Henky and Flood — The Douglas Firs. 69 



T. — Ameimcanak. Leaves umlivided :it, Llie apex. 



1. P. Donrjlam, Carri^re. Pacific Coast llegion of Noitli America. 

 Branchlets pubescent. Leaves thin, Hat beneath, with flagrant pine-apple 

 odour. Cones .3 to 4 inches long, witli straight erect bracts. 



Var. caesia, Schwerin. Northern Eocky Mountains. This differs from 

 the type in the glabrous branchlets, thicker needles, and smaller cones, 

 2^ inches long. 



2. P. (jlauca, Mayr. Eocky Mountains, Colorado to Mexico. Branchlets 

 variable in pubescence, often glaucous. Leaves thick, rounded beneath, with 

 strong turpentine odour. Cones 2 to 3 inches long, with rellexed bracts. 



3. P. macromrpa, Mayr. Southern California. Branchlets variable in 

 pubescence. Leaves thin, flat beneath, ending in a cartilaginous point. Cones 

 very large, .3.^ to 7 inches long, wiili erect straight bracts. 



1 1. — AsiATlCAF. Leaves bifid at the apex. 

 * Branchlets glabrous. 



4. i*. y«7;o?aVff, Beissner. Japan. Leaves about 1 inch long. Cones small, 

 about Lo inches long, with short reflexed bracts. 



** J3ranchlets pubescent. 



5. P. sinensis, 'DoAe. N.-E. Yunnan, China. Leaves 1} inches long. Cones 

 2 inches long, with short reflexed bracts. 



6. P. Forrestii, Craib. W. Yunnan, China. Leaves nearly 2 inches long. 

 Cones 2j inches long, with long reflexed bracts. 



7. P. Wilsoniana, Hayata. Formosa. Leaves :| inch long. Cones 2 to 2^ 

 inches long, with short reflexed bracts. This species is possibly identical with 

 P. sinensis, Dode. 



Pseudotsuga Douglasii. Oregon Douglas Fir. 



Pseiidotsiu/a Dougladi} Carriers (1867). 

 Pseudotsuga mtio-onata, Sudwoith (1895). 

 Pinus taxifolia, Lambert (1803). 

 Pseudotsiuja taxifolia} Britton (1907). 



The Oregon Douglas Fir attains 300 feet or more in height. Branchlets 



' TseudotiWju Douylasii is the first name of the species umler the correct genus, nnd is 

 the ntime that has been generally used for many years by foresters, nurserymen, and 

 botanists in Europe. Psendats^tga taxifolia, founded on the earliest specific nnme, is 

 generally adopted in America, and is in accordance with the Vienna RuKs of 

 JTomenclatm-e, 



