20 WOODY PLANTS OF MANHATTAN 



S. cokdata, Muhl. 1. c. Downy Willow. 



A large straggling shrub with camparatively large cinereous pubes- 

 cent or glabrescent twigs and rectangular, U-shaped leaf-scars, the latter 

 sometimes eight-ranked. Stipule-scars conspicuous, oval with one to 

 three bundle-scars. Flower buds as much as 10 mm. long. Along rocky 

 streamlets, not common 



46 POPULUS, Tourn. Inst. 1700; L. Spec. 1753. 



P. monilifbra, Ait Ilort. Kew. 1789. Cottonwood. 



A large tree with five angled pith, light yellowish-drab, smooth and 

 glossy, cylindrical or on vigorous shoots, angled twigs, five-ranked, ellip- 

 tical, arcuate or shield-shaped leaf-scars with three bundle-scars and 

 narrow stipule-scars. Terminal bud large, conical, curved, with a few 

 brownish, ovate, smooth and shining, gummy scales. The lateral flower 

 buds are very large, as much as 2 cm long. Frequent in lowland woods. 



47 SMILAX, Tourn. Inst. 1700; L. Spec. 1753. 



S. msriDA, Muhl. Cat. Ed. 2, 1818. Greenbrier. 



An endogenous vine climbing by stipular tendrils. Twigs dark green, 

 glabrous, at least the lower part armed with straight, polished, dark 

 brown prickles. The base of the petiole with the two tendrils attached, 

 persists after the leaf has fallen, leaving no distinct scar. Buds single, 

 horizontally divergent, conical, two-ranked, showing but one scale. Com- 

 mon iii low woods. 



48 JUNIPERUS, Tourn. Inst. 1700; L. Spec 1753. 



J. Virginiana, L. Spec. 1753. Red Cedar. 



Evergreen trees with two kinds of leaves, awl-shaped and divergent in 

 whorls of three, and opposite, appressed, scale-like, with a gland on the 

 back. Rocky bluffs. 



