Part 7, 1929) 



FABACEAE: GALEGEAE 



441 



Corolla about 2 cm. long. 

 Corolla 3-3.5 cm. long. 

 Corolla purple; stems very short; pod 6-7 mm. broad. 

 Pod pubescent. 



Pubescence of the pod spreading, loose. 



Corolla 3 cm. long, crimson, rarely white; banner straight. 



Plant velutinous; pod ovoid-ellipsoid, 2.5-3 cm. long, 1.5-2 cm. 



broad. 

 Plant strigulose; pod broadly ellipsoid, 3-4 cm. long, 2-2.5 cm. 

 broad. 

 Corolla 2 cm. long or less, bluish-purple to yellowish; banner more cr 

 less arched. 

 Pod short-pubescent. 



Pubescence of the leaves silky with long straight hairs. 



Pod broadly ovoid, 8-9 mm. broad, more than half as broad 



as long; leaflets oblong or lance-elliptic, rarely oval. 

 Pod ellipsoid, 5-6 mm. broad, not more than half as broad as 

 long, arcuate. 

 Leaflets obtuse or rounded at the apex; corolla about 



1 .5 cm. long. 

 Leaflets acute at the apex; corolla about 2 cm. long. 

 Pubescence of the leaves of rather short densely tangled hairs. 

 Pod long-pubescent. 



Pod distinctly arcuate, 12-20 mm. long; corolla fully 2 cm. long. 

 Calyx-lobes more than one third as long as the tube; leaflets 



yellowish- or brownish-hairy, 1-2 cm. long. 

 Calyx-lobes less than one third as long as the tube; leaflets 

 white-pubesc.nt, usually less than 1 cm. long. 

 Pod straight or nearly so on the upper suture. 



Leaves white-pubescent with appressed hairs; pod about 



2 cm. long, obliquely ovate, gradually tapering at the 



apex. 



Leaves brownish-pubescent with loose hairs; pod less than 



1 cm. long, elliptic-ovoid, abruptly contracted at the 



apex. 



Raceme short and dense; corolla 18-20 mm. long; 



leaflets suborbicular. 

 Raceme more elongate and laxer; corolla about 12 mm. 

 long; leaflets oval. 

 Pubescence of the rounded -ellipsoid mucronate pod appressed; corolla 

 1.5 cm. long, apparently white. 



2. Uuginosi 



Pod glabrous, scarcely sulcate; calyx-teeth all subulate, the upper two 

 scarcely broader than the lower three. 

 Bracts linear-lanceolate or subulate, long-attenuate, the lower almost as 

 long as the calyx-tube. 

 Calyx-teeth about three fourths as long as the tube; stem terete, 



scarcely striate; leaflets sparingly strigulose beneath. 

 Calyx-teeth half as long as the tube or less. 



Pod ascending at maturity; calyx-teeth about half as long as the 



tube. 

 Pod spreading or reflexed at maturity ; calyx-teeth about one third as 

 long as the tube. 

 Bracts ovate or lanceolate, scarcely half as long as the calyx-tube. 

 Pod pubescent, distinctly sulcate on the lower suture; upper two calyx-teeth 

 deltoid or lance-deltoid, much broader than the lower three. 

 Leaflets oblong to oval, green. 



Calyx and bracts more or less black-hairy; body of the fruit 15-20 



mm. long, the beak nearly straight, 7-10 mm. long. 

 Calyx and bracts white-hairy; body of the fruit 10-15 mm. long, the 

 the beak curved downward. 

 Leaves glabrous or glabrate above. 



Leaves equally strigose on both sides, at least when young. 

 Leaflets broadly obovate or obcordate, canescent. 



1. .4. giganteus. 



2. .4. Hartmanii. 



3. A. ?noltissimus. 



4. .4. orthantlms. 



5. .4. sangitineus. 



6. .4. Humboldtii. 



7. .4. Earlei. 



8. .4. irolanus. 



9. A. pervelntinu 



10. .4. Bigelovii, 



11. ,4. Thompsonae. 



12. .4. Matthewsii. 



13. .4. mogollonicus. 



14. -4. marcidas. 



15. .4. anisus. 



16. A. caroliniamis. 



17. .4. canadensis. 



18. .4. Halei. 



19. .4. oreophilas. 



20. .4. Mortoni. 



21. .4. pachystachys. 



22. ,4. Torreyi. 



23. A. oreganns. 



3. Hypoglottikks 



Pod with appressed gray or black hairs; leaflets acute or obtuse. 



Corolla purple or pink, rarely white; calyx-lobes much shorter than the 



tube. 

 Corolla ochroleucous, only the keel tipped with purple. 



Calyx strigose, the teeth three fourths to fully as long as the tube. 

 Leaflets silvery -silky on both sides; pod white-hairy. 

 Leaflets glabrate above; pod more or less black-hairy. 

 Calyx short-villous, the teeth one third as long as the tube. 

 Pod villous with long spreading hairs; leaflets often retuse. 

 Corolla ochroleucous; bracts broadly spatulate to linear. 



25. A. Chandonnetii. 



26. A. sulphurescens. 



27. .4. brevidens. 



28. A. virguUulus. 



