8 
PINACEAE. 
Alt. 5000-10,000 ft.—Mountains, Veta Pass; Mancos; Ouray; Minnehaha; 
Georgetown; Horsetooth Mountain. 
3. Pinus Murrayana Oreg. Com. Lodge Pole Pine, Black Pine. Hills 
and mountains from Mont, to Alaska, Colo, and Calif.—Alt. 5000-10,000 ft.— 
Mountains near Veta Pass; Pallas and Sydney; Dillon; Mount Ouray; 
Breckenridge; Cipango; Baxter’s ranch; North Park; Como. 
2. CARYOPITYS Small. Pinons, Nut Pines. 
Cones about 3 cm.; leaves usually in pairs, seldom in threes. 1. C. edulis. 
Cones 4-5 cm.; leaves singly or rarely in pairs. 2. C. monophylla. 
1. Caryopitys edulis (Engelm.) Small. ( Pinus edulis Engelm.) Dry foot¬ 
hills and table-lands from southern Wyo. to western Texas, northern Mex., 
Ariz. and Utah.—Alt. 4000-9000 ft.—Glen Eyrie; Cedar Creek; Red Rock 
Canon; Mancos; Salida; Florence; Manitou; Buena Vista; Grand Junction. 
2. Caryopitys monophylla (Torr. and Frem.) Rydb. ( Pinus monophylla 
Torr. and Frem.) Dry hills and mountain slopes from Utah to Calif., Lower 
California and Ariz. One specimen from Colorado seems to belong here.— 
Manitou. 
3. APINUS Necker. Cembra Pines. 
1. Apinus flexilis (James) Rydb. ( Pinus dexilis James) Rocky Moun¬ 
tain White Pine. Mountains from Alb. to western Texas and southern 
Calif.—Alt. 7500-11,000 ft.—Clear Creek, Middle Park; Ojo; Graham’s Park; 
North Park; Minnehaha; Beaver Creek; Chambers Lake; Manitou. 
4. PICEA Link. Spruces. 
Branchlets pubescent; cones 3-5 cm. long. 1. P. Engelmannii. 
Branchlets glabrous ; cones 5-9 cm. long. 2. P. Parry ana. 
1. Picea Engelmanni (Parry) Engelm. Engelmann Spruce, White 
Spruce. Mountains, especially on the north sides, from Alb. to B. C., Ore., 
Ariz. and N. M.—Alt. 8500-12,500 ft.—Empire; Buffalo Pass, Park Range; 
Mount Baldy; Wahatoya Canon; Bob Creek, La Plata Mountains; Grand 
Lake; Cameron Pass. 
2. Picea Parryana (Andree) Sarg. (Picea pungens Engelm.) Blue 
Spruce, Colorado Spruce. Mountains especially along streams from Wyo. to 
Utah and N. M.—Alt. 6500-10,000 ft.—Empire; near Pagosa Peak; Crystal 
Park; Wahatoya Canon; Cameron Pass. 
•' 
5. PSEUDOTSUGA Carr. Douglas Spruce, Red Fir. 
1. Pseudotsuga mucronata (Raf.) Sudw. Douglas Spruce, Red Fir. Hills 
and mountains from Alb. to B. C., Calif., northern Mexico and western Texas. 
—Alt. 6000-11,500 ft.—Pagosa Peak; South Cheyenne Canon; Colorado 
Springs; Como; State Bridge, Grand River; Boulder; Manitou; Minnehaha; 
Mancos; Placer; hills about Ouray; Cameron Pass; Pingree Hill; Stove 
Prairie. 
