California Four O'clock

Hesperonia heimerlii Standley, Contr. U. S. Nat. Herb. 13: 412
1911.
Stems stout, the older ones white, much swollen at the nodes, much branched, the branches ascending or spreading, glabrous below, glandular-puberulent above, the internodes rather long and the plants rather sparsely leafy; petioles stout, 3-15 mm. long; leaf -blades broadly deltoid-ovate to reniform-ovate, 1.5-3.5 cm. long, 1-3 cm. wide, obtuse to acutish at the apex, often apiculate, sub cordate to truncate at the base, thick and fleshy, sparsely glandularpuberulent or scabrous, or in age glabrate, the blades of the upper leaves reduced, usually acute, shqrt-petiolate ; involucres numerous, short-pedunculate in the axils of the leaves or glomerate at the ends of the branches, 5-6 mm. long, densely viscid-puberulent, the lobes shorter than the tube, ovate, obtuse or acutish; perianth 10-12 mm. long, purplish-red, glandular-puberulent outside; stamens equaling the perianth; fruit globose or slightly depressed, 2.5-3 mm. long, dark-brown, obscurely rugulose.
TypB locality; South end of Guadalupe Island, Lower California. Distribution: Guadalupe Island, Lower California.

Hesperonia heimerlii Standley, Contr. U. S. Nat. Herb. 13: 412
1911.
Stems stout, the older ones white, much swollen at the nodes, much branched, the branches ascending or spreading, glabrous below, glandular-puberulent above, the internodes rather
1. H. Heimerlii.
5. H. laevis. long and the plants rather sparsely leafy; petioles stout, 3-15 mm. long; leaf-blades broadly deltoid-ovate to reniform-ovate, 1.5-3.5 cm. long, 1-3 cm. wide, obtuse to acutish at the apex, often apiculate, subcordate to truncate at the base, thick and fleshy, sparsely glandularpuberulent or scabrous, or in age glabrate, the blades of the upper leaves reduced, usually acute, short-p etiolate; involucres numerous, short-pedunculate in the axils of the leaves or glomerate at the ends of the branches, 5-6 mm. long, densely viscid-puberulent, the lobes shorter than the tube, ovate, obtuse or acutish; perianth 10-12 mm. long, purplish-red, glandular-puberulent outside; stamens equaling the perianth; fruit globose or slightly depressed, 2.5-3 mm. long, dark-brown, obscurely rugulose.
Typ# locality: South end of Guadalupe Island, Lower California. Distribution: Guadalupe Island, Lower California.

Hesperonia cedrosensis Standley, Contr. U. S. Nat. Herb
12: 362. 1912.
Mirabilis cedrosensis Jepson, V. Calif. 459. 1914.
Plants erect or ascending, 3-6 dm. high, suffrutescent or fruticose below, much branched, the branches slender, with long or short internodes, white or stramineous, glabrous below, scabrous above and sometimes viscid; petioles stout or slender, 3-13 mm. long, the uppermost blades subsessile; leaf -blades broadly deltoid, rhombic-ovate, or orbicular-ovate, 1.2-3 cm. long, 0.8-2.5 cm. wide, subcordate to rounded at the base, obtuse to acute at the apex, thick and succulent, scabrous with short conic retrorse hairs, or glabrate in age, the veins nearly obsolete, the blades of the upper leaves smaller, narrower, and more acute than those of the lower ones; peduncles few, 2 mm. long or wanting; involucre campanulate, 5-7 mm. long, densely covered with short viscid hairs, the lobes shorter than the tube, ovate or ovatetriangular, obtuse or acutish; perianth 12 mm. long, purplish-red, glabrous or sparsely puberulent; stamens about equaling the perianth; fruit subglobose but evidently longer than thick, 4.5-5 mm. long, smooth, dark-brown, with 10 light-colored vertical lines.
Type locality: Cedros Island, Lower California. t t
Distribution : San Clemente Island, California ; Cedros and San Benito islands and the western

Hesperonia cedrosensis Standley, Contr. U. S. Nat. Herb
12: 362. 1912.
Mirabilis cedrosensis Jepson, Fl. Calif. 459. 1914.
Plants erect or ascending, 3-6 dm. high, suffrutescent or fruticose below, much branched, the branches slender, with long or short internodes, white or stramineous, glabrous below, scabrous above and sometimes viscid; petioles stout or slender, 3-13 mm. long, the uppermost blades subsessile; leaf -blades broadly deltoid, rhombic-ovate, or orbicular-ovate, 1.2-3 cm. long, 0.8-2.5 cm. wide, subcordate to rounded at the base, obtuse to acute at the apex, thick and succulent, scabrous with short conic retrorse hairs, or glabrate in age, the veins nearly obsolete, the blades of the upper leaves smaller, narrower, and more acute than those of the lower ones; peduncles few, 2 mm. long or wanting; involucre campanulate, 5-7 mm. long, densely covered with short viscid hairs, the lobes shorter than the tube, ovate or ovatetriangular, obtuse or acutish; perianth 12 mm. long, purplish-red, glabrous or sparsely puberulent; stamens about equaling the perianth; fruit subglobose but evidently longer than thick, 4,5-5 mm. long, smooth, dark-brown, with 10 light-colored vertical lines.
Type locality: Cedros Island, Lower California.
Distribution: San Clemente Island, California; Cedros and San Benito islands and the western

Hesperonia californica (A. Gray) Standley, Contr. U. S. Nat
Herb. 12: 364. 1909.
Oxybaphus glabrifolius crassifolius Choisy, in DC. Prodr. 13 2 : 431. 1849.
Oxybaphus glabrifolius Torr. Pacif. R. R. Rep. 4: 131. 1857. Not O. glabrifolius Vahl, 1806.
Mirabilis californica A. Gray, in Torr. Bot. Mex. Bound. Surv. 173. 1859.
Oxybaphus calif ornicus Benth. & Hook. Gen. PI. 3: 4. 1880.
Hesperonia californica microphylla Standley, Contr. U. S. Nat. Herb. 12: 365. 1909.
Plants erect or decumbent, suffrutescent or fruticose below, much branched, the branches 2-10 dm. long, slender or stout, whitish, with short or elongate internodes, glabrous below, puberulent and viscid above and often villous but usually only sparsely so; petioles slender or stout, 12 mm. long or shorter, the uppermost blades often subsessile; blades of the lower leaves subreniform to rounded-ovate or deltoid-ovate, 1.5-4.5 cm. long, 1-3.5 cm. wide, cordate to truncate at the base, narrowed to the obtuse or acute apex, the blades of the upper leaves smaller, narrower, mostly acute or attenuate, all the blades green, thick and succulent, shortvillous or puberulent and viscid when young, glabrate in age; peduncles numerous, often crowded at the ends of the branches, 3 mm. long or shorter; involucre campanulate, 5-8 mm. long, densely shortvillous and viscid, the lobes shorter than the tube, ovate or ovate-oblong, obtuse or acutish; perianth 10-14 mm. long, purplish-red, sparsely shortvillous outside; stamens equaling or slightly exceeding the perianth; fruit broadly oval in outline, 5 mm. long, smooth, dark-brown.
Type locality: Southern California.
Distribution : California, from the Santa Lucia Mountains to San Diego County, chiefly near the coast, and on the adjacent islands; northern Lower California.

Hesperonia californica (A. Gray) Standley, Contr. U. S. Nat
Herb. 12: 364. 1909.
Oxybaphus glabrifolius crassifolius Choisy, in DC. Prodr. 13 2 : 431. 1849.
Oxybaphus glabrifolius Torr. Pacif. R. R. Rep. 4: 131. 1857. Not O. glabrifolius Vahl, 1806.
Mirabilis californica A. Gray, in Torr. Bot. Mex. Bound. Surv. 173. 1859.
Oxybaphus californicus Benth. & Hook. Gen. PL 3: 4. 1880.
Hesperonia californica microphylla Standley, Contr. U. S. Nat. Herb. 12: 365. 1909.
Plants erect or decumbent, suffrutescent or fruticose below, much branched, the branches 2-10 dm. long, slender or stout, whitish, with short or elongate internodes, glabrous below, puberulent and viscid above and often villous but usually only sparsely so; petioles slender or stout, 12 mm. long or shorter, the uppermost blades often subsessile; Dlades of the lower leaves subrerjiform to rounded-ovate or deltoid-ovate, 1.5-4.5 cm. long, 1—3.5 cm. wide, cordate to truncate at the base, narrowed to the obtuse or acute apex, the blades of the upper leaves smaller, narrower, mostly acute or attenuate, all the blades green, thick and succulent, shortvillous or puberulent and viscid when young, glabrate in age; peduncles numerous, often crowded at the ends of the branches, 3 mm. long or shorter; involucre campanulate, 5-8 mm. long, densely shortvillous and viscid, the lobes shorter than the tube, ovate or ovate-oblong, obtuse or acutish; perianth 10-14 mm. long, purplish-red, sparsely shortvillous outside; stamens equaling or slightly exceeding the perianth; fruit broadly oval in outline, 5 mm. long, smooth, dark-brown.
Typb locality: Southern California.
Distribution : California, from the Santa Lucia Mountains to San Diego County, chiefly near the coast, and on the adjacent islands ; northern Lower California.