us MER uum 
11. Anacamptodon Bridel. 
1.A.splachnoides Froehlich. — Orthotrichum Fr.; Anacampto- 
don Brid. 
Leaves entire ovate-oblong short-subulate; inner cells suboblong; 
costa vanishing near middle. Capsule suboblong or oval with 
Short neck; teeth dark purplish united in pairs, much longer 
than segments; lid rostellate; pedicel long thick reddish. Mo- 
noecious. -— Rotten branches of trees r. Hur. France: Schimper; 
Husnot; Berthoumieu. Amer. »U. S.»: C. M, 
Fam. 4. Pterobryacee. 
(Endotrichaccee Kindb. in »Genera of Eur. and N. Amer. 
Bryinez».) 
12. Pterobryum Hornschuch. 
l.P.eymbifolium Sullivant. — Pilotrichum Sull. ic. m.; Ptero- 
bryum Mitten. 
Leaves coneave from ovate-oblong base gradually short-acu- 
minate, not recurved; lower basal cells orange, alar very nu- 
merous; costa reaching to acumen. Perichetial leaves nerveless. 
Stem subpinnate above; branches turgid julaceous. Capsules 
unknown. — Amer. r. U. S. Florida: Sullivant, com. C. Mueller. 
2.P.Ludovicia C. Mueller. — Neckera C. M.; Pterobryum 
Kindb. 
Differs from the last: Leaves longer-acuminate abruptly nar- 
rowed; alar cells less numerous; costa pereurrent or vanishing 
in acumen.  Perichetial leaves with long-excurrent costa. Cap- 
sule exserted; pedicel short; peristome not seen. — Trees r. 
Amer, U. S.: com. Macoun and Cardot. 
Fam. 5. Neckeracee. 
13. Neckera Hedwig. 
A. Capsule not annulate Stem us. pinnate. 
a. Leaves with long sharply dentate-spinulose acumen; upper 
cells narrow; costa short double or indistinct. 
I. Douglasiella. Leaves us. undulate. Capsule more or less 
emergent; endostome as high as teeth.  Dioecious. 
b. Leaves obtügate or short-acuminate, not or faintly denticulate; 
Upper cells gen. wide. 
aa. Leaves with long simple costa. Endostomial segments long. 
Paraphyllia us. numerous. | ; sab 
Il. Menziesiella. Leaves undulate. Capsule immersed, Di- 
oecious, 
