276 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



9. Lesquerella praecox Woot. & Standi. Contr. U. S. Nat. Herb. 16: 126. 1913. 

 Type locality: New Mexico. Type collected by Bigelow. 



Range: Central New Mexico. 



New Mexico: Gallinas Mountains; Cabra Springs. Open bills, in the Upper S< mo- 

 ran Zone. . 



From L. fendleri, its nearest relative, this plant is at once distinguished by its 

 lower, densely cespitose habit and its few pedicels which are surpassed by the 

 leaves. The general appearance of the two is very different. 



10. Lesquerella ovalifolia Rydb. in Britt. & Brown, Illustr. Fl. 2: 137./. 1749. 

 1897. 



Type locality: Kimball County, Nebraska. 

 Range: Nebraska to New Mexico. 



New Mexico: Nara Visa; Sandia Mountains; San Mateo Mountains. Plains and 

 open hills, in the Upper Sonoran Zone. 



11. Lesquerella fendleri (A. Gray) S. Wats. Proc. Amer. Acad. 23: 254. 1888. 

 Vesicaria fendleri A. Gray, Mem. Amer. Acad. n. ser. 4: 9. 1849. 



Vesicaria stenophylla A. Gray, Bost. Journ. Nat. Hist. 6: 149. 1850. 



Lesquerella stenophylla Rydb. Colo. Agr. Exp. Sta. Bull. 100: 155. 1906. 



Type locality: On the smaller hills around Santa Fe, New Mexico. Type col- 

 lected by Fendler (no. 40). 



Range: Colorado and Arizona to western Texas. 



New Mexico: Farmington; Nara Visa; Socorro Mountain; Santa Fe; Carrizalillo 

 Mountains; Florida Mountains; Organ Mountains; Roswell; Lake Arthur; Round 

 Mountain; Queen; mountains west of San Antonio. Dry rocky hills, in the Lower 

 and Upper Sonoran zones. 



This is the common perennial silvery-white Lesquerella found in the drier soil 

 of the foothills of the mountains and the higher rocky mesas. It usually blooms 

 early in the spring, but if the season is especially dry it flowers after the rain3 begin. 



12. Lesquerella pinetorum Woot. & Standi. Contr. U. S. Nat. Herb. 16: 126. 

 1913. 



Type locality: On a dry hillside under pine trees at Gilmores Ranch on Eagle 

 Creek, White Mountains, New Mexico. Type collected by Wooton & Standley 

 (no. 3460). 



Range: White Mountains of New Mexico, in the Transition Zone. 



17. CARDAMINE L. 



A herbaceous glabrous perennial 30 to 60 cm. high; leaves simple, broadly ovate- 

 cordate,' sparingly repand-dentate; flowers white, 5 to 8 mm. long; siliques rather 

 stout, ascending, on long pedicels; valves nerveless; seeds in one row. 



1. Cardamine cordifolia A. Gray, Mem. Amer. Acad. n. ser. 4: 8. 1849. 



Type locality: Margin of Santa Fe Creek, in the mountains, New Mexico. Type 

 collected by Fendler (no. 28). 



Range: Wyoming to Arizona and New Mexico. 



New Mexico: Chama; Santa Fe and Las Vegas mountains; White Mountains. 

 Along streams and in marshes, in the Transition and Canadian zones. 



18. DRABA Dill. Whitlow grass. 



Low annuals, biennials, or perennials, with alternate entire or toothed leaves 

 and yellow or white flowers in crowded racemes; sepals short, broad, obtuse; petals 

 obovate or spatulate, entire or somewhat notched; styles short or obsolete; pubes- 

 cence simple or branched; siliques flattened parallel to the septum, flat or twisted; 

 seeds not winged. 



