STANDLEY — TREES AND SHRUBS OF MEXICO. 463 



Dalea psoraleoides Moric. Mem. Soc. Geneve 6: 533. pi. 4- 1833. 



Jalisco to Veracruz and Guerrero; tj^pe from Cuernavaca, Morelos. Guate- 

 mala. 



Shrub, 0.5 to 1.2 meters high, with villous branches; leaflets 5 to 9, oblong- 

 obovate or elliptic, 5 to 10 mm. long, cuspidate, white-sericeous ; spikes dense, 



1 to 4 cm. long, 8 mm. thick ; calyx villous ; banner yellowish, the other petals 

 pink, turning yellowish ; fruit hairy at the summit. 



93. Parosela hemsleyana Rose, Contr. U. S. Nat. Herb. 10: 104. 1906. 

 Dalea ranwsissima Hemsl. Biol. Centr. Amer. Bot. 1: 245. 1880. Not D. 



ramosissima Mart, & Gal. 1843. 



San Luis Potosl. 



Shrub with glabrous branches ; leaflets 9 to 15, oblong, 2 to 3 mm. long, obtuse, 

 glabrous ; spikes subcapitate ; calyx sericeous ; banner ochroleucous, the other 

 petals purple ; fruit densely pubescent. 



94. Parosela trochilina (T. S. Brandeg.) Rose, Contr. U. S. Nat. Herb. 10: 104. 

 1906. 



Dalea trochilina T. S. Brandeg. Proc. Calif. Acad. II. 3: 200. 1892. 



Southern Baja California ; type from La Chuparosa. 



Shrub, 1 to 1.5 meters high, the branches glabrous ; leaflets 7 to 15, obovate, 

 3 to 5 mm. long, glabrous ; spikes dense, 1 to 2 cm. long ; calyx sericeous ; banner 

 ochroleucous, the other petals purple ; fruit pubescent. 



95. Parosela minutifolia Rydb. N. Amer. Fl. 24: 87. 1920. 

 Zacatecas to Oaxaca and Veracruz ; type from Pachuca, Hidalgo. 



Shrub, 50 cm. high, with glabrous branches ; leaflets 7 or 9, 1 to 2 mm. long, 

 glabrous ; spikes 1 to 1.5 cm. long ; calyx densely silky-pilose ; banner ochroleu- 

 cous, the other petals purple ; fruit silky-villous. 



96. Parosela naviculifolia (Hemsl.) Rose, Contr. U. S. Nat. Herb. 10: 104. 

 1906. 



Dalea naviculifolia Hemsl. Diag. PI. Mex. 7. 1878. 



Oaxaca. 



Shrub, 30 to 50 cm. high, Avith puberulent branches ; leaflets 11 to 21, oblong. 



2 to 3 mm. long, obtuse, puberulent above ; spikes dense, 1 to 3 cm. long, 8 mm. 

 thick ; calyx puberulent ; banner white or ocliroleucous, the other petals purple ; 

 fruit puberulent above. 



97. Parosela arg'yrea (A. Gray) Heller, Cat. N. Amer. PI. ed. 2. 5. 1900. 

 Dalea argyrea A. Gray, PI. Wright. 1: 47. 1852. 



Chihuahua and Nuevo Le6n. Texas (type from San Pedro River) and New 

 Mexico. 



Shrub, 0.3 to 1 meter high, with tomentose branches; leaflets 7 to 13, 

 obovate, 5 to 8 mm. long, sericeous ; spikes dense. 1 to 2.5 cm. long ; calyx silky- 

 villous ; banner yellowish, fading purplish, the other petals purple ; fruit silky- 

 villous. 



98. Parosela seemanni (S. Wats.) Rose, Contr. U. S. Nat. Herb. 10: 106. 1906. 

 ? Dalea ehrenbergii Schlecht. Linnaea 12: 290. 1838. 



Dalea seemanni S. Wats. Proc. Amer. Acad. 22: 470. 1887. 



Baja California to Zacatecas, Mexico, and Hidalgo ; type from the Sierra 

 Madre (Durango ?). 



Shrub, 50 cm. high or more, the branches finely pubescent; leaflets 7 to 11, 

 obovate or cuneate-oblong, sericeous ; spikes rather dense, 2 to 5 cm. long ; 

 calyx long-villous ; banner yellowish, the other petals purple. 



99. Parosela tuberculata (Lag.) Rose, Contr. U. S. Nat. Herb. 10: 104. 1906. 

 Dalea tuberculata Lag. Gen. & Sp. Nov. 23. 1816. 



