ECuiNOPANAX. COENACEJ3. 2Zli 



CORNUS. 



stylopodium obsolete; styles united to the middle. Shaded mountain ra- 

 vines California. 



Tar. acuminata Watson in Herb., Leaflets long acuminate, pedicels- 

 10-14 lines long. Mountain streams Southern Oregon. 



2 ECHINOPANAX Decaisne & Planch, in Eev. Hortic, 1864, 105. 



Densely prickly shrubs with, large palmately lobed leaves - 

 and greenish-white flowers in dense paniculate umbels; 

 Calyx-teeth obsolete. Petals 5, valvate in the bud. Stamens 

 5, alternate with the petals: filaments filiform; anthers ovate- 

 to oblong. Ovary 2-3-celled : styles 2, filiform : stigma termir 

 nal. Fruit laterally compressed, drupaceous; endocarp indur- 

 ated. 



E. horridain Decaisne &. Planch. 1. c. Very prickly throughout: 

 stems erect from a decumi)ent base, 4-12 feet high, leafy at the top : leaves 

 roundish-cordate, prickly both sides, palmately lobed, aculeate-dentate, 

 more or less pubescent beneath', 6-24 inches long : inflorescence terminal, 

 densely tomentose : rays subtended by a scarious laciniately cut bract : 

 petals ovate, with a broad base : styles united to the middle. In moun'-- 

 tain swamps, Oregon to the arctic regions. 



Oeder XLV. CORNACE^ Link. Handb. ii, 2. 



Trees, shrubs or rarely herbs with opposite mostly entire 

 pinnately veined leaves without stipules and cymose or capi- 

 tate infloresence, with or without an involucre. Calyx adher- 

 ent to the ovary, the limb 4-5-toothed or lobed, valvate in the- 

 bud. Petals distinct, as many as the calyx-lobes and alter- 

 nate with them, inserted on the margin of the epigynous disk,, 

 valvate in the bud : stamens 4-5, inserted with the petals and 

 alternate with them : anthers introrse, mostly cordate. Ovary 

 one-celled with a single pendulous ovule. Style single. Fruit 

 drupelets covered with the remains of the calyx. Seed ana- 

 tropous. Embryo nearly as long as the fleshy albumen. 



1 CORNUS Tourn. (Dogwood) 



Trees, shrubs or herbs with opposite entire leaves and small 

 perfect flowers in ' dichotomous cymes or involucrate heads; 

 Limb of the calyx 4-toothed, minute. Petals oblong, spread- 

 ing. Filaments filiform. Style subclavate; stigma obtuse or 

 capitate. Drupelets not connate. 



* Flowers greenish or purple, in a close head, surrounded by a con- 

 spicuous involucre of white petal-like bracts : fruit bright red. 



■t- Low and herbaceous, from slender, creeping root-stocks. 



C. Canadensis L. Sp. i, 118. Stems simple, 4-8 inches high ; leaves • 

 scarcely petioled, mostly in an apparent whorl of 4 or 6 near the summit., 

 oval to obovate pointed at both ends, somewhat appressed -pubescent on 

 both sides 2-3 inches long, near the middle of the stem; a pair of smaller 

 leaves and scale-like bracts bslow-; .psduncles 1-3 inches long ; involucral 



