WILD FLOWERS OF NEW YORK 141 



Carolina. Rather ran' and local in New York, frequently seen along the 

 Hudson River valley and up the Mohawk, northward along West Canada 

 creek to Newport in Herkimer county, which appears to be the northern 

 limit of its range. Flowering in July and August. 



Sensitive Pea; Wild Sensitive Plant 



Chamaecrista nidi tans (Linnaeus) Moenchhausen 



Plate 105a 



An annual plant, 5 to 16 inches high with erect or decumbent, branching 

 and somewhat pubescent stems. Leaves evenly pinnate, sensitive to the 

 touch, bearing a small gland near the base of the petiole; leaflets twelve to 

 forty, linear-oblong, blunt and mucronate at the apex, rounded and oblique 

 at the base, inequilateral, one-fourth to two-thirds of an inch long, about 

 one-fourth as wide. Flowers two or three together in the axils, one-fourth 

 of an inch broad or less; calyx lobes five, pointed; corolla yellow, some- 

 what irregular, three of the five petals smaller than the others; stamens 

 five, all perfect. Fruit a small, linear, pubescent or smooth pod, 1 to if 

 inches long. 



In dry and sandy soil, Maine to Georgia, west to Indiana, Kansas 

 and Texas. Flowering from July to September. 



Partridge Pea; Large-flowered Sensitive Pea 



Chamaecrista fasciculata (Michaux) Greene 



Plate 105b 



Stems annual, rather widely branched and pubescent with spreading 

 hairs or nearly smooth, 1 to 2 feet high. Leaves with a sessile gland on 

 the petiole, sensitive, similar to the preceding species but the twenty to 

 thirty leaflets somewhat larger. Flowers two to four together in the axils, 

 1 to 1 1 inches broad and slender-pediceled ; calyx lobes long pointed ; petals 

 yellow, sometimes purple spotted; stamens ten, all perfect; four of the 

 anthers yellow, six of them purple. Fruit a linear, pubescent, or glabrous 

 flattened pod, i| to 2\ inches long and one-fourth of an inch wide or less. 



