Heuchera. SAXIFRAGACE^. 577 



Moiinfains of North Carolina, Mr. Kinn (in herb. Muhl.!) Mr. Curtis! 

 June-July. — Sttm rather stout, 1-J ft-el IukIi. Leaves somewhat like those 

 of Aconiium Napellus ; the lower ones on loiifj petioles; the u|)periii()st 

 nearly sessile. Cyme many-flowered ; the hranches somewliat racemose. 

 Calyx coherent nearly to the summit of the (»vary ; the limb at first spread- 

 ing; the teeth short, 3-nerved, somewhat acuminate. Petals (often none ?) 

 spatulate-ohovate, sessile, longer than the calyx, white. Capsule mostly 

 2-celled : placenta thick, very many-seeded. 



2. B. nccidentalis : nearly glabrous ; leaves roundish-cordate, incisely some- 

 what 5-lobed and toothed ; cyme loose, pubescent and slightly glandular ; 

 teeth of the calyx triani;ular-lanceolate. 



Oregon, Douglas! (1635) — Stem very slender, 1-2 feet high. Lower 

 leaves li inch in diameter, with very short lobes, on long slender petioles. 

 Cyme somewhat paniculate ; the peduncles rather few-flowered. Petals 

 very caducous, white. — Saxifraga ranuiiculifolia is perhaps a third species of 

 this genus. 



4. HEUCHERA. Linn.; Gcertn. fr. t. 177; R.Br, in Richards, appi. 

 FranU. joum. cd. 2. p. 52, t. 29. 



Calyx campanulatc, coherent with the ovary below, 5-cleft (sometimes 

 unequal); the segments obtuse, imbricate in a;stivation. Petals 5, small, 

 entire. Stamens 5, inserted alternately with the petals into the throat of the 

 calyx : filaments exserted or included : anthers 2-celled. Styles 2. Capsule 

 1-celled, with 2 parietal adnate placenta;, many-seeded, 2-beaked, dehiscent 

 between the beaks. Seeds horizontal, oval, minutely muricale or bisjjid. — 

 Perennial mostly acaulescent herbs. Radical leaves numerous, on long pe- 

 tioles, palmalely-veined, roundish-cordate, lobed and crenate or incised ; the 

 cauline ones, when present, alternate. Stipules adnate with the base of the 

 petiole, free at the apex. Scapes mostly panicled ; the peduncles cymosely 

 dichotomous, commoniy glandular. 



§ 1. Filaments and styles filiform, much exserted : calyx short, equal, obconic 

 or campanulate ; the lobes spreading : petals mostly persistent, at length 

 ofttn revolute or twisted: panicles effuse. — Euhedchera. 



'■" 1. H. Americana (Linn.) : scabrous-puberulent and somewhat viscid ; 

 scape mostly naked ; leaves roundish-cordate, somewhat 7-9-lobed ; the 

 lobes very short and rounded, dentate-crenate with short and broad mucron- 

 ate teeth, ciliate ; panicle elongated, loose, many-flowered ; the pedicels 

 divaricate ; bracts linear or subulate ; petals spatulate, somewhat une(|ual, 

 about the length of the calyx-segments; stamens (at first unecjual) at length 

 mufh exserted; anthers orange-color. — Linn. spec. 1. p. 226; Willd. ! 

 spec. 1. p. 1328 ; Ell. ! sk. I. p. 337 ; Torr. ! fi.l.p. 280 ; DC. ! prodr. 4. 

 p. 51 ; Darlin^rt. fl. Cest. p. 175. H. Cortusa, Michx. ! fl. 1. p. 171. 

 H. viscida, Pursh ! fl. I. p. 187. H. glauca, Raf. med. flora, \.p. 244 / 



Woodlands and rocky places, Connecticut, Southern part of New York ! 

 and Pennsylvania! to Alabama, and Missouri, Dr. James! May-June. — 

 Root astringent, as in all tlie other species. Leaves 1-4 inches in width, 

 slightly hispid with appressed hairs above, pubescent on the veins beneath, 

 membranaceous : petioles elongated. Scape 2-4 feet high, rarely with one 



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