Description of Native Vines 



74. Climbing Fumatory. Mountain Fringe. (Adlumia 

 fungosa.) 



LEAF : twice pinnate, alternate ; ultimate leaflets mostly in 

 threes, delicate, usually 2-3-lobed. FLOWER : white or purplish 

 (petals 4, joined in pairs, sepals 2, stamens 6), pendent, in large 

 panicles ; June-October. Often cultivated, delicate, climbing by 

 leaf-stems, herbaceous. New York, west and south. (PI. VII.) 



75. Dwarf Raspberry. (Rubus triflorus.) 



LEAF : pinnate, alternate ; leaflets, 3-5, i'-2 f long, serrate, 

 long- or broad-ovate, base and apex pointed, thin, smooth. 

 FLOWER : white, small (petals 5-7, erect, stamens many), 1-3- 

 clustered ; June ; fruit small, sour, dark red. New Jersey, west 

 and north ; often trailing, not prickly, mostly herbaceous. 



76. Silver-weed. Potentilla. (P. anserina.) 



LEAF : pinnate, clustered ; leaflets, 9-19 (with additional mi. 

 nute pairs), coarsely serrate or lobed, oblong, green above, silvery* 

 white and silky-hairy beneath, stipules with cut edge. FLOWER : 

 yellow (petals 5, stamens many), single, on long stems directly 

 from the ground ; June-September. New England to Pennsyl- 

 vania and west ; with creeping runners. 



77. Clematis. Virgin's-bower. (C. virginiana.) 



LEAF : pinnate, opposite ; leaflets, 3, 2'-3' long, coarsely ser- 

 rate, often somewhat lobed, ovate, apex long-pointed, base a little 

 cordate. FLOWER : white, small (no petals, sepals 4, spreading, 

 stamens many), clustered, abundant ; July, August ; fruit with 

 feathery appendages ; climbs by twisted leaf-stems. (PI. VII.) 



78. Whorled Clematis. (C. verticillaris.) 



LEAF : pinnate, opposite (often in pairs) ; leaflets, 3, i'-2' long, 

 entire or slightly serrate or lobed, ovate, base often cordate, apex 

 pointed. FLOWER : purplish, 2'-3' broad (no corolla, sepals 4, 

 colored, spreading, many stamens), single ; May. In rocky and 

 mountainous ground, east ; rare ; climbing by twisted leaf-stems. 



335 



