Heuchera. SAXIFRAGACE^. 579 



N. W. Coast (Pallas!) from Silcha and other islands to Fort Vancouver, 

 Dr. Scouler ! Douislas. Norliilk Sound, Esclisrlioltz! ]VIi)unt Kaiiicr, Mr. 

 Tolmic! and on the Rocky IMounlains in lal. 54 "\ DrummontI, ex Honk. — 

 Rliizoma cloniralt'd, protunihent, sraly- S(.a])cs slcndor, l'J-18 inches liigh, 

 erect or apparemly sonictinifs recHnctl. Teeth nf tlie leaves, esiiecially tlic 

 cauline ones, sliarjjly inucronate. Pedunch-s ami filif()rin pedicels pubcru- 

 lent and a httie sjlandiilar. Calyx pubescent willi appressed hairs ; tlie teeth 

 short, railu'r obtuse. Flowers scarcely larger tiiati in II. inierantha. Petals 

 small. Styles at length much exserted. Seeds oblong or oval, minutely 

 hispid in lines. 



-f" 5. H. micranfha (Douel.) : scape nearly naked, the lower portion and tlie 

 petioles very villous with long s|)reading reddish iiairs; leaves roundish-cor- 

 date, slightly and obtusely lobed, mucronately crenate; panicle hxise, vir- 

 gate; the bracts of the lower branches leaf-like, the uppermost setaceous; 

 petals sjialulate-lanceolate, with (iliforin claws, nearly the lengtli of the much 

 exserted staniens. — Dousl. ! in hot. rcg. I. 1302 ; DC! prodr. 4. appr. p. 

 667; Hook.!fl. Bor.-Am. 1. p. 236. H. Barbarossa, Presl! ret. Htenk. 

 2. p. 56. H. longipetala, Morinn, ic. ined. ex DC? 



p. more glabrous ; petioles and base of the scape pilose with very scat- 

 tered hairs. 



Rocky banks of the Oregon River ^c, Dr. Scouler ! Doufflas ! Nfwtka, 

 H(i'?ike ! (v. sp. in herb. imp. Vindob.) 0. Rocks of the Oregon, near the 

 mouth of the Wahlamet, NultalL ! June. 



§ 2. Filaments and styles suhulate-fdiform, included or at length scarcely 

 exserted: calyx campanulate, with the lobes erect; the throat nsually more 

 or less oblique : petals persistent : JUnvers large : panicles contracted or 

 thyrsoid. — Heruchea. 



-^''*6. H. jmbescens (Pursli) : scape naked, minutely pulverulent-pubescent 

 'and scabrous, the lower portion, with the leaves and petioles, nearly gla- 

 brous ; leaves orbicular, cordate, obtusely 5-7-lobed ; the lobes short and 

 rounded, crenulale with very short and broad obtuse slightly mucro- 

 nate teeth, hispidly-ciliate ; panicle somewhat thyrsoid, with few-flowered 

 contracted branches; bracts linear-setaceous; petals spatulate, scarcely 

 unguiculate, veiny (violet-purple), longer than the includeil stamens, about 

 the length of the somewhat unequal segments of the calyx ; styles filiform, 

 at length slightly exserted.— Pwrs/i / ^/. 1. p. 187; DC. prodr. A. p. 52. 

 H. grandiflora, liaf. ! mss. H. jjulveruleiita, Raf. wed. flora, 1. p. 244. 



Blue Mountains of Pennsvlvariia and Virginia, Pursh ! Valleys in the 

 mountains of Virginia. ProJ\ Dniibcni/ ! Alleghanies of Maryland, Rafm- 

 esque ! and " on the hills bordering the Mud-licks, Bath, Kentucky," Dr. 

 Short ! May-June. — Leaves 2-3 inches in diameter, quite glabrous on both 

 surfaces or a little pubescent beneath: petioles rather short. Scape 8-16 

 inches high, slender. Bracts entire or laciniate-fimbriate. Flowers about 5 

 lines in length. Calvx-segments greenish-while ; two of them narrower. 

 Petals minutely erose and undulate on the margins.— The natne imposed by 

 Pursh is not appropriate, as this is usually perhaps the most glabrous species 

 in the United States. 



' • 7. H. hispida (Pursh) : scape mostly 1-2-leaved, glabrous; radical kaves 

 roundish-cordate, rather obtusely 5-7-lobed, crenate with very broad and 

 short almost retuse mucronate teeth, hispidly ciliate; the ujiper surface 

 hispid ; the lower, with the petioles, glabrous ; branches of the panicle few- 

 flowered ; petals broadly obovate-spatulate, unguiculate, veiuy (violet-purple), 



