THE SILVA OF COLORADO 61 
Altitude: 4,900 to 6,000 ft. Collections: near Boulder; Gregory Canyon; St. 
. Vrain Creek below Lyons; “near Boulder” (Rydberg). 
Vitis vulpina Linn. WILD GRAPE 
Altitude: 4,900 to 7,000 ft. Collections: Sunshine Canyon; mouth of Gregory 
Canyon; St. Vrain Creek below Lyons; mouth of Boulder Canyon; “Boulder” (Ryd- 
berg). 
ELAEAGNACEAE, OLEASTER FAMILY 
Lepargyraea canadensis (Linn.) Greene. BUFFALO BERRY 
A low shrub with leaves dark green above and silvery below. In woods and some- 
what shaded places. 
Altitude: 6,500 to 10,000 ft. Collections: near Magnolia; head of Gregory Canyon; 
Sugarloaf Mountain; Eldora; Spencer Mountain at Eldora; “Eldora to Baltimore” 
(Rydberg). 
ARALIACEAE, ARALIA FAMILY 
Aralia nudicaulis Linn. WuiLpD SARSAPARILLA 
Although this is hardly a woody plant it is included here because sometimes mistaken 
for poison ivy. Gulches and under deciduous trees and shrubs. 
Altitude: 5,000 to 8,000 ft. Collections: South Boulder Canyon; “Boulder” (Ryd- 
berg). 
CORNACEAE, Docwoop FaAMILy 
Cornus stolonifera Michx. DoGwoop 
A shrub with red twigs and ovate leaves, the latter with distinct venation. Stream- 
banks and gulches. 
Altitude: 5,000 to 9,000 ft. Collections: Gregory Canyon; South Boulder Canyon; 
near Boulder Falls; Sugarloaf Mountain. 
ERICACEAE, HEatH FAMILY 
Arctostaphylos uva-ursi (Linn.) Spreng. KINNIKINIK, BEARBERRY 
A prostrate, thick-leaved, evergreen plant of hillsides and mesas. Very common. 
Altitude: 5,500 to 10,500 ft. Collections: South Boulder Canyon; Sugarloaf Moun- 
tain; Pine Glade School; Eldora; Copeland’s. 
Gaultheria humifusa (Graham) Rydb. CREEPING WINTERGREEN 
Altitude: 10,000 to 11,000 ft. Reported by Mr. D. M. Andrews from Fourth of 
July Mine. 
Kalmia microphylla (Hook.) Heller. Dwarr LAUREL 
A low, delicate woody plant with handsome pink flowers. It occurs in swampy 
places at the foot of the main range. 
Altitude: 10,000 to 11,000 ft. Collections: Camp Albion; foot of Arapahoe Peak; 
Fourth of July Mine; “Caribou” (Rydberg). 
VACCINIACEAE, HuckLEBERRY FAMILY 
Vaccinium caespitosum Michx. Dwarr BILBERRY 
A stiff, much-branched shrub with small leaves and small, blue, edible berries. In 
coniferous forests and on open hillsides. 
Altitude: 8,000 to 11,000 ft. Collection: ‘‘Eldora to Baltimore” (Rydberg). 
