33 



et oblonga apiculata, omnia distincte inaequilatera, decur- 

 rentia, intégra vel apice subserrata, costa bipartita tenuis- 

 sima */ 3 vel l j A folii metiente, reti laxiore elongato-rhom- 

 boideo. Flores ad ramorum pedem radiculis obruti, ma- 

 sculi numerosi. Perichaetii folia interna longe vaginantia, 

 costa tenui simplici vel bifurca longiuscula instructa. Cap- 

 sula in pedicello longo incurvo-cernua, arcuato-oblonga 

 et arcuato-cylindracea, dilute tandem fusco-aurantia, sicca 

 sub ore paululum constricta. Operculum tumido-conicum, 

 apiculatum. Peristomii dentés pallidi densius articulati, in- 

 terni membrana basilaris latior, cilia prosessibus integris 

 interposita; processus in carina lacunosi. 



Plagiothecium denticulatum Br. et Sch. Bryol. eur. V, p. 12, T. 

 501. — Schimp. Synops. Musc. eur. p. 582. 



Hypnum denticulatum Dill. Hist. Musc. pag. 266, T. 36, f. 5. — 

 Linn. Sp. Pl. p. 1588. — G. Mull. Synops. II, p. 252. — 

 Mart. Pr Fl mosq. p. 198. — Weinm. Syllab. II, p. 464. 



Fissidens denticidatus Willd. — Steph. Enum. stirp. p. 51. 



Habit, in sylvis ad basin truncorum putridorum, rarius 

 ad terrain; in Kunzovo, ubi Goldb. legit. Specc. mosqq. 

 in herb. Boschn. 



Fruct. maiur. aestate. 



VIII. AMBLYSTEGIUM Schpr. 



Musci minimi et proceriores, repentes, vage ramosi et 

 ramulosi, ex apice caulis primarii et e ramis innovantes, 

 nunquam stoloniferi. Folia 5 — 8-sticha, patentia et subse- 

 cunda, ianceolata et ovato-lanceolata, e ceUulis mollibus 

 rete parenchymaticum vel mixtum efformantibus compo- 

 sita, opaca, costa viridi semitereti ultra médium vel ad 

 apicem procurrente instructa, raro ecostata. Flores caulo- 

 geni, monoici, raro dioici. Ramulus perichaetialis radi- 

 cans, perbrevis, perichaetium ferens modice longum, laxe 



M 3. 1864. 3 



