New Vieiv Points in Silviculture. 



209 



Himalaya Mountains 



Up to 13,200 feet. 



■? • ? ■ ?• ?■ "? ■ ? 



14° 



ASIA 

 Japan 

 (From Urupp north- 

 east, and from sea 

 up.) 

 Middle, at 8,250 ft.— 

 over 3,300. — Kwilen, 

 over 990. 



? ; ? ; ? ; ? ; ? ; ? ; 22° 



?■?■?•?•■?•>. 



49 



Sorbiis, Abies pindrau, Sorbtts, Alnus, Salix, Scrubby specimens of 

 Larix griffithii. Populus, Betula, the preceding zone, 



Pinus pumila, Picea 

 hondoensis, Picea 

 ajanensis, Larix kur- 

 ilensis, Larix leptole- 

 pis. 



especially the birches 

 {Taiga), Picea obo- 

 vata, Larix sibirica, 

 L. dahurica, cajan- 

 deri. 



Southern 



( Appenines, 8,250 ft. ; 



Balkans, 6,600 ft.) 



EUROPE 



Middle 



(Northern Alps) 



6,600 ft. 



Northern 

 Above 1,980 ft. 



46°— 50°; 80%; 16 in.; 34°— 37°; June; Aug.; 31° to 49°. 



In the north, birch shrubs, alders, willow^s, Picea excelsa, Pinus septen- 

 trionalis; in middle Europe, Pinus pumila, Picea excelsa, Pinus cenibrd, 

 Larix europaea. 



II. Moderately Cool Region of the Spruces, Firs and Larches. — The 

 Spruce, Fir or Larch Region. 



NORTH AMERICA 



Central Region Pacific Region 



(Rocky Mountains, (Sierra Nevada, 6,600 



over 3,300 ft. in ft. to 9,240 ft. ; Cas- 



north ; over 1,650 ft. cade Mts., 4,950 ft. to 



in South.) 8,910 ft.; Alaska, to 



1,650 ft, up to 550.) 



Atlantic Region 

 (Middle States, from 

 5,940 ft. ; Northern 

 States from 3,300 ft. ; 

 Canada, from 1,650 

 ft., northward to sea 

 coast.) 

 59°; 7S%— 80%; 16-23 

 m.; 43°; May; 

 Sept.; —40° (5° in 

 South). 

 Pyrus, Betula, Populus, 

 Salix, Abies balsam- 

 ea, fraseri, Tsuga 

 canandensis, Picea 

 alba, nigra, rubra. 

 Thuja, occidentalis, 

 Pinus strobus, resin- 

 osa, banksiana, Larix 

 laricina. 



?. ?. ?. ■?. p. ■?. ■? 



Pyrus, Betula, Picea 

 pungens, engelmanni, 

 Pinus contorta, aris- 

 tata scopulorum, 



Pseudo-tsuga, taxi- 

 falia var. glauca, 

 Abies lasiocarpa, con- 

 color, Juniperus 

 pachyphloea, Larix 

 lyalli, occidentalis. 



50° ; 80% ; 20 in. ; 43° ; 



?;?;3° 



Pyrus, Betula, Alnus, 

 Abies grandis, con- 

 color, nobilis, ama- 

 bilis, magnifica, 



Pinus contorta, mon- 

 ticola, balfouriana, 

 Hexilis, albicaulis, 

 ponder osa, Picea sit- 

 kaensis, breweriana, 

 Pseudo-tsuga taxi- 

 folia, Tsuga hetero- 

 phylla, mertensiana, 

 Larix occidentalis. 



