s QAO wie 
14.Neckeropsis Reichardt (rather a subgenus of Neckera). 
1.N.undulata Hedwig. — Neckera H.; Neckeropsis Reich. 
Leaves undulate sublinear-lingulate with broader and cordate | 
base, faintly denticulate all around; upper cells rhombic, middle | 
and lower lanceolate-linear. Stem creeping. »Capsule immersed - i 
cylindric-oblong; teeth yellow; segments carinate as high; calyptra | : 
mitriform sparingly hairy»: C. M. syn. — Trees r. Amer. U. | 
S.: Fitzgerald, com. Renauld. (Cuba: Wright, com. C. Mosis d 
2.N.disticha Hedwig. — Neckera H.; Neckeropsis Kindb. : 
Leaves not undulate, sublingulate entire or above middle : 
indistinctly denticulate; upper and middle cells rhombic-oval, - 
basal and lower marginal linear. »Capsule subemergent oblong- | 
cylindric; teeth pale; segments as high, split to” base; calyptra | 
conie dimidiate glabrous»: C. M. syn — Trees r. Amer. U. S: - 
Austin, com. Macoun. 
15. Porotrichum Bridel. a 
1.P.Bigelowii Sullivant. — Hypnum Sull.; Porotrichum Kindb. - 
Leaves distant nearly plane, but involute at. one side of base, : 
obtusate acute sharply serrate above, sublinear-lanceolate or sub- - 
lingulate; upper cells hexagonal-oval, middle oblong, lower ; 
sublinear; costa smooth Jong not pereurrent, sometimes forking | 
above. Capsule obovate; lid long-rostrate; pedicel curved above. - 
Branches distant, Tufts bright green often glossy. — Wet- 
rocks r. Amer. Pacif. distr. Can. Macoun. U. S.: Mrs L. ©. 
Feely; E. Hall, com. Macoun; com. -Renauld and Cardot. di 
Fam. 6. Leptodontacez. 
16. Leptodon Mohr. 2 
l.L.abietinus Hooker. — Neckera Hook. Leptodon Kindb.; i 
Alsia Sulliv. ic. musc.; Leptodon circinnatus Sull. d 
Leaves serrulate gen. in upper third, mamillose-spinulotf : 
above at back and costa, more or less acuminate, acute Ot. 
subobtuse at apex, gen. ovate-oblong or (those of stem) ovate- 
lanceolate, recurved below, often involute at acumen; cells very - 
small and gen. oblong-linear, alar sometimes subquadrate; costa - 
long not percurrent. Inner perichetial leaves convolute obtusate | 
apiculate. Capsule red oval-oblong; teeth whitish; segments 
long rimose; calyptra and vaginula glabrous, Stem us. erect, 
sometimes bipinnate, its naked part us. long; branches crow- 
ded not flagelliferous; paraphyllia broad fimbriate. — Trees 
and rocks r. Amer. Pacif. distr. Can: Macoun. U. S.: Bolender. 
com. C. Mueller; Miss Mann, com. Cardot; Mrs L, C. Feely; 
Hall, com. Macoun; Leiberg, com. Mrs Britton, s! 
