66 SAXIFRAOACE^E. 



4. T. heterophylla, H. & A. Similar, very slender: petals acute. Cent. C»J. 



5. T. affinis, Bolander. Stonter: calyx-tube rough, partly adnate. Cal. 



6. T. parviflora, Hook. Calyx obconioal: ovary half inferior. Or. Wash. 



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



8. TIABELIiA, Linn»us. 



L T. nmfollata, Hook. Leaves 3-5-lobed, crenately toothed. S. F. Bay, N. 

 2. T, trifoliata, L. Most of the leaves 3-foliolate, Or. to Alaska. 



9. MITELIiA, Tournefort. 



1. M. Breweri, Gr. Leaves 2-3 In. broad: scape naked: petals } in. long. S.N. Mt«> 



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



3. M. caulesoens, Nutt. Stouter: 1 or more leaves on scape. Klamath Eiver, N. 



10. HETTCHEBA, Linnseus. 



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



2. H. rubescens, Torr. Leaves crenately lobed J-1 in. broad. S. N. Mts., N. A K 



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



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

 6, H. cylindrioa, Dougl. Flowers nearly epioate, i-i in. long: petals minute. 



11. PABNASSIA, Tournefort. 



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

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



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



13. CHRYSOSPLENIUM, Linnaus. 

 1. O. glechomsBfoIiuin, Nutt. Decumbent in wet places: leaves J-J in. long. ' 



13. PHILADELPHUS, Linnaeus. 



1. P. Iiewisii, Pursh. Spreading, 3-5 ft. liigh: stigmas narrow. S. N. Mt». 



2. P. Oordonianua, Lintll. Larger in every way: leaves mostly toothed. Coast, 



14. CABPENTERIA, Torrey. 

 1, 0. Califomica, Torr. Ijeavea narrowly lanceolate. King's River, CaL 



15. WHIPPLE A, Torrey. 

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



