58 Nr. 2. C. H. OSTENFELD and C. SYRACH LARSEN: 
161 a and 161 b), and together with other specimens, 
shows modifications towards var. olgensis. 
The types of the two varieties have been taken from 
localities lying as far apart as possible, and for this reason 
it is only natural that careful investigation within the 
Fig. 19. L. Gmelini var. Principis Rupprechtii (Mayr) Ostf. & Syrach L. 
China, Shansi, Wutai village (leg. W. Purdon, 1909), (large-coned). (Nat. 
size, upper row dry, lower row wet). 
radius of distribution has led to the discovery of material 
showing less pronounced differences than the types, but 
which, on the other hand, illustrate the transitional stages 
from the one to the other. 
BREITSCHNEIDER found var. Principis Rupprechti during 
his ascent of the mountain Po-hua-shan on the west of 
Peking, where, apart from its having been planted near the 
temple on the summit of the mountain at a height of about 
2200 m. above sea-level, it was also found scattered on the 
slopes of the mountain (Peterm. Mittl. 1876, No. 46, pp. 37— 
