57 



parce fastigiato-ramosa vel subsimplex, pinnato-ramulosa, 

 ramulis inaequalibus, brevioribus rigidis, longioribus flagel- 

 liformibus haud raro ex apice radicantibus, caule ligneo 

 crasso rufo. Folia caulina satis conferta squarrosa, raro 

 secunda vel falcato-seeunda, e basi obcordato-deltoidea 

 lanceolata, pluries sulcata, tenuiter bicostata, apice ser- 

 rata, solida, nitentia; ramulina angustiora a basi ad api- 

 cem sensim minora. Flores masculi in caule primario 

 crassiusculi, squarrosuli. Perichaetium squarrosum. Cap- 

 sulae plerumque confertae, e pedicelli curvatura horizon- 

 tales et subinclinatae, siccitate semper fere inclinatae, 

 oblongae, rutilantes, siccae deoperculatae ore angustatae. 

 Operculum mamillare. Annulus simplex. Dentés aurantii, 

 late lutescenti-limbati, processus in tota carina déhiscen- 

 tes, cilia longa ternata appendiculata. 



Hylocomium triquetrum Br. et Sch. Bryol. eur. V, p. 8, T. 491. — 



Schimp. Synops. Musc. eur. p. 657. 

 Hypnum triquetrum L. Sp. Pl. p. 1589. — G. Miill. Synops. II, 



p. 44. — Steph. Enum. stirp. p. 52. — Mart. Pr. Fl. mosq. 



p. 198. — Weinm. Syllab. II, p. 4-87. 



Habit, in sylvis ad terram et arborum radiées; Mon- 

 tes Passerini, ubi Goldb. cum fructibus invenit; Stepan- 

 kovo — in sylvaticis copiosissimum et fructiferum legi. 

 Spec. mosq. in Annenk. Fl. exs. mosq. Cent. II, et in 

 herb. Czerm. 



Fruct. mahir. vere et aestate. 



ORBO III* 



MJSCI SCI11Z0CARPI. 



Capsula valvulis quatuor apice connatis dehiscens. 



Trib. ANDRE AE ACE AE. 

 Musci acrocarpi, sub apice florifero innovantes, inno- 

 vationibus repetitis pluries dichotome fastigiato-ramosaé y 



