Part 6, 1929] 



FABACEAE: GALEGEAE 



331 



Corolla 12-15 mm. long; body of the pod 2.5—4 cm. long. 



Leaflets glabrous above, rather green, thin; body of the pod 2.5-3 



cm. long, the stipe 1-1.5 cm. long. 

 Leaflets silvery-silky on both sides; body of the pod 3^i cm, long. 

 Corolla 9-10 mm. long; body of the pod 1.5-2.5 cm. long; leaflets 

 glabrous above. 

 Pod with both sutures convex. 

 Pod with the upper suture straight. 

 Stipe of the pod short, not exceeding the calyx-lobes. 



Corolla 12-15 mm. long; pod 3-5 cm. long, obliquely ovate in outline, 

 obtuse at the base. 

 Body of the fruit 2.5-3 cm. long, usually more or less pubescent when 



young; calyx -lobes subulate. 

 Body of the fruit 4 — 4.5 cm. long, glabrous; calyx-lobes deltoid. 

 Corolla about 10 cm. long; pod 2-2.5 cm. long, obliquely lanceolate in out- 

 line, tapering at each end. 



4. Cusickianab 

 One species. 



5. Megacarpae 



Pod strigose; calyx distinctly black-hairy; corolla about 1 cm. long. 

 Pod glabrous; calyx glabrous or nearly so. corolla 1.5-2 cm. long. 



Stem more or less elongate. 1-3 dm. high ; stipe of the pod about as long as 

 the calyx-tube; corolla 15-18 mm. long. 

 Pod ellipsoid, 4—5 cm. long, equally gibbous on both sutures. 

 Leaflets elliptic; corolla ochroleucous. 

 Leaflets broadly oval, often refuse; corolla purple. 

 Pod obliquely ovoid, 2.5-3 cm. long, more gibbous on the lower suture; 

 leaflets obcordate or obovate; flowers ochroleucous. 

 Stem very short, less than 1 dm. long; stipe much shorter than the calyx- 

 tube; corolla 18-20 mm. long. 



6. HOOKERIANAE 



Pod pubescent; leaves hirsute-strigose. 

 Pod glabrous. 



Leaves strigose. 



Leaflets obovate or oval, silvery; corolla purplish, 15 mm. long. 

 Leaflets oblong, merely canescent; corolla yellowish, 10-12 mm. long. 

 Calyx scarcely dark -hairy, except the lanceolate teeth; leaflets 



broadly oblong; pod 3-3.5 cm. long. 

 Calyx dark-hairy, its teeth subulate; leaflets linear-oblong or linear; 

 pod 2-2.5 cm. long. 

 Leaves canescent. 

 Leaves strigose, not canescent. 

 Leaves villous. 



7. PlCTAE 



Terminal leaflet represented by the prolonged rachis; lateral leaflets also some- 

 times lacking. 

 Terminal and lateral leaflets present; rachis not produced. 



8. NuTANTES 



One species. 



9. OOCARPAE 



Leaflets glabrous or nearly so, at least above. 



Pod glabrous, ovoid, broadest near the base, rather firm, ascending, 2-2.5 



cm. long. 

 Pod pubescent, oval- or lance-ellipsoid, broadest at the middle, membran- 

 ous, spreading, 4—5 cm. long. 

 Upper suture of the pod as well as the lower gibbous; leaflets oblong 

 or broadly elliptic. 

 Racemes longer than the leaves; calyx-teeth broadly deltoid; pod 



3.5-4 cm. long. 

 Racemes scarcely exceeding the leaves; calyx-teeth lance-deltoid; 

 pod 4—5 cm. long, papery. 

 Upper suture of the pod straight or nearly so ; leaflets narrowly oblong. 

 Leaflets decidedly strigose on both sides; pod pubescent. 



Pod 4 cm. long or less, not very thin, more than half as broad as long; 



peduncles spreading and arcuate. 

 Pod 5-6 cm. long, thin, papery, half as broad as long; peduncles ascend- 

 ing, strict. 



10. DOUGLASIANAE 



Corolla yellowish. 



Leaflets elliptic to oblong-linear, obtuse. 



Calyx densely white-strigose; pod 3-4 cm. long. 

 Calyx sparingly black-hairy; pod 5-6 cm. long. 

 Leaflets lance-linear, acuminate. 

 Corolla purple-tinged. 

 22 



6. P. Encenadae. 

 4. P. asymmetric a. 



7. P. trichopoda. 



8. P. capillipcs. 



9. P. curtipes. 



10. P. potosina. 



11. P. fastidia. 



12. P. Cusickii. 



13. P. Wether ill i. 



14. P. oophora. 



15. P. jucunda. 



16. P. arlipes. 



17. P. megacarpa. 



18. P. Hookeriana. 



19. P. argentata. 



20. P. siskiyouensis. 



21. P. Whitney i. 



22. P. pinosa. 



23. P. lenophylla. 



24. P. long: 'folia. 



25. P. picla. 



26. P. nutans. 



27. P. oocarpa. 



28. P. pseudoocarpa 



29. P. vallicola. 



30. P. lopoensis. 



31. P. Pan'shii. 



32. P. perstricla. 



33. P. Douglasii. 



34. P. megalophysa. 



35. P. glaberrima. 



