CELASTRACEiE. 



CELASTRACEj;. 



37 



A slender deciduous shrab with 4-angled branches : leaves 2-4 inches long 1 



A low much-branched evergreen: leaves 6-lS lines long, numerous 2 



1. EUONYMTJS, Tournefort. 

 1, E. oCcideutaUs, Toum. Flowers dark brown, parts in 5's, rotate, drooping. 



2. PACHYSTIMA, Kafinesque. 

 1. P. Mersinites, Eaf. Flowers greenish, parts in 4's, about a line broad. 



rhamnacej:. 



Flowers greenish. Leaves alternate : flexuose branches spiny 1 



Leaves alternate: not spiny: fruit juicy 2 



Leaves opposite, 1 or 2 lines long: fruit dry 3 



Flowers white or blue, in dense clusters: fruit dry 4 



1. ZIZYPHXJS, Jussieu. 

 1. Z. Parryi, Torr. Peduncles axillary, recurved in fruit, 1-3-floweredi 



2. BHAMXUS, Linnaeus. 



Flowers apetalons and mostly dioecious: seeds concave 1, 2 



Flowers with minute petals, mostly perfect: seeds convex on the back 3, 4 



1. E. alnifolia, L'Her. Low: deciduous leaves acute at each end, serrate. 



2. R. crocea, Nutt. Leaves acutely denticulate, evergreen, thin. 



3. R. Califomica, Esoh. Leaves elliptical to ovate-oblong, evergreen, thick. 

 Var. tomestella, Gr. Densely white-tomeutose. Both forms common in CaL 



4. R. Purshiana, DO. Elliptical leaves 2 to 7 inches long, decidnons. 



3. ADOLPHIA, Meisner. 



X. A. Califomica, Watson. In dense clumps 2 or 3 ft. high, branchlets jpiny. 



4. CEANOTHTJS, Linnaeus. 

 § 1. Leaves all alternate: fruit not crested. 

 Leaves 3-nerved from the base. 



Branches not rigid or spiny: leaves glandular serrate (except No. IV 



Flowers white in large clusters 1, 3, 8 



Flowers blue 4, 6, 6 



