ECHINOPANAX. CORNACE^E. 271 



COKNUS. 



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

 vines California. 



Var. acnminata Watson in Herb. Leaflets long acuminate, pedicels 

 10-14 Jines long. Mountain streams Southern Oregon. 



2 ECHINOPANAX Decaisne & Planch, in Rev. Hortic, 1854, 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 termi- 

 nal. Fruit laterally compressed, drupaceous; endocarp indur- 

 ated. 



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

 stems erect from a decumbent 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. 



ORDER XLV. CORNACE^E 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 ovarv, 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 fche 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. 



-*- Low and herbaceous, from slender, creeping root-stocks. 



C, Canadeusis 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 

 leaves 



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

 3 and scale-like bracts below; peduncles 1-3 inches long: involucral 



