PI.ANTS OF SOUTHERN NEW JERSEY. 495 



ff. Flowers purple in long, slender axillary racemes, 

 leaves "50-100 mm. long, plant finely pubescent. 



Phaseolus, p. 513 



ee. I^eaves elliptic or oval, 20-40 mm. long, flowers purplish. 



f. Nearly glabrous. Galactia regularis, p. 312 



_ ff. Finely downy pubescent. G. volubilis, p. 513 



aa. Herbs with pmnate leaves terminating in a tendril. 



b. Flowers 10-50 mm., long. 



c. Stipules foliaceous, seashore plant. Lathyrus maritimus, p. 510 

 cc. Stipules half sagittate, inland plants. L. myrtifoUus, p. 510 



bb. Flowers 8-13 mm., stipules linear, long auriculate. 



[Vicia tetraspermaY 

 aaa. Herbs or trees, leaves without terminal tendrils. 



b. Leaves digitate, usually 8-10 leaflets, flowers in erect spikes, blue. 



Lupinus perennis, p. 497 

 bb. Leaves pinnate, leaflets numerous. 



c. Leaflets less than 12 mm. long, about 4 mm. wide, flowers 

 yellow. Aeschynomene, p. 498 



cc. Leaflets 25 mm. or more long. 



d. Plant an herb, villose, with silky white hairs, flowers pink 

 and white. Cracca virginiana, p. 498 



dd. Plant a shrub, with bristly stems, flowers red purple. 



[Robina hispidaY 

 ddd. Plant a tree, with glabrous twigs and white flowers. 



[R. pseudacacia]' 

 bbb. Leaves 3-foIiate. Herbs, erect or trailing. 

 c. Leaflets entire. 



d. Flowers yellow. 



e. Leaflets obovate, plant glabrous, succulent, 6-12 dm. 

 high, in round masses, flowers pale yellow. 



Baptiiia tinctoria, p. 496 

 ee. Leaflets linear lanceolate, plant usually pubescent, 1.5-6 

 dm. high, flowers deep orange. 



Stylosarithes biUora, p. 499 

 dd. Flowers pink or pink and white. 



e. Pod 1-2 jointed, not covered by minute hooked hairs. 



Lespedeza, p. 505 

 ee. Pod several to many jointed, covered by minute hooked 

 hairs. Meibomia, p. 499 



cc. Leaflets minutely toothed (entire in TrifoHum pratense). 

 d. Flowers in slender spike-like racemes. 



e. Flowers yellow. [Melilotus offlcmalis]' 



ee. Flowers white. [M. o/6a]° 



* Wild Vetch. Fields and roadsides, an occasional weed. 



° Clammy Locust. Established in sandy ground at several localities. 



"Locust Tree. Apparently not native in our region, but frequently intro- 

 duced about houses and occasionally escaped. 

 ' Yellow Melilot. Waste ground. 

 "White Melilot. Waste ground. 



