CORNER. 159 



Order L. CORNE£. 



Trees, shrubs or undershrubs, with opposite exstipulate leaves, and 

 naked or involucrate eymose or capitate inflorescence. Calyx-tube 

 coherent with the ovary; limb 4-lobed or obsolete. Petals 4, epigynous, 

 valvate in bud. Stamens 4, alternate with the petals; anthers 2-celled. 

 Style filiform; stigma simple. Fruit drupaceous, 1 — 2- seeded. Seed 

 pendulous; embryo minute; albumen fleshy. 



1. CORNUS, Pliny (Dogwood). Deciduous shrubs, or low semi- 

 herbaceous plants. Drupe globose, ovoid or oblong; putamen 2-celled, 

 2-seeded. 



* Flowers while, not involucrate, eymose. 



1. C. glabrata, Benth. Shrub 5—12 ft. high, with gray bark, and 

 nearly or quite glabrons twigs and foliage: leaves oblong to narrowly 

 ovate, acute at each end, or acuminate at apex, 1—2 in. long, green alike 

 on both faces; petioles short, slender: fl. in many small open flat-topped 

 cymes: fr. globose, while; stone little compressed, not furrowed, broader 

 than high, breadth 2 lines or more. — Coast and Mt. Diablo Ranges. 



2. C. Greenei, C. & E. Size and habit of the last: twigs and inflores- 

 cence appressed-pubescent: leaves ovate, obovate or oval, acutish or 

 rounded at base, acute or acuminate at apex, appressed-pubescent or 

 glabrate above, beneath scarcely lighter but with a sparse appressed 

 pubescence of stifnsh hairs of which some are straight, others curved: 

 fl. large, in loose paniculate cymes: calyx-teeth triangular: styles with 

 enlarged greenish tips: fr. dark blue; stone globular, not furrowed, 

 slightly ridged.— Wooden Valley, Napa Co., Jepsoit. 



3. C. pubescens, Nutt. Shrub 6— 15 ft. high, with smooth reddish 

 branches: leaves ovate, acute, 2—4 in. long, paler and more or less 

 pubescent beneath: fl. in convex cymes: fr. white, subglobose, 2 lines 

 broad; stone somewhat flattened, mostly oblique, with a more or less 

 prominently furrowed edge, the sides more or less prominently ridged. 

 Var. California!, C. & B. Pubescence said to be loose and spreading; 

 leaves more rounded and broader; stone smaller, etc. — Throughout the 

 State, the variety chiefly; the type being of more northerly habitat. 



* * Flowers greenish, sessile on a thick convex receptacle, 

 subtended by 4 — 6 large while pelaloid brads. 



4. C. Suttallii, Audubon. Tree 15—70 ft. high, with ascending or 

 widely spreading branches and smooth bark: leaves 3— 5 in. long, obovate, 

 acute at each end, pubescent: bracts of involucre usually 6, obovate to 

 oblong, \% — 3 in. long, abruptly acute to acuminate, white, often tinged 

 with red: head >£— 1 in. broad, very dense: fr. 5—6 lines long, scarlet.— 

 Coast Eange from Monterey northward. May— July. 



