96 
BOTAl^Y. 
Drummond in tlie Rocky Mountains, latitude 46-56°. Not rare in the 
AVahsatcli; 5-9,000 feet altitude; May-July. (365.) 
Heuchera rubescens, Torr. Sfansb. Eep., p, 388, t. 5. Scape 
usually naked, glabrous or somewhat scabrous ; leaves nearly glabrous, sub- 
orbicular, cordate at base, slightly lobed, crenate-dentate, the teeth setosely 
mucronate or obtuse, ciliate; panicle narrow and loosely many-flowered ; bracts 
linear, often toothed, shorter than the pedicels; calyx campanulate or some- 
what turbinate, pubescent, more or less colored, the equal segments oblong 
and obtuse, erect, shorter than the linear petals ; stamens and styles exserted, 
— Scapes 8-15' high, with rarely 1-2 small ovate leaflets; leaves 1-2' broad; 
flowers 2-3" in length, the calyx varying somewhat in shape, and the segments 
more or less rose-colored or white; the whole panicle often somewhat reddish. 
It differs from H. sanguinea^ Eng., in the exserted stamens, style, and petals. 
First collected on Stansbury Island in Salt Lake ; afterwards in New Mexico 
and California. Found in the East and West Humboldt Mountains, Nevada, 
and in the Wahsatch ; 5-9,000 feet altitude; May-July. (366.) 
Heuchera cylindrica, Dougl. Scape elongated, naked, very villous 
below or hirsute with fulvous hairs, as also the petioles and veins of the leaves 
beneath; leaves roundish-cordate, glabrous above, 5 -7-lobed, lobes obtuse, 
mucronate-crenate ; panicle spicate, cylindrical ; bracts scarious, laciniate- 
fimbriate ; calyx campanulate, with erect somewhat unequal lobes ; petals 
minute or none ; filaments and styles very short, subulate, included, — Scape 
2-3°high ; leaves small. On stream-banks and hillsides, Oregon. Var. alpina. 
Low, 6-10' in height, glandular-hirsute throughout, not villous; leaves small, 
9" broad; spikes short, 1' in length. Clover Mountains, Nevada; 11,000 
feet altitude ; September. Specimens of the larger form, collected by Lyall 
on the northern boundary, have the same general glandular pubescence with- 
out fulvous hairs. (367.) 
Heuchera parvifolia, Nutt. Scabrous-puberulent ; scape naked 
leaves roundish-cordate, crenately 5-7-lobed, at length glabrous, ciliate ; the 
lobes short and rounded, with 1-2 slight crenations or sometimes crenately 
serrate; panicle racemose, rather loose; bracts small, laciniate-ciliate ; 
flowers small ; calyx adherent to the ovary, obconic at base, with equal dilated 
or rotate limb ; petals minute, fugacious ; filaments and styles very short, 
not equaling the calyx; seeds hispid. — Scape 6'-2° high; leaves 1-2' broad; 
flowers greenish; panicle somewhat crowded and spicate in the smaller 
