Art. 7.— S. Okain nra : 



11. Musci. 



Archidiaceae. 



Archidiutn Jayonicuin Bkoth. 111S. 



Syn. A.reliidium iokyvenss Sh. OkamüEA. Bot. Mag. 



Tokyo, vol XXIV. No. 287. p. 368-372, (1010). 



(Tab. IL) 

 Habitatio terrestris. Minutissimum, csespitosurn, csespitibus 

 densiusculis lutescenti- vel fusco-viridibus nitidiusculis. InfIores= 

 centia monoica; flores feminei in caule et ramis terminales; flores 

 masculi ad basin perichaetii in ramis propriis geminif ormes; folia 

 perigonialia late ovalia apice acuta, marginibus superne minute 

 serrulatis, nervo tenuiore infra apicem folii evanido; antheridia 

 3-5, oblonga brevi-stipitata, c. 0.14-0. 10mm. longa, paraph ysibus 

 nullis. Caulis erectus, c. 2-5 mm. altus, basi fusco-racliculosus, 

 simplex saspe parce ramosus, e basi ad apicem rnulti innovando- 

 ramosus sed haud flagelliforme elongatus, sectione teres, c. 0.17 

 mm. crassus, fasciculo central! hyalin o cellulis paucis composite, 

 reti ceterum tenui, areolis ubique 1ère ejusdem magnitudinis 

 hexagonis hyalinis vel lutescenti-fuscis, stratis superficial! lutes- 

 centibus; caulibus ramisque densiuscule foliosis. Folia sicca 

 adpressa, humida erecto-patentia, inferiora remota minuta superiora 

 sensim majora, summa in coman congesta; folia inferiora conca- 

 viuscula, lanceolata vel anguste oblongo-lanceolata, in acumen 

 sublatum eanaliculatum attenuata, c. 0.3-0.7 mm. longa et c. 

 0.2-0.24 mm. lata, marginibus subintegris, basi subplanis apice 

 erectis, nervo valido, cum apice evanido; folia comalia multo 

 majora, concava, oblongo- vel ovato-lauceolata, in acumen lanceo- 

 lato-sublatum eanaliculatum vel subcarinatum attenuata, c. 0.9-1.1 

 mm. longa et c. 0.36 mm. lata, marginibus erectis, e medio ad 

 apicem minute serrulatis; nervo valido, cum apice evanido, fusco, 

 in sectione transversali plano-convex, dorso valcle prominent!, basi 

 e cellülarum uniformium incrassatarum stratis 4 composito, cellulis 

 ventralibus 4, dorsahbus 0-7; cellulis laminalibus basilaribus ad 



