TRANSACTIONS 
OF THE 
Hova Scotian Hustitute of Natural Science. 
ART. 1.—A CONTRIBUTION TOWARDS THE STUDY OF NoVA SCOTIAN 
Mosszs.—By JoHN Sommers, M. D., Professor of 
Psychology and Microscopy, Halifax Medical College; 
and Lecturer on Zoology in Technological Institute. 
(Read November 11, 1878.) 
THE present contribution is a continuation of the study of N. 
S. Mosses, published in last year’s Transactions. 
It will be observed that both the present and previous papers 
exhibit a want of systematic arrangement, inasmuch as there 
will be found a repetition of genera and orders; a necessary re- 
sult this of the manner of their preparation, and representing, as 
they do, the work of successive seasons, the species collected being 
various, their description as a whole will appear irregular, a 
difficulty which it is hoped will be overcome at a later stage by 
the formation of a catalogue of all the species described in these 
contributions. 
ORDER NECKEREI.. Mont. 
. NECKERA. pinnata, Hedw. ‘ 
Stems pinnate flat, leaves ovate-lanceolate acuminate, nearly 
entire, nerveless sporangium ovate, oblong, immersed, growing on 
trunks of trees, fruiting in September. 
Orp.—Hypnes. Br. & Schimp, Mont. 
Hypnum. Schreiberi. Willd. 
Leaves imbricated crowded, stems: irregularly branched, the 
‘branches pinnate, sub-erect, sporangium oblong, ovate cernuous, 
lid conical, forming yellowish or golden green patches in pine 
avoods, and on exposed banks very abundant, but rare in fruit ; 
