Contributiones novae ad Floraui Bryopliyton Japonicaai. 35 



fasciculo centrali arto, reti intermedio hyalino tenello, cellulis 

 hexagonis c. 15-20/« in diametro, peripherico e cellulis luteis 3-5- 

 seriatis valde incrassatis cornposito; ramis prostratis c. 5-15 mm. 

 longis, acutis, simplicibus vel pinnatim ramulosis; ramulis c. 5-7 

 mm. longis; caulibus ramis ramulisque dense foliosis subcompla- 

 natis. Folia sicca laxe adpressa saepe vix homomallula stricta, 

 hnmida erecto-patentia, e basi breviter decurrentia late oblongo- 

 vel oblongo-lanceolata apice breviter attenuata, c. 1.6-2.0 mm. 

 longa et c. 0.6-0. 8 mm. lata, concava, baud plicata, marginibus 

 planis integerrimis, alis concavis; nervis binis c. 0.24-0.3 mm. 

 longis; cellulis hnearibus valde chlorophyllosis c. 50-80/* longis et 

 4-5//. latis, basilaribus latioribus 7« latis parce porosis baud coloratis, 

 alaribus conspicuis numerosis (c. 30) subquadratis vel rectanglis c. 

 dOfi latis hyalinis vel parce chlorophyllosis rare lutescentiBus. 

 Ramulis perichaetialis cauligenis valde radiculosus. Bracteae perichae- 

 tii intimai e basi vaginante sensim angute subnliformiter acuminata^, 

 c. 3.2 mm. longue, baud plicatse, in parte acuminatis remoto et 

 obsoletissime serrulàtse; nervis binis obsoletis c. 0.48 mm. longis. 

 Vaginura cylindrica, 1.2 mm. longa, fusca. Seta 1.5 cm. alta, 

 rubra, strictus, kevissima, cicca torta. Theca oblongo-cylindrica, 

 suberecta vel curvatula, deoperculata et sicca curvatula, c. 2 mm. 

 longa et c. 0.8 mm. in diam., eastanea, kevissima; cellulis exothecii 

 rectanglaris vel hexagonis, c. 50-70,« longa et c. 20-35,« lata, ad 

 orifîcium plano-hexagonis minoribus; stomatibus in collo numero- 

 sis. Annulus ignota, Peristomium duplex; exostomii dentés lineari- 

 lanceolati, c. 0.5 mm. longi et basi c. 0.09-0. 10 mm. lati, inferne 

 lutei transverse striatuli, superne hyalini vel lutescentes papillosi, 

 byaline limbati, intus dense (c. 35-40) lamellosi; endostomium 

 luteum papillosum; corona basilaris c. 0.25mm. alta; processus 

 dentium fere longitudinis, carinati in carina anguste perforati; cilia 

 bina bene evoluta nodulosa hyalina papulosa. Spori e. 14-16,«, 

 virides, lœvissimi. Caetera ignota. 



Hondo: Prov. Shinano, Taira-mura, Kitaadumi-gun (Coll. 

 Shinzô Itô! Augusto 20, 1913.). 



A typo planta gracila viridus, cellulis alaribus byalinis, 'folia 

 basi baud coloratis differt, 



