PINACE^ 83 



notched apex, arranged like those of A. Nordmanniana but 

 much less crowded ; shoots minutely hairy, grooved ; 

 buds shortly cylindrical, resinous. — A. religiosa. 

 Leaves less than 1 in. long ; shoots brown with dense chocolate- 

 coloured hairs ; buds small, globose, resinous. — A . Mariesii. 



Resin canals median : — 

 Leaves up to 1 in, long, very white beneath ; stomata 9-10 



lines ; shoots smooth, densely hairy ; buds resinous. — A. 



Veitchii. 

 Leaves up to If in. long, slender, white beneath ; stomata in 



7-8 lines ; shoots hairy in the grooves ; buds resinous. — 



A. sachalinensis. 

 Leaves up to 1| in. long, slender ; stomata 4-5 lines ; shoots 



ashy-grey, with scattered, minute hairs ; buds globose, 



resinous. — A. sibirica. 



Leaves glaucous or greyish green, partly appressed to the branch- 

 let and curving upwards : those on lower side of the 

 shoot in two lateral sets : — 



Leaves flattened, grooved on the upper surface, concealing the 

 shoot, which is covered with reddish-brown hairs. — A. 

 nohilis. 



Leaves quadrangular in section, not grooved on the upper 

 surface, not completely concealing the shoot. — A. magnified. 



Leaves on lateral branches either like Fig. 14 or Fig. 23 and 

 depending upon the vigour of the shoots : — 

 Leaves arranged like A . Nordmanniana but less white beneath 

 and often acute at apex ; buds ovoid, acute, non-resinous ; 

 the tips of the scales slightly spreading. ^. cilicica. 

 Leaves either showing a V-shaped arrangement or standing 

 vertically on the shoot and directed backwards, up to | 

 in. long, with stomata on both surfaces ; buds ovoid, non- 

 resinous. — A. numidica. 



Leaves irregularly arranged, those on the lower side of the shoot 



not truly pectinate : — 

 Leaves all directed more or less forwards, bright green, up 



to 2 1 in. long, apex ending in two horny points ; shoots 



grey, glabrous. — A. Pi7idroiv. 

 Leaves imperfectly pectinate, some in the middle line directed 



forward, glaucous green, apex entire ; shoots smooth, 



olive-green, glabrous ; buds large, conical, resinous. — 



A. concolor. 

 Leaves imperfectly pectinate or crowded on upper side of shoot 



1| in. long, entire at apex, with lines of stomata on both 



surfaces ; resin canals median ; shoots hairy ; buds small, 



resinous. — A. lasiocarpa. 



