SANDY SOIL 419 



19. Rattle-box 



Croialaria sagitta/is. — Family, Pulse. Color, yellow. 

 Leaves, simple, oval or oblong, acute, nearly sessile. Time, 

 July. 



Corolla, papilionaceous. A small, coarse, hairy plant, 6 

 inches high, with yellow blossoms, and pods at first green, 

 then black, hard, and brittle. The seeds rattle in the ripened 

 pod. Stipules are present, arrow-shaped at base, so formed by 

 running down on the stem and uniting, i foot high or less. 



Maine to Kansas. 



20. Hoary Pea. Goat's-rue. Catgut 



Tephrosia l/irginiana. — Family, Pulse. Color, pale lemon 

 and rose. Leaves, compound, with 9 to 29 leaflets, one odd 

 terminating the stem, all tipped with a minute point. 2i?iie, 

 June and July. 



Corolla, papilionaceous ; the standard greenish yellow, broad, 

 turned back in the full-grown flower. The pink or rose-colored 

 wings cohere with the keel, which is greenish yellow tinged 

 with rose-color. 



The plant grows erect, i to 2 feet, with thick, brittle stems, in 

 large clumps, in sandy soil, especially edging pine woods. The 

 flowers grow in long panicles, through which are scattered a few 

 leaves. The panicle is often ragged-looking, those blossoms be- 

 low being withered and dried. The entire plant is white, silky, 

 hairy. The roots are strong and fibrous, giving the name catgut. 

 The blossoms, with their striking color and large size, make a 

 showy plant. Not uncommon. 



21 



T. spicata is a straggling, branching species, covered with 

 brownish hairs, with few reddish flowers in a long spike, and 

 few leaves divided into 9 to 15 leaflets. 2 feet high. Time, 

 July. 



