502 CONTEIBUTIONS FROM THE NATIONAL HERBARIUM. 



Eeythrina pkinceps Dietr. in Otto & Dietr. Allg. Gartenz. 2: 305. 1834. 

 Described from Mexico. Not identifiable from the description. 



Ekythbina rosea Dietr. in Otto & Dietr. Allg. Gartenz. 2: 253. 1834. De- 

 scribed from Mexico. Identity doubtful. 



43. GALACTIA Adans. Fam. PI. 2: 322. 1763. 

 Scandent or erect lierbs or shrubs; leaves pinnately 3 or 5-foliolate, the 

 leaflets large or small ; flowers small or large, usually racemose ; fruit linear, 

 bivalvate. 



Leaflets 4 to 9 cm. wide. Plants scandent 1. G. viridiflora. 



Leaflets less than 3.5 cm. wide. 



Flowers in axillary clusters 2. G. brachystachya. 



Flowers racemose. 

 Racemes stout, dense, sessile, mostly shorter than the leaves. 



3. G. multiflora. 

 Racemes slender, interrupted, pedunculate, mostly longer than the leaves. 



Plants erect; leaflets acute or acuminate 4. G. incana. 



Plants scandent or trailing; leaflets often obtuse. 



Leaflets glabrous on the upper surface 5. G. acapulcensis. 



Leaflets variously pubescent on the upper surface. 

 Leaflets bright green on the upi^er surface, not closely sericeous on 



either surface 6. G. striata. 



Leaflets grayish, closely sericeous on both surfaces. 

 Leaflets white beneath with a soft silky pubescence, oval or ovate. 



7. G. argentea. 



Leaflets grayish beneath with rather stiff pubescence, usually 



oblong 8. G. wrightii. 



1. Galactia viridiflora (Rose) Standi. 



Odonia viridiflora Rose, Contr. U. S. Nat. Herb. 10: 103. pi. 33. 1906. 

 Guerrero to Morelos ; type from Iguala, Guerrero. 



Scandent shrub ; leaflets about as broad as long, pubescent ; flowers greenish 

 white, 1.2 cm. long, in very long racemes. 



2. Galactia brachystachya Benth. Ann. Wien. Mus. Naturg. 2: 127. 1838. 

 Coahuila to Guerrero and Oaxaca ; type from Zimapan, Hidalgo. 



Slender scandent shrub ; leaflets oblong or oval, 1 to 4 cm. long ; flowers 

 purplish, 1 cm. long ; fruit about 2 cm. long and 6 mm. wide. 



3. Galactia multiflora Robinson, Proc. Amer. Acad. 29: 315. 1894. 

 Jalisco- to Oaxaca ; type from Tequila, Jalisco. 



Erect or scandent shrub, sometimes 1.5 meters high ; leaflets oblong to 

 orbicular, 2 to 5 cm. long; flowers purplish, about 1.2 cm. long; fruit 3 to 4 

 cm. long, 5 to 6 mm. wide. 



4. Galactia incana (Rose) Standi. 



Odonia incana Rose, Contr. U. S. Nat. Herb. 10: 102. pi. 32. 1906. 



Sinaloa and Tepic ; type collected between Aguacate and Dolores, Tepic. 



Leaflets ovate or oblong, 3.5 to 7 cm. long; racemes often 25 cm. long. 



5. Galactia acapulcensis Rose, Contr. U. S. Nat. Herb. 5: 137. 1897. 

 Baja California, Guerrero, and Morelos ; type from Acapulco, Guerrero. 

 Leaflets oblong or oval, 3 to 7 cm. long, thin ; flowers 1 cm. long. 

 Perhaps not distinct from G. striata. 



6. Galactia striata (Jacq.) Urban, Synib. Antill. 2: 320. 1900. 

 Glycine striata Jacq. Hort. Vindob. 1: 32. pi. 76. 1770. 

 Galactia brevistyla Schlecht. Linnaea 12: 288. 1838. 



