10 DICRANUM. 
Gen. XX. DIDYMODON. 
Sefa terminalis, _Peristomium simplex e dentibus 16 vel 32 per 
paria approximatis vel ad basin unitis. Calyptra dimidiata. 
l. D. gracile; caule dense cespitoso elongato, foliis lanceolato-su- 
bulatis pilo longo colorato terminatis, capsula erecta cylindracea, 
operculo subulato, calyptra ciliata. (Ta. V. 
Has. In monte ss megione temperata, Andes de Cundinamara. 
Humboldt et Bonplan 
D. squarrosum ; nae ay ongato flexuoso ramoso, foliis undique pa- 
tentibus squarrosis longe lanceolatis flexuosis carinatis serratis, 
oe capsula ep tindlnnees; operculo longe subulato. (Tas. 
L 
Has. In Nepal. Hon. D. Gardner. 
3. D.? omer caule subelongato simplice, foliis lingulatis re- 
ti tis inte gerrimis, nervo sub summum a: apicem evan ae e, seta 
breviuscula, capsula cylindracea, epee conico. (Tas. LXXVI.} 
Weissia obtusa. Brid rid. Musc. Suppl. v .11 
Has. In meso Antillarum. Prof Ric hard. E Sancti Dominici insula 
communicavit D.Coulon. In Hispaniola, ubi Poiteau legit et com- 
casi ‘(in Bridel 
Bridel’s character of his Weissia obtusa is eit: excellent to allow me 
for a Spy to doubt of its being the same as my D.? splachnifolium 
© trunco erecto Supbre longiusculo, foliis oad ovatis obtusis pellu- 
on capsula er oblonga, operculo subconico brevi.” In a subse- 
quent public ata ‘to, he adds, it is found “ in- omnibus Sosa 
Richard.” of the Genus, however, I should add, he speaks with dou 
for he says, “ Peristomatis dentes, quantum in statu valde leso cernere 
est, erectiusculi, crocei, sedecim numero et forte geminati, tuncque 
plantula nostra Swarzia vel Didymodon esset.” 
Gen. XXI, DICRANUM. 
Sela terminalis. Peristomium simplex e dentibus 16 bifidis; 
ee dimidiata, 
. D. fragile; caule elongato ramoso, foliis subsecundis subulato- 
setaceis serratis siccitate subflexuosis, pericheetialibus basi vagi- 
natis, capsula erecta cylindracea. (Tas. CXXIV. 
As. In Nepal legit Hon. D. Gardner, et J. Banks Baroneto commu- 
nicavit Gul. Wallich, 1 _D. 
2. D. concolor; caule elongato ramoso, foliis undique vergentibus e 
basi anguste lanceolata pram subulato-setaceis auuneas 
mis, nervo latissimo, seta flexuosa, capsula ovata striata » 
calyptra fimbriata. (Tas. CXXXVI 
Has. In alto de Aranda, locis frigi S, prope Pasto ( eon Novum 
- Granatense) altit. 1560 em ‘Humboldt et Bonplan 
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