Part 4, 1924] FABACEAE: GALEGEAE 211 



oval, mucronate, rounded at each end, 8-15 mm. long, glabrous or sparingly strigose on the 

 veins; rachis slightly pubescent, usually with more or less numerous bristles which develop 

 into slender prickles; racemes 3-5 cm. long, 3-5-flowered; bracts linear; bractlets oblanceolate, 

 acute; calyx glabrous, 6-7 mm. long; lobes 3-3.5 mm. long, the upper two rounded-ovate, the 

 lateral ones triangular, acute, the lowest one lanceolate, slightly longer; corolla yellow, 12 mm. 

 long; pod 3-9 cm. long, 2 cm. broad, glabrous or nearly so; stipe fully 1 cm. long; seeds light- 

 brown, 6-7 mm. long, 4 mm. broad. 



Type locality: Zimapan, Hidalgo. 



Distribution: Veracruz to San Luis Potosi, Jalisco, and Oaxaca. 



3. Diphysa punctata Rydberg, sp. nov. 



Apparently a small tree; branches finely strigose; stipules subulate, falcate, 5-7 mm. 

 long; leaves 7-12 cm. long; rachis strigose-puberulent; leaflets 15-25, oval, rounded at each 

 end or retuse at the apex, mucronate, 12-20 mm. long, softly puberulent on both sides; racemes 

 4-6 cm. long; bracts, bractlets, and flowers unknown; pod 7-11 cm. long, fully 2 cm.broad, 

 sparingly dotted, each dot with a short stiff hair with a pustulate colored base; stipe fully 

 1 cm. long. 



Type collected near Cuernavaca. Morelos, September 9, 1903, Rose 6* Painter 6900 (U. S. Nat. 

 Herb. no. 450466). 



4. Diphysa floribunda Peyr. Linnaea 30: 78. 1859. 



A shrub or small tree; branches glabrous, or slightly puberulent when young; stipules 

 lanceolate, 2-3 mm. long, caducous; leaves 5-10 cm. long; rachis puberulent; leaflets 7-13, 

 alternate or subopposite, 1-2 cm. long, sparingly puberulent or glabrate, rounded at each end ; 

 petiolule about 1 mm. long; racemes 3-5 cm. long; bracts and bractlets linear, caducous; 

 pedicels 6-8 mm. long; calyx glabrous, the tube (including the hypanthium) 6 mm. long, the 

 lobes 2-3 mm. long; uppermost two lobes broadly ovate, rounded at the apex, the lateral ones 

 ovate, acute, the lowest one lanceolate, acute; corolla yellow, 12-15 mm. long, similar to 

 that of D. robinioides; ovary puberulent; pod glabrate, 4-6 cm. long, 15-18 mm. wide, re- 

 ticulate; stipe about 1 cm. long; seeds light-brown. 



Type locality: Mirador, Veracruz. 

 Distribution: Veracruz and Puebla to Guatemala. 



5. Diphysa robinioides Benth.; Benth. & Oerst. Vidensk. 

 Meddel. 1853: 11. 1S53. 



Diphysa carthaginensis Benth. & Oerst. Vidensk. Meddel. 1853: 13, in part. 1853. Not D. car- 

 ihaginensis Jacq. 1760. 



A tree, 4-6 m. high; branches glabrous, often purplish when young; stipules linear, 2-3 

 mm. long, caducous; leaves 7-15 cm. long; rachis glabrous; leaflets 9-15, oval or obovate, 

 glabrous on both sides, paler beneath, short-petioluled, 1.5-3.5 cm. long, rounded or retuse at 

 the apex, often subalternate ; racemes 4-7 cm. long, 3-6-flowered; peduncle and pedicels gla- 

 brous; pedicels 4-6 mm., in fruit 15-20 mm. long; calyx glabrous, the tube (including the 

 hypanthium) 6-7 mm. long, the lobes 2 mm. long; upper two lobes broadly ovate, rounded at 

 the apex, the lateral ones deltoid-ovate, acute or obtuse, the lowest one lanceolate, acuminate, 

 slightly longer; banner 18-20 mm. long; keel-petals 15 mm. long, the basal auricles prominent; 

 pod 6-1 1 cm. long, 18-20 mm. broad, glabrous, distinctly venose-reticulate, the stipe 5-S mm. 

 long; seeds light-brown, 6 mm. long, 3 mm. wide. 



Type locality: At the base of the volcano Mombacho, near Granada, Nicaragua. 

 Distribution: Guatemala and Oaxaca to Panama. 

 Illustration: Am. Jour. Bot. 11: pi. 33 M. 



