Мовтем P. PorsiLp. 
+ 
€ 
130 
Summary of distinguishing characters, stated by various authors. 
Groth ormene 
leaves alone. ere 
length of leaves, mm..... 
breadth of leaves, mm.... 
ib, average... ante 
upper surlace of leaves 
Па. 
ealyaeteethr er. 
о. 
length of stamens........ 
size of capsule, mm..... 
NOM Ol CASE, 30000050 0 
style of ripe capsule .... 
base of ripe capsule-valves 
pedunele of ripe capsules. 
climate of occurrence... 
geographical range ....... 
Ledum palustre. 
a small, erect, not much 
branched shrub, up to 1m 
linear 
15—27—45 
1,5—8—6 
8—9 
mostly smooth 
ovoid 
rather long ciliate 
mostly 10 
longer than corolla 
2,0 X DT 
ellipsoid 
thin, as long as the capsule 
distinctly recurved 
from a straightish base 
evenly curved 
boreal, continental, lowland 
Northern Eurasia, ? Western 
N. America 
Ledum decumbens 
a decumbent, much bran- 
ched shrub, up to 0,5 m 
narrow linear 
1—13—21 
1—1,75—3 
1—8 
areolate wrinkled 
ovoid 
short ciliate 
mostly 10 
longer than corolla 
РОК Sart 
ovoid or subglobose distinet- 
ly smaller and shorter 
thick, often shorter than 
capsule 
indistinctly or not recurved 
abruptly bent under the 
capsule, otherwise near- 
ly straight 
arctic or alpine, also near 
the coast 
Eastern Arctic Asia, Arctic 
N. America, W. Greenland 
Ledum groenlandicum. 
an erect, not much bran- 
спе shruh op to Im. 
oblong 
11—20—35 
3—6—13 
2—3 
coarsely areolate wrinkled 
subglobose 
short or indistinctly ciliate 
5—7 
like the corolla 
D AL SK А —0 
ellipsoid or subeylindrie 
thin, distinctly longer than 
capsule 
not recurved 
evenly arcuated through 
their whole length 
boreal, lowland 
Northern America, South- 
ern Greenland 
