82 A HANDBOOK OF CONIFERS 



Leaves and buds like those of A. grandis, but glaucous not 

 dark green, with lines of stomata on upper surface. — A. 

 Lowiana. 



Leaves in a V-shaped arrangement, rigid, shining green, up to 

 1| in, long, ending in two sharp horny points ; shoots 

 slightly hairy in the furrows. — A. firma. 



Leaves up to about 1 in. long, the upper ranks the shortest ; 

 shoots hairy ; buds ovoid, non-resinous. — A. pectinata. 



Leaves in two or more ranks, similar in arrangement to A. 

 'pectinata or A. grandis, apex notched or ending in two 

 distinct points ; shoots red brown or purplish, glabrous 

 or hairy in the grooves ; buds ovoid resinous, reddish. 

 — A. Faxoniana. 



Leaves in a V-shaped arrangement, up to 2| in. long, notched 

 at apex, silvery white beneath ; shoots deeply grooved, 

 with reddish hairs in the grooves ; buds large, globose, 

 resinous. — A. Webbiana. 



Leaves arranged as in ^. Webbiana, but shorter, about 1 in, 

 long, often conspicuously curved, white beneath, margins 

 sometimes strongly recurved ; shoots reddish, glabrous or 

 slightly hairy; buds globose or ovoid, resinous. — A. 

 Delavayi. 



Leaves sharply pointed, not notched at apex ; shoots bright 

 red. — A. squainata. 



Resm canals median : — 

 Leaves slender, barely 1 in. long, stomata in 6-8 lines ; shoots 



smooth, grey with scattered erect hairs ; buds globose 



or conic, resinous, — A. balsa7nea. 

 Leaves as in A. balsamea but shorter and white beneath ; 



stomata in 8-12 lines ; shoots smooth, yellowish, with 



dense curved hairs ; buds globose, resinous, — A. Fraseri. 

 Leaves in a V-shaped arrangement barely an inch long, white 



beneath ; shoots deeply grooved ; buds conical, resinous. 



— A. brachyphylla. 



Leaves on lateral branches, overlapping and not pectinate above, 

 arranged below in two lateral sets : — ■ 



Resin canals marginal : — 



Leaves up to 1| in. long with rounded notched apex ; shoots 

 with scattered short hairs or the leading shoot glabrous ; 

 buds ovoid, brown, non-resinous. — A. Nordmanniana. 



Leaves arranged like A. Nordmanniana but of a darker green 

 with a truncate, notched apex ; shoots emitting an odour 

 of orange peel when cut, hairy ; buds small, globose 

 resinous. — A. amabilis. 



Leaves about 1 in. long, gradually tapering to the entire or 



