w 
with st St, scaly rootstocks. Leaves basal » long-petioled, 
jl. Heuchera Le Alum Root. 
stipules present. Flowers in a panicle which may be dense and spike-like. 
Calyx cylindric to campanulate, joined to the lower half of the ovary. Petals 
white, 5, very small, inserted in the throat, entire, often wanting. Stamens 
5, alternate with the petals. Ovary partly inferior, 
styles 2, distinct. Fruit a 2-valved capsule, included 
calyx in our species. 
O Flowers on pedicels 5-15 mm. long, arranged in a 
graceful diffuse panicle with widely spreading se 
 Sranshos petioles hirsute with long, usually 
reflexed hairs !, He micrantha 
ee 
> Flowers on pedicels 1-3 mm. long, arranged in 
narrow crowded or cylindrical panicles with 
(/ ascending branches; petioles glandular or 
glabrous, infrequently thinly hirsute with 
\ spreading hairs 
2 Branches of the panicles 1-2 em. long; stems 
¢ and petioles glabrous @. He Houckii j 
3 
2 Branches of the panicles 1 om. long or less, 
or if more, the stems and petioles glandular@ =] 
hirsute 
px : sion 0 
Sa et ce Neape 
4 Capsules 5 mm. long; bracts scarcely .5 mn. wide, 
Bd nearly entire, subulate; leaves tending to be 
~ \broader than long 2. He grossulariaefolia | 
4 Capsules 7-10 mm. long; bracts lanceolate, mostly 
B ce mn. wide or more,glandular laciniate; leaves 
tending to be longer than broad 
G Calyx at anthesis 4-5 mm. long; capsules 7-8 
‘0 /mme long; stems and petioles nearly or quite glab- 
0’ rous | 4. He glabella 
(- Calyx at anthesis 6-7 mm. long; stems and 
jg¢ usually petioles glandular and more or less 
\hirsute with spreading hairs 3. He cylindrica 1 
ee fy 
