66 SAXIFRAGACER. 
heterophylla, A. & A. Similar, very slender: petals acute. Cent. Cal. 
affinis, Bolander. Stouter: calyx-tube rough, partly adnate. Cal. 
parviflora, Hook. Calyx obconical: ovary half inferior. Or. Wash. 
tenella, Walp. Slender, 2-9 in. high: ovary nearly free. N. E. CaL 
HHA 
8. TIARELLA, Linnezus. 
1. T. unifoliata, Hook. Leaves 3-5-lobed, crenately toothed. 8. F. Bay, N. 
2. T. trifoliata, L. Most of the leaves 3-foliolate. Or. to Alaska. 
9. MITELLA, Tournefort. 
l. M. Breweri, Gr. Leaves 2-3 in. broad: scape naked: petals 3 in. long. 8.N. Mta 
2. M. trifida, Grah. Petals smaller, 3-5-parted. In shade. Coast Ranges. 
8. M. caulescens, Nutt. Stouter: 1 or more leaves on scape. Klamath River, N. 
10, HEUCHERA, Linneus. 
glabra, Willd. Leaves acutely lobed, incised: panicle loose. Or., N. 
rubescens, Torr. Leaves crenately lobed 4-1 in. broad. S, N. Mts, N. & EB 
micrantha, Dougl. Leaves obtusely lobed, crenate, 2-4 in. broad. 
pilosissima, F. & M. Very villous, viscid: calyx-base rounded. Cal. Coast. 
cylindrica, Dongl. Flowers nearly spicate, 4-4 in. long: petals minute. 
fo Fe Bt Fa fd 
11. PARNASSIA, Tournefort. 
1. P. palustris, L. Leaves ovate to ovate-cordate 4.1 in. long: petals }-4 in. long, 
War. Californica, Gr. Larger in every way. In wet places, mountains. 
2. P. fimbriata, Banks. Leaves reniform to cordate: appendages few or a acale 
12. CHRYSOSPLENIUM, Linnzus. 
1. GO. glechomefolium, Nutt. Decumbent in wet places: leaves 4-4 in. long. 
13. PHILADELPHOS, Linnzus. 
Lewisii, Pursh. Spreading, 3-5 ft. high: stigmas narrow. S, N. Mts. 
Gordonianus, Lindl. Larger in every way: leaves mostly toothed. Coast. 
r 
mn 
; 14. CARPENTERIA, Torrey. 
1. C. Californica, Torr. Leaves narrowly lanceolate. King’s River, Cal, 
15. WHIPPLEA, Torrey. 
1 W. modesta, Torr. Stems slender, spreading: calyx and corolla white. 
