17 
§ 2. Lesquerella proper. Canescent throughout with fine appressed 
and often compact stellate pubescence or lepidote; leaves 
nőt auriculate-clasping : filaments filiform or linear subu- 
late : seeds immarginate. 
* Ovary and pod finely pubescent, sessile or very nearly so. 
Pods ovate to oblong or oblong-ovate : biennials or 
perennials with simple stems. 
X Pods ovate to oblong-ovate, aeute or acutish, 
somewhat compressed (the valves less convex 
toward the apex) erect on spreading or ascending 
pedicels : pubescence compact and rarely distinetly 
stellate. Western species. 
6. occidentalis 
7. Kingii 
8. alp ina 
9. arizonica 
X X Pods oblong or oblong-ovate, nőt compressed or 
slightly so, erect on usually divaricate curved 
pedicels. Rocky Mountains. 
10. montana 
11. montevidensis 
XXX Pods elliptical somewhat obcompressed, 
aeute or obtuse, erect on spreading pedicels, 
pubescence compactly lepidote. Arizona and 
Mexico. (Abnormal species.) 
12. (?) Ward.ii 
13. (?) cinerea 
14. (?) argerdea 
-) — f- Pods globose or nearly so and obtuse (acutish in 
No. 15). 
a) Annual or sometimes biennial (Southern). 
15. globosa 
16. Berlandieri 
17. Pál meri 
b) Biennial or sometimes perennial. (Northern). 
18. Ludoviciana 
19. Douglasii 
** Ovary and pod glabrous (or pubescent in No. 27 and 31) 
nőt at all compressed. 
+ Pods oblong or pyriform, substipitate on long ascen- 
ding pedicels. Arkansas-Annuals. 
20. répán da 
21. Nuttalii 
-f- Pods globose. Southwestern, except. No. 31. 
X Pods pendent on recurved pedicels, sessile or scar- 
cely stipitate. 
