Trees, Shrubs and Vines 



58. Twining Milkweed. Periploca. (P. graeca.) 

 Leaf ; 3-4', simple, opposite, entire, ovate or long-ovate, apex 

 pointed. Flower : dark purple (corolla 5-parted, lobes spread- 

 ing narrow, very hairy inside, filaments of stamens distinct, a 

 5-lobed crown in centre, each lobe bristle-tipped), long-clustered ; 

 August. Locally in Western New York, cultivated; twining, 

 woody, milky juice. 



59. Climbing Hempweed. Climbing Boneset. (Mikania 

 scandens.) 

 Leaf: 2-3', simple, opposite, serrate at base (sometimes en- 

 tire), long-heart-shaped, apex pointed ; leaf -stem usually 1-2' 

 long. Flower : flesh-colored to dull purple, small (corolla 

 tubular, 5-toothed, stamens 5), in 4-flowered "heads" having 4 

 bracts at base, many "heads" clustered together; July-Sep- 

 tember. New England, south, near water ; rather rare ; twin- 

 ing, herbaceous. (PI. VL) 



60. Gill. Ground-ivy. (Nepeta Glechoma.) 

 Leaf : i', simple, opposite, round-toothed, roundish, base 

 heart-shaped, with stem. Flower : light blue (corolla tubular 

 below, an upper lip erect, notched, a lower lip spreading, 3- 

 lobed, stamens 4), 1-3-clustered ; M ay- August ; in damp ground; 

 trailing, herbaceous, stem square. (PI. VI.) 



61. Trailing Strawberry-bush. (Euonymus obovatus.) 

 Leaf : 2', simple, opposite, serrate, rather obovate, base 

 pointed, apex usually so. Flower: greenish-purple, small 

 (petals, sepals, and stamens 4-5, petals separate, rounded), about 

 3-flowered on long stem ; June ; pod splitting and showing scar- 

 let seeds. New York, west and south, in damp ground ; branch- 

 lets 4-angled ; usually trailing, woody, rooting at joints. 



62. Wild-bean. Kidney-bean. (Phaseolus polystachyus.) 

 Leaf : pinnate, alternate ; leaflets, 3, ii'-3i' long, round- 

 ovate, apex sharp. Flower : purplish, small, sweet-pea-shaped 

 (calyx 5-toothed), in lengthened loose clusters ; July. August ; 

 pod 2' long, curved ; twining or trailing, herbaceous. (PI. \ L) 

 330 



