49') Kl{I'()kT Ol'^ XI'AX" jl-.KSI'A' STATK MUSEUM. 



(/(/. Flowers in dense heads or very short racemes. 



c. Flowers bluish purple. [Medicago satk^aY 



ec. Flowers yellow. 



/. Calyx densely pubescent. [M. lupulina]* 



ff. Calyx glabrous. 



g. Corolla striate, sulcatc in age. 

 h. Leaflets all sessile. 



[Tr folium aurciimY 

 hli. Terminal leaflet stalked. 



\T. procumbensy 

 gg. Corolla not striate. [T. dubium]" 



eee. Flowers white or tinged with pink. 



/. Creeping, stoloniferous. [T. repensY' 



ff. Erect or procumbent, not stoloniferous. 



[T. IiybridumY' 

 eeee. Flowers pink, leaves with light spots above. 



[T. pratenseY* 

 eeeee. Flowers covered by the gray silky plumes of the 

 calyx, forming a dense silky head. [T. arvciiseY'^ 

 bbbb. Leaves simple, lanceolate, flowers yellow. 



Crotolaria sagittalis, p. 497 



BAPTISIA Ventenat. 



Baptisia tinctoria (L.). Wild Indigo. 



PI. LXVIIL, Fig. I. 



Sophora tinctoria Linnaeus, Sp. PI. 373. 1753 [Barbadoes and Virginia]. 

 Baptisia tinctoria Knieskern 13. — Britton 80. 



Dry sandy soil throughout the State, especially in open woods 

 and clearings; most plentiful in the Middle district. 



The Wild Indigo is a characteristic plant over most of the 

 coastal plain region, forming large, round pillow-like tufts, two 

 or three feet high and of equal diamlster ; conspicuous with its 

 yellow flowers and glaucous-green foliage, the latter turning 

 black when dried. 



'Alfalfa. Escaped from cultivation or along railroad banks. 



* Nonesuch. Waste ground, resembling yellow clover. 



" Yellow Clover, Hop Clover. The clovers are entirely weeds except the 

 white, red and the crimson flowered T. incarnatnm, which are cultivated, the 

 first two escaping everywhere. 

 "Low Hop Clover. 

 " Least Hop Clover. 

 '-White Clover. 

 " Alsatian Clover. 

 "Red Clover. PI. LXXL 

 '' Rabbit-foot Clover. 



