Part 4, 1924] FABACEAE: GALEGEAE 231 



calyx glandular, the tube turbinate, 3-4 mm. long, the teeth lance-deltoid; corolla white, 

 ochroleucous or pinkish; banner orbicular-ovate, 12-13 mm. long, retuse; blades of the wings 

 elliptic, with a rounded basal auricle; blades of the wing-petals semiorbicular; keel acute; pod 

 6-7 cm. long, 7 mm. wide, densely glandular-puberulent, 6-8-seeded, often without seeds 

 below. 



Type locality: Below Totolapan, District of Yauhtepec, Oaxaca. 

 Distribution: Guerrero and Oaxaca. 



4. Coursetia axillaris Coult. & Rose, Bot. Gaz. 16: ISO, 217. 

 1891. 



Shrub or small tree (?); branches cinereous-strigose when young, with ash-colored bark; 

 stipules subulate, 1-2 mm. long; leaves spreading, 1.5-2 cm. long; rachis strigose, terete; leaflets 

 6-10, reticulate, broadly oval or obovate, 3-8 mm. long, 2-5 mm. wide, rounded at each end, 

 glabrous or nearly so above, sparingly strigose beneath; racemes very short, 1-4-flowered, 

 axillary; pedicels 5-8 mm. long; bracts linear-lanceolate; calyx strigose, the tube 2 mm. broad, 

 the lobes 3 mm. long, deltoid-lanceolate, acute; corolla apparently white, about 1 cm. long; 

 petals subequal; banner broadly obovate, retuse; blades of the wings broadly and obliquely 

 oblanceolate, with a rounded basal auricle; blades of the keel-petals nearly semiorbicular, with 

 a small basal auricle; pod 3.5-4 cm. long and 5 mm. broad, torulose, glabrate, 4-8-seeded; seeds 

 brown, shining, orbicular and lenticular. 



Type locality: San Diego, Texas. 

 Distribution: Southern Texas and Taraaulipas. 

 Illustration: Britton, N. Am. Trees/. 516. 



. 5. Coursetia arborea Griseb. Fl. Brit. W. Ind. 183. 1859. 



Humboldlidla ferruginea Harms, Repert. Sp. Nov. 19: 12, in part. 1923. Not Robinia ferrueinca 

 H.B.K. 1825. 



A tree or shrub, 3-12 m. high, branches glabrous or cinereous-puberulent when young, 

 with light-brown bark; stipules subulate, 3 mm. long, erect; leaves 1.5-2 dm. long; rachis 

 puberulent, sulcate above; leaflets 16-30, elliptic or oblong, 2-5 cm. long, 1-2 cm. wide, glabrous 

 above, sparingly strigulose, glabrate beneath, rounded at each end, thin, reticulate; petiolules 

 2 mm. long; racemes 5-10 cm. long, 5-many-flowered, sometimes branched below, the pedicels 

 8-12 mm. long; calyx cinereous-puberulent, the tube turbinate, 4 mm. long, the teeth deltoid, 

 1-1.5 mm. long, acute or obtuse, villous-ciliolate on the margins; corolla whitish, tinged with 

 violet, the petals subequal in length, 16-18 mm. long; banner rounded-obovate; blades of the 

 wings obliquely obovate, with a small basal auricle; blades of the keel-petals broadly lunate, 

 acute, with a small broad acute basal auricle; pod 7-12 cm. long, about 6 mm. broad, not 

 torulose, glabrous or puberulent, acute at each end, 15-20-seeded. 



Type locality: Trinidad. 



Distribution: St. Jean (?) ;* Martinique (native ?) ; Panama; also in Trinidad, Venezuela, and 

 Colombia. 



6. Coursetia polyphylla Branrl. Univ. Calif. Publ. Bot. 4: 376. 

 1813. 



A branched shrub; branches glabrous or slightly strigose when young, the bark straw- 

 colored; stipules subulate, erect, 2 mm. long; leaves 5-6 cm. long, odd-pinnate; rachis sparingly 

 strigose, sulcate above; stipels subulate, 1 mm. long; leaflets 9-13, elliptic, rounded or retuse at 

 the apex, obtuse or acute at the base, 1.5-3 cm. long, 1-1.5 cm. wide, glabrous above, strigose- 

 puberulent beneath, reticulate; racemes axillary, shorter than the leaves, several-flowered; 



' Reported by Grisebach, but doubtful. 



