68 



ART. 4. — SHÜTAI OKAMÜRA. 



fiiscescentibus ; ramis plerumque 4-6 mm. rariiis usque ad 8 mm. 

 longis, patulis vel horizontalis, strictis, obtusis, cum foliis c. 1.5-2.0 

 mm. latis, simplicibus aliquando parce (1-2) ramulosis ; caulibus 

 ramisque dense foliosis complanatis. Folia sicca vix mutata apice 



flexuosula leviter recurva vel stricta, 

 madida erecto-patentia, haud homo- 

 malla, concava ; folia lateralia pau- 

 lum asymmetrica, ovato-oblonga, 

 sensiu in acumen elongatum filifor- 

 me strictum vel leviter flexuosum 

 attenuata, c. 1.5-1.8-2.0 mm. longa 

 et c. 0.56-0.64 mm. lata, margini- 

 bus in acumen minute serrulatis 



A. X20 f.d. 



Fig. 29. Vesicularia Sasaokae. 



A. Folia : f.d. foHa dorsalia ; f .1. folia lateraUa vcl intCgCrrimis ; folia dorSalia fcre 

 (x20); B. Sporangia ( x 10). 



symmetrica, oblongo-lanceolata, 

 apice breviter attenuata, c. 1.4-1.6 mm. longa et c. 0.5 mm. lata; 

 nervis binis, brevibus, tenellis, c. 0.32-0.4 mm. longis ; cellulis 

 chlorophyllosis, laevissimis, parietibus incrassiusculis, utriculo 

 primordiali distincto, in medio folii late rhomboideis, c. 40-56 ft 

 longis et c. 15-18,« latis, in acumen linearibus c. 110-140/^ longis 

 et c. 7 ij- latis, basilaribus lineari- rhomboideis c. 80 /^ longis et 

 c. 15-18,« latis, infimis fere rectangulis vel oblongis c. 40-50/^ 

 longis et c. 20-28 /-« latis, alaribus indistinctis. Inßorescentia autoica ; 

 flores utriusque sexus geminiformes in caule ; folia perigonialia 

 intima rotundato-ovata, apice subito breviter attenuata, c. 0.48 mm. 

 longa et c. 0.25 mm. lata, concava, enervia ; antheridia c. 10, c. 

 0.25 mm. longa, paraphysibus paucis hyalinis brevibus. Ramulus 

 jyeiHchaetialis valde rubiginoso-radiculosus. Bracteae perlchaet'd in- 

 timae oblongo-lanceolatae, in acumen sensim elongatum piliforme 

 erectum vel leviter recurvum integerrimum vel minute serrulatum 



