192 



p 2. Stamens always included. 



f Flowering calyx i" to 2" long. 

 X Flowering calyx campanulate. 



* Inflorescence a long, narrow, racemose panicle. 



15. //. Nova-Mexicana . 



** Inflorescence a short racemose panicle. 



16. //. I I aim. 



XX Flowering calyx almost rotate, limb flat, dilated. 



17. //.pa nd folia . 



\\ Flowering calyx 2" to 5" long. 



"■ Inflorescence a loose, few-fiowered raceme. 

 iS. //. 7-acemosa. 



19. H. Willianisii. 

 ** Inflorescence thyrsoid. 



20. //. sangithwa . 



*** Inflorescence more or less spicate. 



21. //. cylindrica. 



^ I. Stamens exserted sooner or later. 



f Flowering calyx i" to ij^" long. 



* Inflorescence loosely paniculate or cymose-paniculate. 



1. H. RUGELII, Shuttlew.; Kunze, Linnaea, xx. 43, (1847). 



Slender stems, 6'-2° high, and also petioles, glandular-hirsute 

 to lanate- villous; leaves 2' to 5' broad, round-reniform, slightly 

 7 or 9 lobed, lobes broad ; calyx at time of flowering campanu- 

 late, about \" long, beset with scattered soft hairs; petals small, 

 Hnear-spatulate, two to three times as long as calyx lobes ; sta- 

 mens much exserted. 



North Carolina. — Broad River, Rugel, Porter ; Macon Co., 

 Boynton ; Burke Co., Torr. Herb.; Transylvania Co., J. D. Smith. 

 Tennessee. — Warmsprings, Rugel; Cumberland Mts., Gattingcr. 

 Illinois. — Union Co., French ; Makanda, Forbes. 



2. H. GLABRA, Willd.; Roem and Schult. Syst. vi. 216, (1820). 



Tiarella colorans, Graham, Edinb. Phil. Journ., 349, (1829). 



H. divai'icata, Fisch.; Seringe, D.C. Prodr. iv. 51, (1830). 



Slender; stems, usually bearing one or two leaves, i° to 2° 

 high, almost glabrous up to the minutely o-landular pedicels; 

 root-leaves 2' to 3' broad, glabrous or nearly so, incised, lobes 7 

 or 9, acute ; calyx at time of flowering about i" long, campanu- 

 late, glandular-pubescent; petals rather narrowly spatulate with 

 a slender claw, about three times as long as calyx lobes ; stamens 

 much exserted. 



Oregon. — Tolmie. WasJiitigton. — Tweedy; Base Mt. Paddo 



