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The Species of the Genus Larix 
with stomata. The young shoots stout, and of 
reddish-brown colour............. 6. L. Kaempferi. 
B. The cone-scales straight or somewhat concave. 
The leaves flat, or slightly keeled on the 
under-side. 
a) The cone-scales distinctly concave. 
1. Cones 1,5—2 cms. long. The cone-scales 
smooth, often shining........ 10. L. laricina. 
2. Cones narrow, 3—4 cms. long. The scales 
pilose, most frequently strongly so on the 
outer-side of the basal portion; dull... .. 
8. L. sibirica. 
b) The cone-scales straight. 
1. Cones 2,5—4 cms. long, narrow. The scales 
dull, the free edges evenly rounded or 
slightly emarginate. The bracts are of the 
same light colour as the cone-scales, 
which are smooth or pilose on the outer 
side. The cone is compact. The scales 
open only sligthly when ripe . . 9. L. decidua. 
var. polonica. The cone is more frequently 
smaller, shorter, and thicker. The free 
edges of the cone-scales are more 
rounded, and often pilose on the outer- 
J side. 
| | 2. The cones up to 2 cms. long; broad. The 
free edges of the cone-scales are truncate 
or emarginate. The bracts are darker in 
colour than the light-coloured, shining, 
cone-scales. The cone-scales are most 
frequently smooth on the outer-side, but 
may be slightly pilose. The cones as a whole 
