36 GERANIACEiE. 



GEIIAMACE^. 



Carpels 5, 1 -seeded, separating with styles when ripe from the long axis. 



Fertile stamens 10: tails of carpels coiled, not bearded 1 



Fertile stamens 5: tails of carpels twisted, bearded 2 



Carpels 5, 1-seeded, fleshy, globular: stamens 10 3 



Carpels united into a 5-celled ovary : capsule 5-sided : 4 



1. GERANIUM, Linnaeus. 



Carolinianum, L. Petals 2 or 3 lines long. A common weed, 

 incisum, Nutt. Flowers deep rose-purple, an inch broad. 



2. ERODITJM, L'Heritier. 



cicutarium, L'H. Pinnate leaves: leaflets pinnatifid. ("Filaree.") 

 moschatum, L'H. Leaflets doubly toothed: musky. 

 Botrys, Bertoloni. Leaves oblong, pinnatifidly lobed. Cent. Cal. 

 macrophyllum, H. & A. Leaves palmately lobed. Cent. & S. Cal. 



3. LIMNANTHES, Eobt. Brown. 



1. li. Douglasii, R. Br. Glabrous: petals yellow, white tipped.' Cal. 



2. L. rosea, Hartweg. Glabrous: petals purple tinged, obovate. Sac. Val. 



3. Xi. alba, Hartweg. Pubescent: petals white or nearly so. Cal. 



4. OXALIS, Linnaeus. 



1. O. Oregana, Nutt. Flowers pinkish. In coast forests. 



2. O. trilliifolia. Hook. In Oregon (?). 



3. O. corniculata, L. Slender branching stems: flowers yellow. 



RUTACE^. 



A tall shrub or tree: leaves 3-foliolate: flowers in terminal clusters 1 



A low shrub: leaves simple, opposite: flowers axillary - 2 



1. PTELEA, Linnaeus. 

 1. P. aug^stifolia, Benth. Fruit broadly winged, orbicular. Cent. Cal. 



2. CNEOBIDIUM, Hook. f. 

 L C. duxaostmx, H. f. Leaves often fascicled: fruit drupe-like. San Diego. 



