Part 5, 1929] 



FABACEAE: GALEGEAE 



291 



Pod broadly ovoid, 1.5 cm. long or less. 



Leaflets 9-13, obovate, about 1 cm. long; pod broader 



than high. 

 Leaflets 15-25, oval or elliptic, 5-7 mm. long; pod higher 

 than broad. 

 Leaflets lance-oblong, acute; pod hirsutulous. 



3. MlSSOURIENSES 



Pod obcompressed, the upper suture only prominent; hairs acute at each 



end. 

 Pod compressed, both sutures prominent. 



Corolla nearly 2 cm, long, purple; calyx-lobes nearly half as long as the 



tube. 

 Corolla about 15 mm. long, white or merely purple-tinged, with a purple 

 keel; calyx-lobes about one fourth as long as the tube. 



4. Pygmaei 

 Leaflets 7-11, obovate, obtuse. 



Pod straight, elliptic in outline. 



Pod somewhat arcuate, lance-ovoid in outline. 

 Leaflets 1-5, lanceolate, acute; pod arcuate. 



5. Eriocarpi 



Leaflets elliptic or oblanceolate to obovate; calyx-teeth one fourth to one 

 third as long as the tube. 

 Leaflets 5-7, broadly oblanceolate to obovate, silvery- white; pod densely 

 villous. 

 Leaflets mostly obovate, obtusish; peduncles much shorter than the 



leaves. 

 Leaflets oblanceolate, mostly acute; peduncles about equaling the 

 leaves. 

 Leaflets 9-19, merely canescent, rarely more than 1 cm. long; pubescence 

 of the pod comparatively sparse. 

 Leaflets 3-8 mm. long, elliptic to oval, obtuse. 

 Leaflets S— 15 mm. long, lance-elliptic, acute. 

 Leaflets broadly obovate-cuneate, rounded, truncate or retuse at the apex; 

 calyx-teeth half as long as the tube. 



6. Glareosi 

 Corolla 2-3 cm. long. 



Calyx-teeth nearly half as long as the tube; bracts subulate; pod strongly 

 incurved. 

 Stems usually 1-3 dm. long; pod 2-2.5 cm. long, bent at the middle; 



corolla purplish. 

 Stem less than 1 dm. long; pod about 2 cm. long, abruptly bent 

 above the middle; corolla ochroleucous, the keel tipped with 

 purple. 

 Calyx -teeth less than one third as long as the tube; stems usually less 

 than 1 dm. long. 

 Leaflets obovate, mostly rounded to retuse at the apex. 

 Calyx black -hairy. 



Corolla bluish, 25-30 mm. long; pod 3 cm. long or more. 

 Corolla pink-purple and whitish, 15-18 mm. long; pod about 

 2 cm. long. 

 Calyx white-hairy; corolla rose-purple, white, or ochroleucous. 

 Pod comparatively sparingly hairy; bracts subulate, slightly 

 longer than the pedicels; corolla 2 cm. long, ochroleucous or 

 white. 

 Pod very densely villous; bracts lanceolate, more than twice 

 as long as the pedicels. 

 Leaves densely white-floccose; corolla about 2.5 cm. long, 



rose-purple. 

 Leaves sparingly white-villous; corolla about 2 cm. long, 

 ochroleucous. 

 Leaflets elliptic or lanceolate, acute or obtuse. 



Corolla ochroleucous or white, the keel only tipped with purple. 

 Corolla purple or purple-tinged. 



Peduncles usually not exceeding the leaves. 



Leaflets oblanceolate, acute; pod rather long-acuminate. 

 Leaflets elliptic, obtuse; pod short-acuminate. 

 Calyx white-hairy. 

 Calyx black-hairy. 

 Peduncles in flower usually exceeding the leaves; pod short- 

 acuminate. 

 Calyx-lobes 2 mm. long; pubescence appressed; peduncles 



much exceeding the leaves. 

 Calyx-lobes 3 mm. long ; pubescence loose ; peduncles 

 slightly exceeding the leaves. 



18. X. castaneaeformis. 



19. X. tephrodes. 



20. X. argophyllus. 



21. X. vespertinus. 



22. X. missouriensis. 



23. A", cymboides. 



23. X. cymboides. 



24. X. pygmaeits. 



25. X. mitsiniensis. 



26. A*. Newberryi. 



27. X. medius. 



28. X. marianas. 



29. X. eurekensis. 



30. X. Watsonianus. 



31. X. injlexus. 



32. X. incurvus. 



33. X. funereus. 



34. X. Blyae. 



35. X. nudisiliquus. 



36. X. utahensis 



37. X. subvillosus. 



38. X. Purshii. 



39. A', glareostts. 



40. A", candelarius. 



41. X. ventosus. 



42. X. leucolobus. 



43. X. consectus. 



