SAPi\nACE/B. 39 



Leaves piimatel}' 3-foliolate 3 



Flowers in drooping racemes: stamens 5, much exserted: leaves SfoHolate, serrulate. . . 4 



1. ^SCULXTS, Linnffius. 



1. IE. Californicus, Nutt. Leaves palmately 4-7-foliolate. (Buckeye.) 



2. ACER, Toumefort. 

 L A. macrophylluin, Pursh. Yellowish flowers in dense racemes: fruit hairy. 



2. A. circinatum, Pursh. Corymbs 10-20 flowered: sepals red or purplish. 



3. A. glabrum, Torr. Sepals and petals greenish yellow : filaments naked. 



3. NEGUNDO, Mcench. 



1. N. Californictim, T. & G. Calyx minute: petals none, dioecious. (Box -Elder.) 



4. STAPHYLEA, Linnjeus. 



2. S. Bolanderi, Gr, Leaflets broad, stipellate: fruit bladdery. Shasta. 



anacardiacej:. 



RHUS, Linnaeus. 



Slender deciduous shrubs: leaves 3-foliolate: fruit compressed globose. 



Flowers in dense axillary panicles: fruit smooth, dry, whitish 1 



Flowers in short scaly-bracted spikes: fruit hairy, gummy, scarlet 2 



Stout, diffuse evergreen shrubs: leaves simple, coriaceous: fruit ovoid. 



Flowers rose-color: leaves ovate on short petioles 3 



Flowers yellowish: leaves lanceolate on slender petioles 4 



1. R. diversiloba, T & Gr. Stems erect or climbing by rootlets (Poison Oak). 



2. B. aromatica, Ait. var. trilobata, Gr. Difi'usely slender-branched. 



3. R. integrifolia, B. & H Leaves entire or spinosely-toothed: fruit red, frosty. 



4. R. laurina, Nutt. Leaves glaucous, entire: panicles 2-4 inches long. 



LEGUMINOSiE. 



§ 1. Stamens distinct: shrubs (except No. 1). 



TiCaves palmately 3 foliolate: yellow flowers in terminal close racemes 1 



StifT, much branched, evergreen: flowers red-purple, solitary, axillary 2 



Leaves pinnate: flowers purple in dense axillary spikes: petal 1 



