42 



iongus et longissimus, in caespitibus densioribus erectus 

 in laxioribus procumbens, rufo-tomentosus. Folia cauîina 

 remotiuseula, e basi triangulari-obcordata decurrente an- 

 guste falciformia, tenui-acuminata, pluries sulcata, costa 

 valida lutescente usque ad apicem continua, ramulina 

 angustiora densius conferta, omnia prima aetate succulen- 

 ter virtdia tandem ochraeea, siccitate apice cirrhata. Pé- 

 ri ch a etium longum, polyphyllum, pallidum, foliis internis 

 elongatis acute acuminatis, profunde sulcatis, validicostatis. 

 Capsula alte pedicellata, cernua et arcuato - horizontalis 

 oblonga et cylindracea siccitate valde areuata, solida, 

 ochraeea demum badia, operculo convexo-conico acuto, 

 annulo lato. Peristomii magni dentés lineali - lanceolati, 

 aurantii, anguste lamellati, hyalino-limbati, processus ri- 

 mosi, cilia longa ternata. Sporae ferrugineae. 



Hypnum commutatum Hedw. Musc. fr. IV, p. 68, T. 24. — Brid. 

 Bryol. univ. II, p. 523. — Br. et Sch. Bryol. eur. VI, 

 p. 38, T. 607. — G. Miïll. Synops. II, p. 422. — Schimp. 

 Synops. Musc, eur p. 613. — Mart. Pr. FI. mosq. p. 199. 



Habit, in sylvaticis udis, palustribus, rivulisque. 



Fruct. matur. aestate. 



6. Hypnum filicinum L. 



Caulis prostratus vel assurgens, minus solidus, tomen- 

 tosus, interrupte pinnato-ramulosus vel subsimplex. Folia 

 minora falcato-secunda, subsecunda et undique patentia, 

 rigidiora, ovato-lanceolata, haud sulcata, costa subdepres- 

 sa valida in apicem continua, reti ad angulos decurren- 

 tes late excavatos subito valde dilatato aurantio. Perichae- 

 tii brevioris folia imbricata, interna minus sulcata,' apice 

 serrata. Capsula oblonga vel cylindrica, subarcuato- cer- 

 nua, operculo convexo-conico acuto, annulo angustissimo. 

 Peristomium praecedentis. 



