194 



broad, acutely or obtusely 7 or 9-lobed ; calyx at time of flow- 

 ering about i" long, campanulate ; petals linear-spatulate, about 

 twice as long as calyx lobes ; stamens much exserted. 



The species as here accepted exhibits a remarkable variety of 

 leaf forms. 



West Virginia. — On New River, Porter. Virginia. — Porter ; 

 Natural Bridge, Gray and Carey, Dr. and Mrs. Britton ; South 

 Peak of Otter and Bedford Co., Curtiss ; Giles Co., Canby, Red- 

 field; Wytheville, Shriver. North Carolina. — Porter, Curtis, 

 Carey, Vasey; Mitchell Co., Redfield ; Macon Co., Highlands, 

 J.D.Smith; Rich Mts., Transylvania Co., J. D.Smith. South 

 Carolina. — Nuttall ; Caesar's Head, J. D. Smith. Tennessee. — 

 Warmsprings, Rugel ; Cumberland River, Nashville, Canby; 

 Roan Mt, Dr. and Mrs. Britton ; Mountains, Gattinger, Ken- 

 tucky. — Lexington, Short ; Banks of Kentucky River, Peter. 

 Glabrous forms. Sottth Carolina. — Bridal Vail Falls, J. D. Smith. 

 Georgia. — Tococa Falls, Curtiss, No. 860. 



The specimen on which H. Curtisii was founded does not 

 appear to exist in either "the Torrey or the Gray Herbarium. 

 ** Inflorescence cymose-subspicate. 



5. H. MINUTIFLORA, Hemsley, Diag. PL Nov. pars iii. p. 50, 



(1880). 



"Stems, often bearing three or four leaves, i" to 1^° high, 

 villous below, as are also the petioles; leaves round-cordate, i' 

 to 2' broad, somewhat lobed, crenate- denticulate, 7 nerved, 

 smoothish on both sides; calyx at time of flowering about i" 

 long, rather broadly campanulate, lobes oblong, obtuse ; petals 

 hnear, hardly longer than calyx lobes ; stamens included at first, 

 but at length slightly exserted." 



South Mexico. — Popocatapetl, H. Christy, (fide Hemsley). 



'•'** Inflorescence a long, narrow panicle ; flowers clustered. 



6. H. PILOSISSIMA, Fisch. and Mey., in Ind. Sem. h. Petrop. v. 



36, (1838). 



H. hispida, Hook, and Arn. Bot. Beechey, 347, (1841); not 

 of Pursh. 



H. hirtiflora, Torr. and Gray, Fl. N. A., i. 582, (1840). 



Villous with rusty, viscid hairs ; stems,, usually bearing a few 

 leaves, i" to 2° high ; root-leaves rough, 2' to 3' wide, broadly 

 ovate-cordate, lobes rather obtuse, crenate-dentate ; calyx at 

 time of flowering short and broad, open, about i y^" long, densely 



