76 FLORA OF WASHINGTON AND VICINITY. 



Vicia hirsuta, Koch. « 



Kendall Green (Professor Chickering, 1878). 



Vicia Caroliniana, Walt. , 



April. 



tLathyrus paluster, L. Vetchling. Everlasting Pea. 

 Eastern Branch Marsh. First half of July. 



tLathyrus venosus, Muhl. 



Rocky places along the Potomac. May. 



t Clitoria Mariana, L. Butterfly-Pea. 



Rock Creek; Terra Cotta. Rare, and seldom fruiting. Second week in July. 



t Amphicarpaea monoica, Ell. Hog Peanut. 

 September. 



t Apios tuberosa, Moench. Ground-Nut. 

 Last of July or first of August. 



tGalactia mollis, Michx. Milk-Pea. 



August. 



tPhaseolus perennis, Walt. Wild Bean. 



Great Falls (Professor Chickering). Locks above Chain Bridge (Dr. Vasey). 



tPhaseolus helvolus, L. 



August. 



Rhynchosia tomentosa, Torr. &, Gray. 



A single specimen, out of flower, found September 14, 1879, near Bladensbnrg. 



tGleditschia triacanthos, L. Honey-Locust. 

 End of May ; fruit, July or August. 



t Cassia Marylandica, L. Wild Senna. 

 End of May. 



t Cassia Chamaecrista, L. Sensitive Pea. 

 August. 



t Cassia nictitans, L. Small-flowered Wild Sensitive Pea. 

 August. 



tCercis Canadensis, L. Red-bud. Judas-Tree. 



April. 



ROSACEiB. 



Rose Family. 



Prunus Peraica (Benth. &. Hook). Peach. 



Escaped and found wild remote from cultivation. May. 



Prunus Armeniaca, L. Apricot. 



Found in several places growing without cultivation. 



Prunus Americana, Marshall. Wild Plum 

 Last half of April. 



