92 



ART, 4. — SHÜTAI OKAMURA 



extentis, densis. Caulis repens, elongatiis, usque ad 4 cm. longus, 

 dense fasciculatim fusco-radiculosus, densissime et regulariter 

 pinnatim ramosus, sectione teres vel oblongus, c. 0.3-0.4 mm. diam,, 

 fasciculo centrali arto paucicellulari, reti intermedio hyalino, cellulis 

 hexagonis c. 14-20/^- magnis, cellulis periphercis c. 4-5-seriatis 

 minoribus c. 7-10/^ magnis paulum incrassatis lutescentibus ; ramis 

 erectis suberectis vel ascendentibus, c. 5-10 mm. longis, inferne 

 simplicibus stipitiformibus dense fasciculatim fnsco-radiculosis, super- 

 ne dense pinnatim ramulosis, apice obtusis ; ramulis erectis, c. 

 2-4 mm. longis, apice obtusis ; ramis ramulisque dense foliosis 

 teretibus. Paraphyllia nulla. Folia sicca laxe adpressa, madida 

 erecto-patentia, dimorpha ; folia cauUna breviter decurrentia, e 



basi cordata vel deltoideo-cordata 

 breviter lanceolato-attenuata, apice 

 saepe recurva, c. 0.48-0.65-0.8 

 mm. longa et c. 0.4-0.45-0.48 mm. 

 lata, marginibus basi late recnrvis, 

 ubique serrulatis ; nervo tenui, infra 

 apicem folii evanido, superne sensim 

 tenuiore ; cellulis valde chlorophyUo- 

 sis laevibus, linearibus, c. 28-50 >« 

 longis et c. 3-4 /^ latis, superioribus 

 angustioribus, basilaribus brevioribus 

 ot laxioribus c. 14-20/^- longis et c. 

 7 />« latis, alaribus numerosis quad- 

 ratis vel rectangulis c. 10-14/^ longis et c. 10/^- latis; folia ramea 

 valde concava, vix decurrentia, cordata vel ovato-cordata, apice 

 breviter acuta obtusa vel rotundato-obtusa, c. 0.32-0.4 mm. longa 

 et c. 0.28-0.32 mm. lata, marginibus basi late recurvis, ubiqne 

 serratis ; nervo valido, infra summum apicem folii evanido, apice 



Fig. 40, Eurrhynchium yezoaiium. 



A. Folia: f.c. folia caulina, f.r. folia 



xamea (x40); B. Sporangia (xlO). 



