44 NORTH AMERICAN FLORA [Volume 24 



8 mm. long; blade of the banner obcordate, those of the other petals obliquely obovate, 

 rounded at the apex, with a rounded basal lobe; fruit obliquely ovate, sparingly strigose, 

 densely glandular-dotted, the body 8 mm. long, 5 mm. wide, the beak 8 mm. long. 



Type locality: San Bernardino Mountains, California. 



Distribution: Southern California. 



Illustrations: Bot. Gaz. 55: 310. /. -I; Armstrong, Field Book W. Wild Fl. 249. 



7. Psorodendron Saundersii (Parish) Rydberg. 



Dalea Saundersii Parish, Bull. So. Calif. Acad. 2: 83. 1903. 

 Parosela Wheeleri A. Heller, Muhlenbergia 2: 216. in part. 1906. 

 Parosela Saundersii Abrams. Bull. N. Y. Bot. Garden 6: 396. 1910. 

 Parosela Johnsoni Saundersii Parish, Bot. Gaz. 55: 308. 1913. 



A shrub, 5-10 dm. high; branches sparingly short-hirsute when young, soon glabrous and 

 straw-colored; glands few, and subulate in the inflorescence; leaves 4—6 cm. long, green, spar- 

 ingly hirsute; leaflets 5-7, lanceolate or oblanceolate, acute, 5-15 mm. long, slightly revolute 

 on the margins; racemes 5-10 cm. long; bracts subulate, 2-3 mm. long; pedicels 2-4 mm. long; 

 bractlets subulate, 1 mm. long; calyx soon glabrate; tube turbinate, 3.5-4 mm. long; lobes 2 

 mm. long, ciliate on the margins, the upper two ovate, acute, the rest narrowly lanceolate; 

 corolla dark purplish-blue; petals subequal, the blades 5 mm. long, the claws about 2 mm. 

 long; blade of the banner rounded-reniform, retuse, those of the other petals obliquely obovate, 

 with a large rounded basal lobe; pod obliquely ovate-lunate, glabrate, conspicuously glandular- 

 dotted, the body 12 mm. long, 6 mm. wide, the beak S mm. long. 



Type locality: Victorville. Mojave Desert, California. 

 Distribution: Southern California. 

 Illustration: Bull. So. Calif. Acad. 2: pi. 2. 



8. Psorodendron amoenum (S. Wats.) Rydberg. 



Dalea amoena S. Wats. Am. Nat. 7: 300. 1873. 



Parosela amoena Vail, Bull. Torrey Club 24: 17. 1897. 



? Parosela Johnsoni minutifolia Parish, Bot. Gaz. 55: 308. 1913. 



A low subspinescent shrub; branches short, strigose when young, glabrous and straw- 

 colored in age, sparingly glandular; glands in the inflorescence subulate; leaves 2-3 cm. long, 

 strigose-hoary; leaflets 5-13, linear, 4-8 mm. long, often rounded or subtruncate at the apex, 

 1-2 mm. broad; racemes 2-3 cm. long, 6-12-flowered; bracts and bractlets subulate, the latter 

 minute; pedicels about 1 mm. long; calyx hoary; tube narrowly turbinate, 4 mm. long, 10- 

 ribbed; lobes all narrowly lanceolate, about equaling the tube; corolla dark bluish-purple; 

 petals subequal, the blades 5-6 mm. long; blade of the banner broadly oval, retuse, those of 

 the other petals obliquely oval, with a rounded basal lobe. 



Type locality: Northern Arizona. 



Distribution: Southern Utah and Nevada and northwestern Arizona. 



9. Psorodendron pubescens (Parish) Rydberg, sp. nov. 



Parosela Johnsoni pubescens Parish, Bot. Gaz. 55: 308. 1913. 



A shrub, 1 m. high or more; branches sparingly hairy when young, soon glabrous; leaves 

 3-5 cm. long, green, very sparingly hairy, conspicuously glandular-dotted; leaflets 7-9, linear, 

 10-15 mm. long, 1-2 mm. wide; racemes 4-5 cm. long; bracts and bractlets subulate; pedicels 

 1-2 mm. long; calyx sparingly hirsute; tube turbinate, 4 mm. long; lobes all lance-subulate, 

 about equaling the tube; corolla purple; petals subequal, the blades about 5 mm. long, the claws 

 2 mm. long; blade of the banner suborbicular, deeply retuse, those of the other petals obliquely 

 obovate, with a rounded basal lobe; pod obliquely ovate, .rather densely hoary- pubescent and 

 conspicuously glandular-dotted, the body nearly 1 cm. long, the beak somewhat shorter. 



Type locality: Lee's Ferry, Arizona. 

 Distribution: Known only from the type locality. 



10. Psorodendron Schottii (Torr.) Rydberg. 



Dalea Schotlii Torr. Bot. Mex. Bound. Surv. 53. 1859. 

 Parosela Schotlii A. Heller, Cat. N. Am. PI. ed. 2. 6. 1900. 



