Parry's Holdback

Larrea parryi (E. M. Fisher) Britton
Hoffmanseggia melanostUla Parryi E. M. Fisher. Contr. U. S. Nat. Herb. 1: 149. 1892. Caesalpinia melanosticia Parryi E. M. Fisher. Bot. Gaz. 18: 123. 1893.
Stems slender, herbaceous, perhaps a little woody at base, 3-4 dm. high, villous. Stipules pinnatifid, 2-3 mm. long; petiole and rachis villous; pinnae 3-5; leaflets 2 or 3 pairs, shortoblong, 5-9 mm. long, pubescent on both sides, black-glandular-dotted beneath; raceme 8-15 cm. long, about 10-flowered; pedicels 3-4 mm. long; calyx about 8 mm. long, pubescent and covered with black sessile glands; petals a little longer than the calyx; ovary stellate-pubescent, with stipitate hairs and sessile glands; legume obliquely oblong, 2.5 cm. long, about 8 mm. wide, 3or 4-seeded, copiously glandular-dotted, appressed-pubescent, its margins bearing slender ciliate processes.
Type locality: Below Canon of San Carlos on the Rio Grande. Distribution: Known only from the type locality, in western Texas.

Larrea melanosticta (vSchauer) Britton
Pomaria melanosticta Schauer, Linnaea 20: 748. 1847.
Hoffmanseggia melanosticta A. Gray, PI. Wright, 1: 54. 1852.
Hoffmanseggia melanosticta Greggii E. M. Fisher, Contr. U. S. Nat. Herb. 1: 149. 1892.
Caesalpinia melanosticta E. M. Fisher. Bot. Gaz. 18: 123. 1893.
Caesalpinia melanosticta Greggii E. M. Fisher. Bot. Gaz. 18: 123. 1893.
A shrub, 4-6 dm. high, much branched, the branches villous, and with sessile black glands. Stipules purplish, pinnatifid, 6-8 mm. long, caducous; pinnae 5 or 7; leaflets 3 or 4 pairs, 4-8 mm. long, orbicular to elliptic, pubescent on both sides, black-glandular-dotted beneath; racemes 1-2 dm. long, pubescent, several-many-flowered; bracts pinnatifid, purplish, caducous; pedicels 2-4 mm. long; calyx 5-6 mm. long, the lobes oblong, obtuse, pubescent and covered with black sessile glands; petals a little longer than the sepals, dark yellow to reddish; legume 2-2.5 cm. long, lunate, acute, the valves black-glandular and with stipitate, reddish stellate hairs.
Type locality: Zimapan. Hidalgo.
Distribution: Southern Texas to Coahuila. Nuevo Le6n. Hidalgo and Quer^taro.