Mimosa quadrivalvis var. distachya (DC.) Barneby

Leptoglottis distachya (Moc. & Sesse) Britton & Rose
Schrankia distachya Moc. & Sess^; DC. Prodr. 2: 443. 1825.
Stem stout, pilose, densely prickly. Stipules about 5 mm. long; pinnae 4 or 5 pairs; petioles and rachis prickly; petioles 4-8 cm. long; leaflets 10-16 pairs, oblong, 6-7 mm. long, obtuse, mucronulate, appressed-pubescent on both sides, delicately pirmately veined; peduncles prickly, 1.5-2 cm. long in fruit; legume subquadrangular, strongly angled, densely prickly, pilose on the angles, about 8 cm. long, 4-5 mm. thick.
Type locality: Mexico. Distribution: Guerrero; Jalisco.

Leptoglottis palmeri Britton & Rose, sp. nov
Stem rather stout, glabrous, copiously prickly. Leaves up to 10 cm. long or longer, glabrous, the petiole and rachis prickly; petioles up to 4 cm. long or longer; pinnae 3-5 pairs. slender-stalked; leaflets 10-25 pairs, linear, acute or mucronate, 4-6 mm. long, delicately pinnately veined; peduncles prickly, about 1 cm. long (or longer) ; heads many-flowered ; legumes linear, subterete, rather densely short-prickly, pubescent, pointed but scarcely beaked, 6-7 cm. long, 3.5 mm. thick.
Guadalajara, Jalisco. Type collected July to October, 1886, Palmer 267.