132 Carsten Olsen. 



shoot, others remain dormant. The runners, which attain 

 a length of up to 30 centimeters, fmally turn their apex 

 upwards, forming a stem with fohage-leaves, terminating 

 with an inflorescence or else remaining vegetative. The perpen- 



Fig. 1. Cornus suecica. 

 A, Flowering Plant ; B, Apex of Runner (Godthaab, Greenland) ; A. about ^/4, B, -ji. 



dicular part of the shoot commences with a series of pairs 

 of scale-leaves, red while fresh, but withering quickly; their 

 number varies from 3 to 9 pairs, and is as a rule 5. The 

 foliage leaves develop next, Danish specimens showing 4 to 

 8 pairs, those from the arctic 3 to 4 only. 



