496 REPORT OF NFAV JKRSEV STATE MUSEUM. 



dd. Flowers in dense heads or very short racemes. 



c. Flowers bluish purple. [Medicago sativay 



ee. Flowers yellow. 



f. Calyx densely pubescent. [M. lupulina]' 



ff. Calyx glabrous. 



g. Corolla striate, sulcate in age. 

 h. Leaflets all sessile. 



[Trfolium aureumY 

 hh. Terminal leaflet stalked. 



[T. procumbensy* 

 gg. Corolla not striate. [T. dubiuntY^ 



eee. Flowers white or tinged with pink. 



f. Creeping, stoloniferous. [T. repensY^ 



ff. Erect or procumbent, not stoloniferous. 



[T. hybridumY^ 

 eeee. Flowers pink, leaves with light spots above. 



[T. prateiuseY* 

 eeeee. Flowers covered by the gray silky plumes of the 

 calyx, forming a dense silky head. [T. arvenseY'' 

 bbbb. Leaves simple, lanceolate, flowers yellow. 



Crotolaria sagittalis, p. 497 



BAPTISIA VentenaL 

 Baptisia tinctoria (L>.). Wild Indigo. 



PI. LXVIIL, Fig. I. 



Sophora tinctoria Linnaeus, Sp. PI. 272- I753 [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 diamfcter; 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. incarnatum, 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. 



