14 
1894, p. 428. Porrius, 1903, p. 44. Syzven, 1906, I, p. 132, 
tab. IX. 
H. Mürter, 1881, p. 377, fig. 151, and (under the name of Em- 
petrum nigrum L.) p. 171, fig. 67. Schröter, 1904, pp. 129— 136. 
Material from West and East Greenland, Sweden and 
Norway. 
A dwarf shrub with a strong primary root. The branches 
are more or less prostrate (Fig.7 C), their lower parts are often 
hidden by moss and other plants and covered by soil; they 
may attain to a thickness of about 
one centimetre and are more or 
less curving. Roots often arise 
from the stem especially on damp 
soil, but they are generally hair- 
like; they may however become 
strong and then new plants may 
arise. 
According to Haczunn and 
Syrven the primary shoot dies in 
the second year or later (after 
Fig. 7. Loiseleuria procumbens. 4—5 years) and is replaced by 
(From West Greenland.) strong lateral shoots. 
A, Part of a shoot showing the mode of 2 3 
branching; 7 signifies the main axis, and The year s shoots are bran- 
II a lateral axis of the ist order. B, A £ PRE 
similar shoot; to the leaf a belongs the ched; the first internode of the 
Branch ag; to, tg; to.c/ eG, A flowering. branches of the first- order mE 
branch (reduced one-half). (E. W., 1907.) 
elongated (Fig. 7). Scale-leaves 
are absent, but the basal parts of the leaves are erect and 
protect the young parts which occur between them (Fig. 7). 
The leaves live a couple of years (according to Haczund three 
years) and after death may sometimes persist for a long time, 
black and decaying upon the branches, before they crumble away 
and turn into mould; but as a rule they disappear quickly. 
The branches sometimes continue growing for several 
years before they are stopped by an inflorescence. At the 
