16^ NEW SYLVA. 



45. Leaves ovate and obovate obtuse repand, 

 base obliquely cordate, smooth ; flowers sessile 

 clustered by 3 to 5, calix and fruit pubescent — 

 the names of Tr. or H. riparia or hyemalis, 

 would have been better, since it only grows on 

 the margins of streams from New JEngland to 

 Carolina. It is in bloom in December and 

 January, even when the snow is on the ground, 

 and the fruit is ripe in the spring. Branches 

 punctate. 



511. Tr. or H. nigra Raf. Autikon. Leaves 

 ovate and obovate, acute, repand subsinuate, 

 base oblique obtuse not cordate, smooth and 

 coriaceous, brown or blackish above, rusty and 

 lucid beneath, flowers and fruits solitary. — On 

 the Mountains Alleghany of Pensylv. and Vir- 

 ginia, in«dry hills, shrub 6 to 10 feet high, found 

 in bloom in Obtober 1818. Var. Catesbiana 

 figured by Catesby, leaves ovatoblong, quite 

 acute, serrate repand, is it a sp ? 



512. Tr. or H. estivalis Raf, Autikon. 

 Leaves obovate acute, repand erose, base obli- 

 qual obtuse not cordate, smooth thin and green 

 on both sides, flowers geminate mostly axillary 

 — small shrub 3 to 5 feet high growing in West 

 Kentucky and probably further west also, near 

 streams, but blossoming in July when in full 

 leaf: these leaves are thin and not leathery as 

 in 510. Discovered in 1818 and 1823. 



513. Tr. or H. rotundifolia Raf. Autikon 

 H. macrophyla P. E, Leaves orbicular or 

 broadly ovate, base obliqual subcordate, repand 

 sinuate obtuse, beneath reticulate roughly 

 punctate, flowers subpedicellate 3-4 — A large 

 shrub, leaves only 3 to 4 inches long, not larger 

 than in 510, 511, thus macrophyla was a bad 

 name. First found in Alabama by Lyon,deem- 



