478 ABIETIA DOUGLASII. 



bracts in three four series; anther connective spurred; pollen grains 

 spherical. Cones terminal on short lateral branchlets, pendent, 

 ovoid-conic, 2*5 4 inches long, and 1 1*25 inch in diameter; 

 scales suborbicular with a short cuneate claw and obscurely sinuate 

 margin; bracts longer than the scales, narrowly oblong at the base 

 with a prominent midrib ; with two spreading lobes at the apex and 

 the midrib prolonged into a rigid linear awn. Seeds marked with an 

 irregular white spot and having a lenticular wing about one-sixth the 

 size of the scale. 



Abietia Douglasii, SUJ.H-O. 



Al)ies UcmglashV Lindley in Penny Cyclop. I. 32 (1833). London, Arb. et Frut. 

 Brit. IV. 2319, with tigs. Forbes. Pinet. Woburn. 127, t. 45. Hoopes, Ever- 

 greens, 189. Lawson, Pinet. Brit. II. 115. tt. 17, 18, and tigs. Gordon, Pinet. 

 ed. II. 24. 



Tsuga Douglasii, Carriere, Traite Conif. ed. I. 192 (1855). 



Psendotsuga Donglasii, Carriere, Traite Conif. ed. II. 256 (1867). McNab in 

 Proceed. R. Irish Acad. II. ser. 3, p. 703, tig. 32. Engelmann in Brewer and 

 Watson's Bot. Califor. II. 120. Beissner, Xadelholzk. 411, with figs. Masters in 

 Journ. R. Hort, Soc. XIV. 245. Macoun, Cat. Canad. Plants, 473. 



P. nmcronata, Sargent, Silva N. Amer. XII. 87, t. 607 (1898) 



Picea Douglasii, Link in Liimsea, XV. 524 (1841). 



Pinus Douglasii, Don in Lambert's Genus Finns, III. 163 (1837). Hooker, \V. 

 Fl. Bor. Amer. II. 162, t. 183. Endlicher, Synops. Conif. 87. Parlatore, D. C. 

 Prodr. XVI. 430. 



P. taxifolia,* Lambert, Genus Pinus, 51, t. 33 (1803). 



Eng. Douglas Fir. Amer. Douglas Spruce, Red Fir. Fr. Sapin de Douglas. 

 (Term. Douglas-Tanne, Donglas-Fichte. Ital. Abete di Douglas. 



var. glauca. 



A smaller tree with shorter, stouter branches, but distinguished 

 from the type chiefly by its foliage and smaller cones. The leaves 

 during the first season are bluish green above and more glaucous 

 beneath than in any of the older forms. 



A. Douglasii glauca. Pseudotsuga Douglasii glauea, Beissner, Xadelholzk. 419. 

 Abies coloradensis, Hort. 



var. macrocarpa. 



A smaller tree with longer and more distant branches that are usually 

 pendulous below, and with shorter, stouter winter buds and shorter 

 leaves. Its most distinctive character is its larger cones, often produced 

 in great numbers on the upper branches and which are 4 6*5 inches 

 long and 2 inches in diameter. 



A. Douglasii macrocarpa. Pseudotsuga Douglasii macrocarpa, Engelmann in 

 Brewer and Watson's Bot. Califor. II. 120. P. macrocarpa, Mayr. Wald Nord- 

 amer. 278. Sargent in Garden and Forest, X. 24, with tig. ; and Silva X. Amer. 

 XII. 93, t. 608. 



var. pendula. 



Branches quite pendulous with lax and drooping branchlets, and with 

 the leaves usually more glaucous on the under side than in the 

 common form. 



A. Douglasii pendula. Pseudotsuga Douglasii pendnla, Engelmann ex Beissner, 

 Nadelholzk. 417. Pinus Douglasii pendula, Parlatoiv. D. C. Prodr. XVI. 430. 



* This is the oldest specific name ; it \vas applied to the herbarium specimen gathered 

 by Men/ies in 1792, but was not taken up subsequently by any British author till it was 

 brought into use by horticulturists to designate a geographical variety. 



