VETCH FAMILY. 565 



so-called bald prairies. .June 20. Flowers bright rose-purple, or rather pink. 

 Rare. 



The, plant from Russellville, with the spikes more lax and the calyx with a longer 

 shining silvery pubescence. An ornamental plant worthy of cultivation. 



Type locality : " About Nashville and Lavergne, Tenn." Also collected "at Russell- 

 vilh>,Ala." 



Herb. Geol. Surv. Herb. Mohr. 



Kuhnistera purpurea (Vent.) MacMillan, Metasp. Minn. Vail. 329. 1892. 



PURPLE PRAIRIE CLOVER. 



Dalea purpurea Vent. Jard. Gels. t. 40. 1800. 



Petalostemon riohu eus Michx. Fl. Bor. Am. 2 ; 50, t. 37, f. 2. 1803. 



Gray, Man ed. 6, 132. Coulter, Contr. Nat. Herb. 2 : 79. Chap. Fl. ed. 3, 101. 



Alleghenian to Louisianiau area. Canada; northwestern plains to Saskatchewan; 

 Manitoba, Nebraska, Minnesota to Missouri, south from Tennessee to Arkansas and 

 northwestern Texas. 



ALABAMA: Prairie region. Autauga County. Adventive from the West (E. A. 

 Smith, July, 1874). Sole locality known in the State. 



Type locality not ascertained. 



Herb. Geol. Surv. Herb. Mohr. 



Kuhnistera pinnata (Walt.) Kuntze, Rev. Gen. PI. 1 : 192. 1891. 



PINE-BARREN PRAIRIE CLOVER. 



Anonymos pinnata Walt. Fl". Car. 103. 1788. 



Kulinistera carolinensis Lam. Encycl. 3 : 370. 1789. 



Petalostemon corymbosiis Michx. Fl. Bor. Am. 2 : 50. 1803. 



Ell. Sk. 2:176. Chap. FL 93. 



Louisianian area. Florida through the coast region to North Carolina, west to 

 Mississippi. 



ALABAMA: Lower Pine region. Dry sandy pine barrens. Washington, Monroe, 

 Baldwin, and Mobile counties. Flowers white, July, September; fruit ripe October. 

 Frequent. 



Type locality : South Carolina. 

 He 



erb. Geol. Surv. Herb. Mohr. 



INDIGOFERA L. Sp. PI. 2 : 751. 1753. 



Two hundred and twenty species, of tropical and subtropical regions, Asia, Cen- 

 tral and South Africa, Mexico, South America. North America, 2. 



Iiidigofera caroliniana Walt. Fl. Car. 187. 1788. WILD INDIGO. 



Ell. Sk. 2 : 244. Chap. Fl. 96. 



Louisianian area. Coast of North Carolina to Florida, west to western Louisiana 

 (Hale). 



ALABAMA: Central Prairie region. Exposed sandy banks. Montgomery County, 

 on Pentulalla Creek, July, 1880. Flowers yellowish brown, June. Infrequent. 



Type locality : South Carolina. 

 Herb. Gt 



Geol. Surv. 1 1 erb. Mohr. 



Indigofera miiiiata Ort. Hort. Matr. Dec. 98. 1797-1800. 



VERMILION-FLOWERED INDIGO. 

 CUBA. 



ALABAMA: Fugitive on ballast. Mobile, September, 1892, with seed well matured. 

 Not observed since. 



Type locality doubtless Cuban. 

 Herb. Geol. Surv. Herb. Mohr. 



Indigofera tinctoria L. Sp. PI. 2 : 1061. 1753. INDIGO. 



ALABAMA: Mobile. An escape from the plantations of the earliest settlers. 



Type locality : " Hab. in India.'' 

 Herb. 



[erb. Geol. Surv. 



CRACCA L. Sp. PL 2 : 752. 1753. GOAT'S RUE.' 

 (TEPHROSIA Pers. Syn. 2 : 328. 1803.) 



One hundred and twenty species; perennial herbs, mostly in warmer regions. 

 Eastern Asia, tropical South Africa. West Indies, South America, Eastern North 

 America 14, mostly southern. 



1 Anna M. Vail, Review of North American Species of the Genus Cracca, Bull. Torr. 

 Club, vol. 22, pp. 25 to 36. 1895. 



