CAPRIFOLIACEAE. 323 



Family 126. CAPRIFOLIACEAE Vent. HONEYSUCKLE FAMILY. 



Style deeply 3-s-cleft ; shrubs or trees with compound cymose inflorescence and 



drupaceous fruit. 



Leaves pinnate; ovary 3-s-celled, each cell with i ovule, i. SAMBUCUS. 



Leaves simple; ovary i-celled and i-ovuled. 2. VIBURNUM. 



Style slender, undivided ; stigma capitate. 



Trailing evergreen herb ; flowers long-peduncled, geminate ; stamens 4, 



didynamous. 3. LINNAEA. 



Shrubs ; stamens generally 5. 



Corolla rarely gibbous at the base, regular or nearly so. 4. SYMPHORICARPOS. 



Corolla gibbous at the base, irregular and bilabiate. 5. DISTEGIA. 



i. SAMBUCUS L. ELDER. 



Cyme not flat-topped, thyrsoid-paniculate ; the axis continuous. 



Fruit red or rarely yellow. i. 5". microbotrys. 



Fruit black. 2. S. melanocarpa. 



Cyme flat-topped, umbelliform, 4-5 -rayed ; the rays again variously compound ; 



fruit blackish. 3. S. neo-mexicana. 



1. Sambucus microbotrys Rydb. On hillsides from S. D. and Wyo. to Colo, 

 and Ariz. Alt. 7500-12,000 ft. Gore Pass; above Beaver Creek; Marshall 

 Pass ; Bob Creek, West La Plata Mountains ; Jack Brook ; west of Ouray ; 

 Ironton Park, nine miles south of Ouray; Front Range, Larimer Co.; Ojo; 

 Villa Grove ; Halfway House ; Pike's Peak ; Gray's Peak ; Little Veta Moun- 

 tain ; East Indian Creek ; Bottomless Pit, Pike's Peak ; Lake City ; Red River, 

 Franklin Co. ; between Sunshine and Ward. 



2. Sambucus melanocarpa A. Gray. In canons and ravines from Alb. and 

 Ida. to Colo, and Ore. Alt. about 9000 ft. Headwaters of Pass Creek; Clear 

 Creek Canon; Fish Creek Falls; Pinkham Creek. 



3. Sambucus neo-mexicana Woot. In the mountains of Colo., N. Mex. 

 and Ariz. Silver Plume. 



2. VIBURNUM L. ARROW- WOOD, SNOW-BALLS. 



Leaves palmately veined, usually 3-lobed ; fruit red. i. V. pauciflorum. 



Leaves pinnately veined, not lobed ; fruit blue or black. 2. V. Lentago. 



1. Viburnum pauciflorum Pylaie. In woods from Lab. and Alaska to Pa., 

 Colo, and Wash. Alt. about 8000 ft. Grand Lake ; Minnehaha ; Clear Creek. 



2. Viburnum Lentago L. In wood and on banks of streams from Me. and 

 Man. to Ga. and Colo. Gulch south of Boulder. 



3. LINNAEA Gron. TWIN-FLOWER, GROUND-VINE. 



i. Linnaea americana Forbes. (L. borealis Michx. ; not L.) In cold woods 

 from Greenl. and Alaska to N. J., Mich., Colo, and Utah. Alt. 8000- 

 13,000 ft. Beaver Creek; Graymont; Grand Lake; Chambers' Lake; Gray's 

 Peak; West Spanish Peak; Front Range, Larimer Co.; South Boulder Peak. 



4. SYMPHORICARPOS L. SNOW-BERRY, CORAL-BERRY. 



Corolla short ; open-campanulate. 



Fruit red; style bearded. i. 5". Symphoricarpos. 



Fruit white ; style glabrous. 



Style and stamens somewhat exserted ; leaves thick. 2. 5". occidentalis. 

 Style and stamens not exserted ; leaves rather thin. 3. S. pauciflorus. 



Corolla elongated, oblong-campanulate to salverform. 



