44 



sula ad medium et ultra sulcata. Dentes 8, siccitate reflexi, 

 bigeminati, apice integro, obtuso minute papillosi, articulati. 

 Cilia sequilonga, 8, filiformia, Isevia. Sporse minute papilloso- 

 aculeatse, 23—25 micromill. metientes. Calyptra conico- 

 campanulata, vix dimidiam capsulam obtegens, basi incisa, 

 pilosa, pilis flavis e duplici, raro triplici serie cellularum con- 

 flatis. Inflorescentia monoica. 



Patria. Tasmania, Mt. Wellington, ubi ad arbores ra. 

 Oct. 1890 legit W. A. Weymouth (n. 901). 



Plantula hsec U. Ludivigii proxima. 



37. Orthotrichum lateciliatum Vent. n. sp. 



Gsespituli tumescentes, caules erecti, 2 cm. alti. Folia 

 siccitate curvata et laxe crispata, humiditate erecto-patentia 

 ex ovata basi longe lanceolata, carinata, 3,3 3 mm. longa, 

 apice plus minus acuminata, margine ad apicem usque re- 

 curvo, nervö in apice soluto. Areolatio superne rotundato- 

 hexagona, parietibus baud incrassatis, papillis prominentibus, 

 simplicibus vel bifurcatis ornata; inferne cellalaä elongatse, 

 angustse, cum parietibus haud incrassatis basin conficiunt. 

 Folia perichsetii intima minora, margine plana. Inflorescen- 

 tia monoica, lateralis; gemmulse masculse parvulse, antheri- 

 dia pauca, ovato-oblonga, pedicellata, eparaphysata. Vagi- 

 nula cylindracea, parce pilosa, ochrea distincta pedicello ad- 

 hserens. Pedicellus emergens, 3 : 20 mm. longus, siccitate 

 torquescens. Capsula cum coUo brevi, cito defluente ovato- 

 cylindrica, 1,7 5 mm. longa. Strige ad medium sporangii 

 productse, e 4—5 seriebus cellularum latiorum compositse, 

 siccitate prominentes et capsulam ad medium usque sulca- 

 tam efficientes. Stomata emersa, in parte inferiore sporan- 

 gii. Annulus bi-triseriatus, persistens. Peristomii dentes ex- 

 terni 8, rufi, siccitate laxe recurvi, bigeminati, integri, ad 

 apicem obtusum crura connata, articulata, articulis brevis- 

 simis, densissime papillosis. Cilia 8, breviora, obtusa, papil- 

 losa, dimidiam dentium et ultra attingentes ex 3 — 4 

 articulis conflata. Sporse 24 — 26 micromill. diametro 

 metientes. 



