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 M. riparia or hyemalis , 
would have been better, since it only grows on 
the margins of streams from New England 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. rotijn difolia 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- 
