520 l7. STEREODONTES. [ Plagiothecium. 
98. PraAGioTHECIUM, Schimp. Bryol. Europ. 
Musci caulibus in cespites latos congestis. Folia mollia, nitida, 
rarius obscura. Habitatio ad terram et rupes, etiam ad ligna 
putrida. 
Flores monoici. 
Folia media oblongo-lanceolata, lateralia late ovata subacuminata. 
l. P. novo-granatense. 
Folia media ovato-lanceolata, lateralia latiora subacuminata. 
2. P. denticulatum. 
Folia media ovato- oblongove-lanceolata, subacuminata, lateralia ovato- 
lanceolata ^... LS a 3. P. Donianum. 
Flores dioici. 
Folia media ovato-lanceolata, acuminata .... 4. P. lucidulum. 
Folia cochleariformi-ovata, brevissime acuminata. 
5. P. orthocarpum. 
l. P. Novo-GRANATENSE (Hampe in Linnea, xxxii. 531, Hypnum). 
Monoicum. Folia compressa, subsecunda, media oblongo-lanceolata, 
lateralia patenti-divergentia, late ovata, concava, subacuminata, nervis 
fere ad medium productis, marginibus subrecurvis, cellulis elongatis an- 
gustis latitudine 4555, longitudine ben uncizm metientibus; periche- 
Gala erecta, interna late oblonga, breviter acuminata, convoluta. Theca 
in pedunculo elongato, oblonga, inclinata horizontalisve, operculo conico 
acuminato. 
Hab. Andes Bogotenses, Cipacon in sylvis ad terram humosam (2600 
metr.) Lindig; in sylvis supra Pacho ad arbores (6500 ped.), Weir, 
n. 129; in descensu a planitie Bogotensi ad Fusagasuga, ad arbores pu- 
trescentes (6000 ped.), Weir, n. 236. Andes Quitenses, Tunguragua, ad 
terram umbrosam, Spruce, n. 1056, 1057. 
P. Doniano peraffine et vix nisi cellulis minoribus diversum. 
2. P. pENTICULATUM (Linn.; Dill.t. 34. f. 5, Hypnum). Monoicum. 
Folia distiche complanata, media ovato-lanceolata, lateralia patenti-diver- 
gentia, latiora, asymmetrica, apice subacuminata, subintegerrima, nervis bre- 
vibus, marginibus inferne recurvis, cellulis elongatis angustis ; perichzetialia 
breviora, conformia, erecta, convoluta. Theca in pedunculo elongato, ovalis, 
inclinata, sicca subplicata, operculo conico acuminato, peristomii dentibus 
luteis intus lamellatis, interni processibus ciliisque in unum capillare 
coalitis, articulis prominentibus zquilongis, in membrana usque ad den- 
tium longitudinis å exserta insidentibus. 
Hab. Peruvia ad Chachapoyas, Herb. Hooker. 
Folia nitida, pallide viridia, straminea vel lutescentia, cellulis longi- 
tudine qv; latitudine 42455 circiter metientibus. 
3. P. Dontanum (Sm. Eng. Bot. t. 1446, Hypnum). Monoicum. 
Folia distiche complanata, media ovato- oblongove-lauceolata, subacumi- 
