(122) 
slender, elongated stems and more entire leaves. Some of 
the perichaetial leaves are only } mm. wide and up to 34 
mm. long, without teeth, the margin being slightly sinuate 
only toward apex. ‘These specimens agree in inflores- 
cence and in every other way with specimens from Green- 
land, and labeled sphagnzcola apparently in Schimper’s own 
handwriting. Some half dozen other specimens in the 
‘¢Garden” collection from Europe and labeled sphagnicola 
are very different plants (647). 
Pohlia commutata Lindb. (Webera commutata Schimp.) 
Lake Lindeman. On sandy bank by stream. This species 
may usually be distinguished from our other Wederas, I be- 
lieve, by the comparatively broad, short leaves, ovate rather 
than lanceolate, mostly 1-4, excepting a few perichaetial, 
the only other species approaching it in this respect being 
cucullaia, which is paroicous (645). 
Pohtia gracilis Lindb. (Webera gracilis De Not.) On 
shaded, moist sand bank of the Klondike River just above 
Dawson. ‘The specimens are not fruiting but bear abundant 
red bulbs in the axils of the leaves, often 4 or 5 on the same 
stem. ‘The bulbs measure about .260 by .375 mm. and are 
readily observed at some distance by the naked eye. They 
are borne on a very short stalk that comes out from the stem 
some little distance above the attachment of the leaf (646). 
Pohlia proligera Lindb. (Webera proligera (Lindb.) 
Kindb.) Lake Lindeman in marshy place. A dioicous, very 
pale-colored plant, with elongated, spindle-shaped, more or 
less vermicular brood-bodies, clustered in the axils of the 
leaves. These bodies are quite variable in size and shape. 
They usually consist of several series of cells somewhat twisted 
together but apparently always terminating in a single pointed 
cell and measure about .020 by .200 mm., or even larger. 
The median leaf-cells are about .120 by .008 to .o10 mm. 
(803). : 
Bryum arcticum B. & S.* Dawson, on earth in rather dry 
* The Bryums have all been submitted to M. Philibert for determination 
and he has indicated several new species, the descriptions of which, how- 
ever, have been drawn up by the author. 
