Part 2, 1920] FABACEAE: PSORALEAE 81 



lobes ovate, the upper about half as long as the tube, the lowest a little longer than the rest; 

 corolla purple; blade of the banner rhombic-ovate, 2.5 mm. long, the claw 3 mm.; blades of 

 the other petals obliquely 2.5 mm. long, the claws 1 mm. long; pod pubescent above. 



Type locality: Juquila, Oaxaca. 



Distribution: Veracruz and Mexico to Oaxaca and Guatemala. 



72. Parosela roseola Rydberg, sp. nov. 



An annual, somewhat woody at the base; stem gray or purplish, 2-5 dm. high, glabrous, 

 terete; leaves 2-3 cm. long, spreading; stipules subulate, 1 mm. long; rachis distinctly winged, 

 glabrous; stipels gland-like, conspicuous; leaflets 21-27, oblong, 1.5-3 mm. long, glabrous on 

 both sides, glandular-dotted along the margins beneath; peduncles opposite the leaves, 2-4 cm. 

 long; spikes dense, short, 1-2 cm. long; bracts rounded, obovate or subreniform, abruptly 

 short-acuminate, almost mucronate, glabrous and with a few glands on the back, shorter than 

 the calyx; calyx-tube 10- ribbed, 2 mm. long, densely sericeous; lobes triangular, 1 mm. long; 

 corolla dark-rose; blade of the banner rhombic-cordate, 1.5 mm. long, the claw 1 mm. long; 

 blades of the other" petals 2.5-3 mm. long; pod pubescent. 



Type collected on Yolcan Jumaytepeque, Santa Rosa, Guatemala, November 1892, Heyde & 

 Lux (Donnell Smith dist. no.) 4166 (herb. Columbia Univ.). 



73. Parosela citrina Rydberg, sp. nov. 



A tall annual; stems 3-8 dm. high, often tinged with purple, glabrous sparingly glandular- 

 dotted; leaves 3-8 cm. long; stipules subulate, 2 mm. long; rachis glabrous; leaflets 21-33, 

 oblong, 3-10 mm. long, glabrous on both sides, rounded at the apex, slightly crenulate, glandu- 

 lar-dotted beneath; peduncles opposite the leaves, 3-5 cm. long; spikes dense, 1-2 cm. long; 

 bracts broadly obovate, short-acuminate, glabrous, with several scattered large glands; corolla 

 bluish-purple; petals often with a gland at the apex; blade of the banner rhombic-cordate, 

 2 mm. long, the claw 2 mm. long; blades of the other petals 5mm. long, those of the keel much 

 broader, with a smaller lobe, the claws 1.5 mm. long; pod densely pubescent above, glabrous 

 below. 



Type collected in fields about Tuxpan, Jalisco, October 27, 1904, Pringle SS60 (herb. N. Y. 

 Bot. Gard.). 



74. Parosela vernicia Rose, Contr. U. S. Nat. Herb. 8: 303. 1905. 



Dalea vernicia Greenman, Field Mus. Publ. Bot. 2: 331. 1912. 



A slender annual; stem 3-9 dm. high, glabrous; leaves 3-6 cm. long, glabrous; stipules 

 setaceous, 2-3 mm. long; petiole very short; rachis with conspicuous glands at the base of the 

 leaflets and smaller ones between; leaflets 17-41, oblong, obtuse or acutish at the apex, 5-7 mm. 

 long, glabrous on both sides, glandular-dotted beneath, conspicuously so along the margins; 

 peduncles 5-8 cm. long; spikes dense, 1-3 cm. long; rachis short-pubescent; bracts ovate, 

 acuminate, membranous, with purple-tinged tips, caducous; pedicels very short, divaricate; 

 calyx-tube turbinate, 10-ribbed, silky, 2.5 mm. long; lobes silky, equaling the tube, triangular- 

 lanceolate at the base, with slender subulate tips; corolla dark bluish-purple; blade of the banner 

 cordate, 3 mm. long, the claw about 2.5 mm. long; blades of the wings nearly 4 mm. long, 

 obliquely elliptic, the claws 1 mm. long; blades of the keel-petals obliquely obovate, 4 mm. 

 long; pod obliquely obovate, shorter than the calyx, sparingly pubescent, with a straight beak. 



Type locality: Yautepec, Morelos. 

 Distribution: Jalisco to Puebla and Guerrero. 



XVII. Unciferae. Annual or perennial herbs, glabrous or slightly pubescent. Leaflets 

 several, oblong to oval or obovate. Spikes elongate, acute, rather dense ; bracts membranous, 

 scarious-margined, veiny, enclosing the flowers, abruptly cordate-acuminate. Calyx-tube 

 campanulate, with 10 dark veins; lobes broader than long. Corolla mostly bluish-purple, 

 with an ochroleucous banner, the blade of the latter cordate. Wings and keel-petals inserted 

 slightly above the middle of the staminal tube, the blades obliquely obovate, with a large 

 rounded basal lobe. Pod glabrous or somewhat pubescent at the apex. 



