66 SAXIFRAGACEiE. 



heterophylla, H. & A. Similar, very slender: petals acute. Cent. Csl. 

 afi&nis, Bolauder. Stouter: calyx-tube rough, partly adnate. CaJ. 

 parviflora, Hook. Calyx obconical: ovary half inferior. Or. Wash. 

 tenella, Walp. Slender, 2-9 in. high: ovary nearly free. N. E. CaL 



8. TIABELLA, Linnaeus. 



unifoliata, Hook. Leaves 3-5-lobed, crenately toothed. S. F. Bay, N. 

 trifoUata, L. Most of the leaves 3-foliolate. Or. to Alaska. 



9. MITELLA, Tournefort. 



1. M. Breweri, Gr. Leaves 2-.3 in. broad: scape naked: petals ^ in. long. S.N. Mta^ 



2. M. trifida, Grab. Petals smaller, .3-5-parted. In shade. Coast Ranges. 



S. M. caulescens, Nutt. Stouter: 1 or more leaves on scape. Klamath Hiver, N. 



10. HEUCHEBA, Linn^us. 



glabra, Willd. Leaves acutely lobed, incised: panicle loose. Or., N. 

 rubescens, Torr. Leaves crenately lobed ^-1 in. broad. S. N. Mter., N. & E, 

 micrantha, Dougl. Leaves obtusely lobed, crenate, 2-4 in. broad, 

 pilosissima, F. & M. Very villous, viscid: calyx-base rounded. Cal. Coast. 

 cylindrica, Dougl. Flowers nearly spicate, ^-^ in. long: petals minute. 



11. PAKNASSLA, Tournefort. 



1. P. palustris, L. Leaves ovate to ovate-cordate ^. 1 in. long: petals ^-^ in. lang» 

 Var. Calif omica, Gr. Larger in every way. In wet places, mountains. 



2. P. flmbriata, Banks. Leaves reniform to cordate: appendages few or a scale, 



12. CHRYSOSPLENIUM, Linnaeus. 

 I. 0. gieehomSBfolium, Nutt. Decumbent in wet places: leaves J-^ in. long. 



13. PHIIaADELPHTJS, Linnaus. 



1. P. Liewisii, Pursh. Spreading, 3-5 ft. liigh: stigmas narrow. S. N. Mts. 



2. P. Qordonianus, Lindl. Larger in every way: leaves mostly toothed. Coa8ft» 



14. CARPENTERIA, Torrey. 

 I, 0. Calif omica, Torr. Leaves narrowly lanceolate. King's River, CaU 



16 WHIPPLE A, Torrey. 

 I W. modesta, Torr. Stems slender, spreading: calyx and corolla white. 



