496 REPORT OF NEW JERSEY STATE MUSEUM. 



dd. Flowers in dense heads or very short racemes. 



e. Flowers bluish purple. [Medicago sativaY 



ee. Flowers yellow. 



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



ff. Calyx glabrous. 



g. Corolla striate, sulcate in age. 

 h. Leaflets all sessile. 



[Tr folium aureumY 

 hh. Terminal leaflet stalked. 



[T. procumbens]" 

 gg. Corolla not striate. [T. dubiumY^ 



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. pratenseY* 

 eeeee. Flowers covered by the gray silky plumes of the 

 calyx, forming a dense silky head. [T. arvense]^ 

 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]. 

 Bafitisia tinctoria Knieskern 13. — Britton 80. 



Dry sandy soil throughout the State, especially in open woods- 

 and clearing's ; 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. 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. 



