PLANTS OF SOUTHERN NEW JERSEY. 495 



ff. Flowers purple in long, slender axillary racemes, 

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



Phase olus, p. 513 



ee. Leaves elliptic or oval, 20-40 mm. long, flowers purplish. 



f. Nearly glabrous. Galactia regularis, p. 512 



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



aa. Herbs with pinnate 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. myrtif alius, p. 510 



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



[Vicia tetrasperniaY 

 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. 49S 



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



[Rohiiia hispida]' 

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



[R. pseudacaciaY 

 bbb. Leaves 3-foliate. 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. 



Baptisia tinctoria, p. 496 

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

 dm. high, flowers deep orange. 



Stylosanthes biUora, p. 499 

 dd. Flowers pink or pink and white. 



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



Lespedesa, p. 505 

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

 hairs. Meiboniia, p. 499 



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

 d. Flowers in slender spike-like racemes. 



e. Flowers yellow. [Melilotus officinalisy 



ee. Flowers white. \M. alba]^ 



^ 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. 



