HYPNOIDEAE.  NECKERA. 109 
cunda laxe imbricata, magis acuminata; theca in ped. 
breviter exserto flavido dein rubente laevi furgide ovalis 
microstoma, subannulata, operculo oblique rostrato; pe- 
rist. d. ext. latius lanceolati robustiores perforati, interni: 
membrana brevissima truncata. 
Leucodon curvirostris Hmp. Ic. Musc. t. 16. 
Patria, Mexico: C, Ehrenberg. 
120. N. €ryptotheca C. Müll.; cespites robusti laxi; 
caulis repens, ramis assurgentibus crassis robustis-densi- 
foliis altiusculis luteo-viridibus parce divisis flexuosis, 
obtusis humore apice stellatis; folia caulina densissime 
imbricata parum secunda, humore patula, late ovata bre- 
viter acuminata, concava, robusta stricta majuscula, mar- 
gine ubique late revoluto integerrimo v. crenulato, plicis 
distinctis pluribus, nervis nullis, cellulis anguste oblongis 
incrassatis recte seriatis, basi fuscis, alaribus minute ro- 
tundatis oblique seriatis; perichaetia exserta pallida elon- 
gata cylindrica, foliis longe lanceolato -acuminatis convo- 
lutis integerrimis; theca in ped. sessili v. parum exserto 
turgide ovalis, operc. conico acuminato rectiusculo; perist. 
simplicis dentes externi breves lanceolati obtusiusculi, li- 
nea longitudinali hic illic secedente exarati, albidi articu- 
lati laeves. i 
 Leucodon Cryptotheca Hmp. 1c, Musc. t. 17. 
Patria. Mexico: C. Ehrenberg. 
A N. sciuroide notis cursive impressis certe distincta, 
a JV. brachypode statura robustissima jam primo adspectu 
distans. Forte dioica. 
121. N. Canariensis Brid. (Sp. Musc. II. p. 29.); 
dioica; caulis tenuis repens foliosus pendulus; rami bre- 
vibus simplicibus v. elongatis parce divisis, omnibus fe- 
retibus crassis curvatis acutatis, caudam vulpinam veluti 
referentibus, pulchre luteo - ferrugineis sericeis; folia 
caulina arctissime appressa vix secunda, humore valde 
patula, late ovato -lanceolata acuminata, maxime plicata, 
stricta , tenuiter membranacea, scariosa, enervia, margine 
ubique late revoluto, cellulis anguste linearibus pallidis 
