Mimosa quadrivalvis var. angustata (Torr. & A. Gray) Barneby

Leptoglottis angustisiliqua Britton & Rose, sp. nov
Glabrous throughout; stem slender, up to 1 m. long or longer, rather distantly prickly. Stipules 2-4 mm. long; petioles and leaf-rachis very slender, prickly; petioles 2.5-3.5 cm. long; pinnae 3-6 pairs; leaflets 7-16 pairs, linear-oblong, 2.5-3.5 mm. long, inconspicuously veined, obtuse or acutish; peduncles loosely prickly, in fruit 3-5 cm. long; legume .subterete, not densely prickly, 6-7 cm. long, only about 2 mm. thick, its slender beak about 7 mm. long.
Pinelands of southern Florida, and in Texas. Type from Brogdon Hammock, Dade County, Florida, June 19, 1915, Small & Mosier 6349.

Leptoglottis chapmanii Small
Schrankia angustata brachycarpa Chapm. Fl. S. U. S. ed. 2, 116. 1883. Not Schrankia brachvcarpa Benth. 1840.
Glabrous; stems slender, 6-10 dm. long, armed with short prickles. Stipules 2-3 mm. long; petioles and leafrachis very slender, prickly; petioles about 3 cm. long or shorter; piimae 3-6 pairs; leaflets 8-12 pairs, linear, obtuse or acutish, 3-4 mm. long, the midvein delicate, otherwise veinless; peduncles prickly, very slender, 2—4 cm. long; legume subterete, densely prickly, 3-6 cm. long, about 4 mm. thick, nearly beakless.
Type locality: Dry pine barrens, Florida. Distribution: Florida to North Carolina and Louisiana.

Leptoglottis microphylla (Dryand.) Britton & Rose
Mimosa Inisia Walt. Fl. Car. 252, 1788. Not L. 1753.
Mimosa microphylla Dryand.; J. E. Smith, Insects Georgia 2: 123. 1797.
Mimosa horridula Michx. Fl. Bor. Am. 2; 254. 1803.
Schrankia nnciitata Willd. Sp. PI. 4: 1043. 1806.
Schrankia am^uslata Torrev & Gray, Fl. N. Am. 1: 400. 1840.
Schrankia Inl.ua Trel.; Branner & Coville. Rep. Ark. Geol. Surv. 1888<: 178. 1891.
Schrankia horridula Chapm. Fl. S. U. S. ed. 2, Suppl. 2, 683. 1892.
Morongia uncinata Britton, Mem. Torrey Club 5: 191. 1894.
Morongia angustata Britton. Mem. Torrey Club 5: 191. 1894.
Leptoglottis Intsia Rydb. Bot. Surv. Neb. 3: 33. 1894.
Schrankia horridula angiilaris Chapm. Fl. ed. 3, 127. 1897.
Moroni;ia horridula Heller. Cat. N. Am. PI. 5. 1898.
MoronKKi luirridiila angularis Heller. Cat. N. Am. 5. 1898.
Moronsia microphylla Britton; Britton & Brown, III. Fl. ed. 2, 2: 334. 1913.
Stems glabrous or puberulent, slender, copiously or sparsely prickly, prostrate or decumbent, 6-12 dm. long. Stipules 3-4 mm. long; petioles and rachis slender, prickly; pinnae 3-8 pairs; leaflets 10-17 pairs, linear-oblong, glabrous, 4-6 mm. long, membranous, inconspicuously veined, acutish or obtuse; peduncles very slender, prickly, 2-7 cm. long; legume subterete, glabrous or puberulent, rather densely prickly, 6-14 cm. long, about 3 mm. thick, its beak 6-10 mm. long.
Type locality: South Carolina.
Distribution: Virginia to Tennessee. Florida. Mississippi and Texas.