66 * OORNACEiE. 



eompoand timbels; the inferior ovary sarmouuted by a disk which bears 6 petaU and 5 

 ■tamens: styles 2. The plants of this order are not here described. 



CORNACE^. 



Flowers in cymes or heads: petals 4: style 1 : ovary 2-celled •..,,.. 1 



Flowers dioecious, in drooping blue-gray catkins: petals none: styles 2 9 



1. CORNUS, Linnaeus. 



Flowers in a head with involucre of 4 to 6 large white petaloid bracts 1, 2 



Flowers yellowish in sessile umbels appearing before the leaves: bracts 4 3 



Flowers white or cream-color in many-flowered cymes 4 to 7 



1. C. Canadensis, L. Herbaceous, 3 to 8 inches high: leaves in a whorl at top. 



2. C. Nuttallii, Audubon. A tree: involucre often tinged with red. (Dogwood.) 



3. C. sessilis, Torr. Bark green: leaves pale and silky beneath: pedicels silky. 



4. C. Californica, C. A. Meyer. Branches purplish: leaves ovate: c^Tne round-topp'd, 

 5 C pubescens, Nutt. Similar: leaves rarely ovate: cyme larger: fruit white. 



6. C. glabrata, Benth. Bark gray: leaves acute at each end: cymes snjall, flat. 



7. C. Torreyi, Watson. Leaves ovate or narrower, acute: cyme loose: fruit white. 



2. GARRYA, Douglas. 



Leaves undulate, base obtuse, tomentose beneath 1 



Leaves not undulate, acute at each end 2, 8 



1. G. elliptica, Dougl. Sterile aments 2 to 5 inches long, often clustered. 



2. G. Fremonti, Torr. Petioles 4 to 6 lines long: aments solitary, 2 or 3 inches long. 



3. Q. buxifoliay Gr. Smaller, 2 to 5 ft. high: leaves 1 to li inches long, silky beneath. 



DIVISION II.— GAMOPETAL^. 

 CAPMFOLIACE^. 



9 1. Corolla regular, rotate: style short; stigmas S to 5: flowers in cyme*. 



Shrub or tree: young stems thick, pith large: leaves pinnate •,. 1 



Blender shrub: leaves simple: fruit a drupe: seeds flat 9 



§ 2. Corolla tubular and irregular or campanulaU: stigma i, capiUite. 

 A creeping herb with pendulous flowers in pairs 9 



