 HYPNOIDEAE. | uvPsva. 357 
articulate trabeculati, interni pallidi lineari subulati so- 
lidi tenerrime papillosi. LS 
Isothecium Philippianum Spruce in Musc. Pyr. No. 77 et Ann. 
and Mag. 1849. Musc. Pyr. No. 88. ) 
Patria. Ad saxa calcarea Pyrenaeorum, in umbrosis 
montis Lhicris, prope Bagneres- de - Bigorre; in rupibus 
graniticis sylvae Bois de Gouerdere dictae, prope B.- de- 
Luchon, in zona montosa superiore: Spruce auctumno 
et hyemis iuitio legit. 
Species revera distinctissima! 
255. H. luteoium C. Müll; dioicum! cespites latis- 
simi prostrati laete virides v. lutescentes subsericei; cau- 
lis longe repens prostratus, ramis remotis decumbentibus 
substrictis parce divisis sciuroideis; folia caulina dense 
conferta, humore erecto - patentia, e basi late ovata longe 
acuminata, pluries profunde plicata, margine ubique valde 
revoluto subdenticulato, nervo ultra medium evanido, cel- 
lulis angustissime linearibus luteis vix pellucidis densis, 
alaribus multis minute quadratis, intus granulosis v. pa- 
rum pellucidis; perich. e basi late vaginante longissime 
acuminata, obsoletinervia, interna ante acumen emarginate 
dentata, caetera subintegra, elongate laxe pellucide reti- 
culata; theca in ped. mediocri rubro laevissimo erecta, 
longiuscule anguste cylindrica arcuata, macrostoma, fusca, 
exannulata, opere. conico breviter oblique acuminato; pe- 
rist. d. ext. in acumen capillare subserrulatum attenuati 
lutei, int. laeves flavi hiantes longi, ciliis singulis v. bi- 
nis capillaribus longis nodosis albis tenerrimis. 
H. laetum Sendtner in schedis! 
Patria. Bayerbrunn prope Monachium, in »Nagel- 
fluhe” inter fruticeta, H. lutescenti consociatum: Sendt- 
ner, — . Per totam hyemem. 
Ab H. laeto Brid. caracteribus cursive impressis longe 
differt; ab H. lutescente pedunculo laevissimo et theca 
erecta primo adspectu distinguitur. 
256. M. laetum Brid. (I. p. 479.); monoicum! H. 
luteolo simillimum, sed folia elongate pellucide laxius re- 
