CKASSDLACE2E. 123 



2. T. ang-ustifolia, Nutt. Stems rooting, 1 in. long: leaves 1-2 lines long. 



Var. Bolanderi, Watson. Stems 3-4 in. high: flower-parts in 3's or 4's. 



3 T. peduncularis, Smith. Pedicels 4-6 lines long in fruit: carpels purplish. 



2. SEDUM, Linnaeus. 



Flowers dioecious, deep purple, parts mostly in 4V 1 



Leaves narrowed toward the base, obtuse 2, 8, 4 



Leaves broadest near the base, acute 6, 6, 7 



1. 8. Rhodiola, DC. Stems simple: leaves acute, rarely entire. Alpine. 



2. 8. spathulifolium, Hook. Glaucous: petals yellow, 3 lines long, acute. 



3. 8. Oreg-anum, Nutt. Not glaucous: petals pale rose, much exceeding the stamens. 



4. 8. obtusatum, Gr. Similar to 2 & 3: flowers pedicel! ed; petals pale yellow, broader. 



5. 8. variegatuzn, Watson. Radical leaves slender : petals yellow, often purple-veined. 



6. 8. radiatuxn, Watson. Carpels broad, the beaks horizontal, star-like: petals yel. 



7. 8. pumiltun, Benth. Annual; 1*3 inches high: leaves 1-2 lines long: carpels 1- 

 seeded. 



3. COTYLEDON, Linnaeus. 



Leaves cylindrical and somewhat 3-sided 1, 2 



Leaves flattened: carpels nearly distinct, erect 



Petals united to the middle, red 8 



Petals united & the length, pale yellow, 4 lines long 4 



Petals united only at the base, yellow or orange. 



Leaves glaucous, white dusty or mealy. . . 5, 6, 7, 8 

 Leaves not glaucous or mealy, reddish 0, 10 



1. C. edulis, Brewer. Petals widely spreading, yellowish. San Diego. 



2. 0. viscida, Watson. Leaves numerous, very viscid: corolla reddish. S. Cal. 



3. 0. pulverulenta, B. & H. Densely white-dusty: leaves 2 or 3 inches broad. 



4. 0. Oregonensis, Watson. Leaves spatulate, obtuse: racemes axillary. 



5. C. ianceolata, B. & H. Petals orange, mid- vein glaucous: calyx-base broad. 



6. C. farinosa, B. & H. Usually densely mealy: petals lemon yellow. 



7. C. caespitosa, Haworth. Sepals ovate, *2 lines long or less: petals yellow. 



8. C. laxa, B. & H. Petals orange-yellow, keeled, prominent mid-vein glaucous. 



9. 0. Palnxeri, Watson. Flowering stem red: petals pale yellow. S. Cal. coaafc, 



10. 0. Lingula, Watson. Leaves an inch broad, 2 or 3 inches long, acute. 



DROSEEACE.3E. 



1. DROSERA, Linnaeus. 

 1. D. rotundifolia, L. Leaf -blade rounded, 26 line* broad: petals 2 lines long. 



