20l] FLORA OF BOULDER, COLORADO 53 



Subkingdom IL SPERMATOPHYTA. Seed plants. 

 Class I. GYMNOSPERMAE. 



Order 5. FINALES. 

 Family 6. PINACEAE Lindl. Pine family. 



14. PINTJS L. Pine. 



18. P. scopiilonim (Engelm.) Lemmon [P. ponderosa scopu- 

 lorum Engelm.]. Bull pine. 



Common on the higher mesas, foothills, and mountains, 

 5700-10000 ft. (Daniels, 97). 



South Dakota and Nebraska to Montana; Texas to 

 Arizona. 



19. P. contorta Murrayana (Oreg. Com.) Engelm. Lodge 

 pole pine. 



Mountains about Ward, and between Sugarloaf Mt. and 

 Glacier Lake, 7000-10000 ft. (Daniels, 302). 

 Montana to Alaska; Colorado to California. 



15. APIFUS Necker. Cembra pine. 



20. A. flexilis (James) Rydb. [Pinus flexilis James]. 

 Rocky Mountain white pine. 



Rare on high ridges of Green Mt.; also at Ward, 7300- 

 iiooo ft. (Daniels, 771). 

 Alberta to Texas and California. 



16. PICEA Link. Spruce. 



21. P. Engelmanni (Parry) Engelm. Engelmann spruce. 

 Bear Canon; Boulder Canon near Falls; common upon the 



main range of the mountains, 7000 (Bear Cafion) -iiooo ft. 

 (Daniels, 294). 



Alberta to British Columbia; New Mexico to Arizona. 



22. P. Parryana (Andree) Sarg. [P pungens Engelm.]. 

 Blue spruce. 



Common in canons throughout, 6500-10000 ft. (Cockerell); 

 Fourth of July Mine; South Boulder Canon (Ramaley). 

 Wyoming and New Mexico to Utah. 



