594 | SAXIFRAGACEAE 
0. H. aceroides ene Leaf- Lll ovate, about 7-lobed, shining above, 
een nee beneath: flowering branch glabrous or glandular- -puberulent above, 
usually leafy: sepals ae with “the hypanthium 8-10 m ong, the lower 
a ie d petals pink, the larger ones 3.5—4 mm. long, ihe eae cuneate, 
othed: free portion of the mature ee tig "much longer than in H. 
dici e im a Blue Ridge, N. C.—Spr. 
11. H. hirsuticaulis Au. Rydb. Leaf-blades reniform or pi 
flowering 
with broad lobes, h n both sides, except sometimes in age: 
braneh hirsute: esit us together Mes the sepals 5-6 mm. long at ue 
turity: petals spatulate, about 2 mm. the upper ones shorter than the 
ong, 
sepals: eapsule-body short.—Shaded Banks various provinces, La. to Mo. and 
Mich.—Spr.—Corolla pinkish or yellowi 
12. H.scabra Rydb. Leaf-blades ovate, 7-9-lobed, scabrous-puberulent above, 
hirsute beneath: flowering brane glandular- puberulent, usually leafless: 
hypa anthium green, OR with the sepals 9-10 mm. long; lower ee nar- 
wly oblong: petals pinkish or purplish, the larger ones 4-5 mm. long, the 
blades spatulate. — Woods, Blue Ridge, N. C.—Sum 
13. H. LE Rydb. Leaf-blades orbicular-reniform to ovate, Ee 
except the margins and veins beneath, the lobes shallow and rounded: flow 
ing branch "m dies or glandular- m above: hypanthium often reddish: 
lower sepals elliptic, together with ae ee P 6-8 mm. long: petals 
yellowish, or purple-tipped, the eee ones 4—4.5 mm. long, the ‘bl ades orbicu- 
lar or rhombic-orbicular.—Hillsides, ee dnos and Interior Low Plateau 
provinces, Ala. to Ky.—Spr. 
Heuchera hispida Pursh with a narrow, lax panicle, nearly regular flowers, 
and exserted anthers was originally described from plants from the mountains 
of Virginia. It is not definitely known from our range. 
5 TIARELLA L. Perennial herbs usually with leafy runners. Leaves 
mostly at the base of the plant, except on the runners. Petals white, with 
narrow blades. Stamens 10, the filaments elongated. Styles egal Follicles 
oo se erect beaks.—About 6 species, North American and Asiatic.— 
SE-MITREWORTS. CoorwonRTS. FOAM-FLOWERS. 
Terminal leaf-lobe ovate, larger than the others: petals long-clawed. 
1. T. cordifolia. 
Terminal leaf-lobe triangular, not larger than the others: l 
petals short-clawed. 2. T. macrophylla. 
1. T. cordifolia L. Leaf-blades mostly 3-7 em. wide; petioles pus hirsute: 
Ad n lup rA wise a ner drap EE 4 mm. long, the 
15 long acum 
ie " capsule BOE beaked P Pih os | 
various de m Coastal Plain, Ga. 
to Ark., Minn, and N. S 
2. T. Tor Small. Leaf-blades 
mostly 12-20 wide; petioles mostly 
glabrous ie branch leafy: sepals 
typically ovate or oval: petals 2.5-3 
long, claw less tha as long as the 
acute blade: capsule short-beaked.—Wood 
Blue Ridge, N. C.—It is impossible to tell 
whether this species is starting on its career 
or if its restricted range is the ee, of a. 
former wider distribution. 
