Part 4, 1924] FABACEAE: GALEGEAE 223 



equal, deltoid; corolla about 2 cm. long; petals similar to those of the preceding; pod 3-6 cm. 

 long, 12 mm. wide, 3-5-seeded, glabrous. 



Type locality: Tula, "State of Mexico" [the label gives State of Hidalgo, which is probably 

 correct]. 



Distribution: Known only from the type locality. 



3. Robinia Elliottii (Chapm.) Ashe; Small, Fl. SE. 

 U. S. 613. 1903. 



Robinia rosea KM. Rot. S. C. & Ga. 243. 1S22. 



Robinia hispida Elliottii Chapm. Fl. S. U. S. 94. 1860. 



Robinia hispida rosea Ell.; Chapm. Fl. S. U. S. 94, as synonym. 1860. 



t Robinia hispida inermis Petz. & Kirchn. Arb. Muse. 372. 1864. 



A shrub, 0.5-2 m. high; branches canescent when young, brown and glabrate in age; 

 stipular spines, when present, short and stout; leaves 1-2 dm. long; rachis short-villous; 

 stipels 2-3 mm. long; leaflets 9-15, oval or elliptic, 1.5-5 cm. long, 1-3 cm. wide, villous- 

 canescent beneath when young, in age glabrate, rounded at the base, rounded to acute and 

 mucronate at the apex; racemes 5—10 cm. long, 5— 10-flowered; peduncle, pedicels, and calyces 

 villous-canescent, often with a few bristles; calyx-tube 6 m. long, the lobes deltoid, acuminate, 

 subulate-tipped, 4-5 mm. long; pod linear, hispid, 3-5-seeded. 



TypB locality: Pine-barrens between Waynesborough and Wrightborough, Georgia. 

 Distribution: North Carolina to Georgia and Alabama; apparently also Maryland. 



4. Robinia Boyntoni Ashe, Jour. Elisha Mitchell Soc. 



14:52. 1897. 



Robinia hispida rosea Pursh, Fl. Am. Sept. 488. 1814. Not R. rosea Mill. 1768. 



Robinia hispida macrophylla DC. Prodr. 2: 262. 1825. 



Robinia macrophylla G. Don, Gen. Hist. 2: 238. 1832. Not R. macrophylla Spreng. 1826. 



A shrub, 1.5-2 m. high; branches at first puberulent, in age glabrate, brown, glossy; 

 stipules subulate, often caducous; stipular spines, if present, short, 5 mm. long or less; leaves 

 10-15 cm. long; rachis somewhat puberulent or glabrate; leaflets 9-13, oval or oblong-ovate, 

 2-4 cm. long, 1-2 cm. wide, mucronate, rounded to acutish at the apex, minutely puberulent 

 when young, soon glabrate; racemes 7-9 cm. long, loosely 9-12-flowered; peduncle, pedicels, 

 and calyces puberulent and slightly glandular-hispid; pedicels 4-5 mm. long; calyx-tube 5-6 

 mm. long, the lobes ovate, short-acuminate; corolla rose-purple or pink, often paler at the base, 

 about 2 cm. long; pod glandular-hispid. 



Type locality: Carolina. 



Distribution: Mountains of North Carolina. South Carolina, Georgia, Alabama, and Ten- 

 nessee. 



Illustration: Garden 77: 26S. 



Robinia Boyntoni X Pseudo-Acacia. Robinia albicans Ashe, Bull. Torrey Club SO: 362. 1923. 

 A shrub, 1-2 m. high, with short slender or no spines; leaves yellowish -green; leaflets 9-17, elliptic- 

 oblong; peduncles 6-12 flowered; corolla 20-22 mm. long, white or pale-lilac; calyx-lobes ovate, 

 abruptly short -acuminate. Type from Transylvania County, North Carolina. 



5. Robinia nana Ell. Bot. S. C. & Ga. 2: 243. 1822. 



Robinia hispida nana T. & G. Fl. N. Am. I: 295. 1838. 



A shrub, 2-3 dm. high; stem ascending, minutely puberulent, mostly unarmed, or with 

 very short conic spines; leaves 1-1.5 dm. high; leaflets 7-1 1, elliptic, rounded or subtruncate 

 at the base, rounded to acutish to the apex, 3-4 cm. long, 1.5-2 cm. wide; racemes few-flowered, 

 sparingly glandular; calyx pilose and sparingly hispid, the tube 5 mm. long, the lobes lanceolate, 

 caudate-acuminate, 6-8 mm. long; corolla rose-colored, 16-1 S mm. long. 



Type locality: Sand-barrens near Columbia, South Carolina. 

 Distribution: North and South Carolina, in sandy soil. 



