36 GERANIACER. 
GERANIACER. 
Carpels 5, 1-seeded, separating with styles when ripe from the long axis. 
Fertile stamens 10: tails of carpels coiled, not bearded.............0+eee ere Swed 
Fertile stamens 5: tails of carpels twisted, bearded............20ceeseecceeceees 2 
Carpels 5, 1-seeded, fleshy, globular: stamens 10..........6---+eeee eee es eneteneees 3 
Carpels united into a 5-celled ovary: capsule 5-sided....... 2... 02sec eeeeeeeeeeceeees 4 
1. GERANIUM, Linneus, 
1, G, Carolinianum, L, Petals 2 or 3 lines long. A common weed. 
2, G. incisum, Nutt. Flowers deep rose-purple, an inch broad. 
2. ERODIUM, L’Heritier. 
L E. cicutarium, L’H. Pinnate leaves: leaflets pinnatifid. (‘* Filaree.”) 
2. E. moschatum, L’H. Leaflets doubly toothed: musky. 
3. E. Botrys, Bertoloni. Leaves oblong, pinnatifidly lobed. Cent. Cal. 
4, E. macrophyllum, H. & A. Leaves palmately lobed. Cent. & S. Cal. 
3. LIMNANTHES, Robt. Brown. 
1 LL, Douglasii, R. Br. Glabrous: petals yellow, white tipped. Cal. 
2. L. rosea, Hartweg. Glabrous: petals purple tinged, obovate. Sac. Val. 
3 LL. alba, Hartweg. Pubescent: petals white or nearly so. Cal. 
4 OXALIS, Linnezus. 
1. 0. Oregana, Nutt. Flowers pinkish. In coast forests, 
2, 0. trilliifolia, Hook. In Oregon (?). 
3 0, corniculata, L, Slender branching stems: flowers yellow. 
RUTACER., 
A tall shrub or tree: leaves 3-foliolate: flowers in terminal clusters..........+00+e0 a A 
A low shrub: leaves simple, opposite: flowers axillary.............-cseeecceeeee wee B 
1. PTELEA, Linneus. 
1 P. augustifolia, Benth. Fruit broadly winged, orbicular, Cent. Cal. 
2. CNEORIDIUM, Hook. f. 
L ©. dumosum, H.f. Leaves often fascicled: fruit drupe-like. San Diego. 
