ENUMERATION OF CONIFERS 



283 



Engclmanni. 



bruised: flowers purple: cones oval- to cylindric-oblong, light brown, lJ^-3 

 inches long; scales thin and flexible, rhomboidal, narrowed and truncate or 

 rarely acute at the erose-denticulate apex. British Columbia and Alberta to 

 Oregon, Arizona and New 

 Mexico. — Introduced in 

 1862 to the eastern States 

 and in 1864 to Europe. 

 Hardy as far north as Sas- 

 katchewan. A very orna- 

 mental tree varying in the 

 color of its foliage. 



Var. glauca, Beiss., has 

 bluish or steel-blue, and 

 var. argentea, Beiss., 74. Pkc 



silvery-gray foliage. 



Var. Fendleri, Henry, has pendulous branchlets and longer and slenderer 

 leaves often slightly exceeding 1 inch in length, with 4 rows of stomata on 

 each side above and half as many beneath. Supposed to have come from New 

 Mexico. 



21. P. pungens, Engelm. (P. Parnjana, Sarg. Abies Menziesii, Engelm., 

 not Lindl.). Colorado S. Fig. 75 and Plate XXXVIII. Tree 80-100, or 

 occasionally to 150 feet, with horizontal stout branches in rather remote 

 whorls, forming a broad regular pyramid; winter-buds with brownish-yellow 

 usually reflexed scales; branclilets glabrous, bright yellowish-brown: "leaves 



more or less radially 

 spreading, quadrangu- 

 lar, rigid, incurved, 

 spiny-acuminate, blu- 

 ish-green to silvery- 

 white or rarely dull 

 green, %-l }i inches 

 long, with 2 resin- 

 ducts: cones cylindric- 

 oblong, light brown and 

 glossy, 23^-4 inches 

 long; scales rhomboidal, narrowed 

 and erose at the apex. Wj'oming to 

 Colorado, Utah, and New Mexico. — 

 Introduced to the eastern States in 

 1862 and to Europe in 1877. Hardy 

 far north as Saskatchewan. A 

 very handsome tree of symmetrical 



75. Picea pungens. 



