NOVA SCOTIAN MOSSES—SOMMERS. LE 
H. HAMULOSUM, Fol. 
Leaves hamulose ovate lanceolate serrate, nerveless, stem pro- 
cumbent pinnate sporangium, subcylindrical, lid conical acumin- 
ate, forming dark green patches, closely matted on rocks, and the 
boles of trees, bearing fruit in summer. 
H. scoRPOIDES, L. 
Stems procumbent, irregularly branched leaves imbricated, 
faleato secund, concave entire, nerveless or two nerved, sporan- 
gium, oblong curved cernuous, lid conical, beaked. Not common, 
in swampy woods, fruiting in spring and early summer. 
H. arctTicum. Somm. 
Stem creeping, branching irregularly, procumbent, branches, 
somewhat erect, leaves spreading, not squarrose, rigid entire 
nerved sporangium oval, cernuous, lid conical obtuse, forming 
dark green patches on rocks in running brooks, bearing fruit in 
May and during the Summer. 
PYLAISIA. polyantha. Schimp. 
Stem creeping, much branched, branches arched growing from 
the upper side of the stem, leaves secund turned upward, ovate 
acuminate, faintly two nerved or nerveless, entire, sporangium 
oblong, curved, fruitstalk long. Common on trunks and boles 
of trees, fruiting in September. 
ORDER.—Drepanophyllei. Mont. 
FISSIDENS. taxifolius. Hedw. 
Leaves crowded, lanceolate, mucronate, margin crenulate, 
fruitstalk long radical, sporangium oblong cernuous, lid beaked. 
Bearing fruit in September. In moist woods common. 
F. TAMARINDIFOLIUS. Donn. 
Leaves short, distant, spreading, elliptic, bordered entire, api- 
culate, sporangium ovate, curved, lid conical, acuminate, fruit- 
stalk arising from the base of the barren shoots, found in fruit 
in August, growing on roots of beech and other hardwood im 
damp: woods, not so common as the last. 
