No, 49. 



213 



species are North American/ and possess the same 



peculiar habit 



Linnseus only knew one species, Michaux two^ 



r 



Nuttal three, Pursh five, and I know seven, besides 

 many varieties, without being sure of having seen all 

 the .species of Pursh and Elliott. As this genus is 

 yet in a great confusion and uncertainty, I shall men- 

 tion licre only those which I have seen: they are be- 



4 



sides the actuaU 



1. H. Viscida of Pursh, (or H. cortusa of Mi- 



chaux, the H. americmia of Linnseus, &c. and W. 

 Bart. fig. 40.) Vicidly pubescent, scapes and leaves 

 a little scabrous, leares oblong cordate ciliate, w'Ah 

 many rounded lobes, and unequal mucronate teetri, 

 surface concolor: panicle short and laxiflore, calix 

 short, obtuse,^elals short lanceolate, stamina^ exsert- 



ed. The most common species east of the Alleghany 



mountains, rare to the west: petals rose. The varie- 

 ties are 1. Macrophyllo, 2. Maculata, .*?. Scabra, &c. 



2. H. Villosa of Michaux, (or H, ^Mspida of 



Pursh.) Entirely hairy, leaves cordate, with acute 

 lobes, panicle laxiflore, minutiflore, pedicels fdiform, 

 calix acute, petals short, &c.— In the Alleghany moun- 

 tains of Virginia, Carolina, &c. Flowers Y^xy small, 



petals w^hite. 



3. H. Pulveruhiita (or H. pubescens of Pm-sh, &c.) 



Leaves pulverulent-pubescent, cordate, with acute 



lobes, toothed, smooth beneath; scape smooth below, 



rough above, panicle crowded, petals longer than calix, 



stamina hardly exserted,— In the mountains from New 



