100 



SELAGINELLACEA\ 



macrosporis haud alatis impresso-reticulatis. 



HAB. Kusshaku, Shintengai; Koshun, Tamsui 

 Agiyoku, Kelung, Mato, Kyukyokudo. 



Very near S. caulescens, but distinguishable 

 from it by the much thinner leaves and wing- 

 less macrospores. 



7. Selaginella pseudo-involvens HA- 

 YATA sp. nov. (Fig. 65). Planta erecta 15-20 cm. 

 alta ad saxum crescens solitaria vel 2-3 aggre- 



Fig. 64, Sdagindla sub- ^ Caulis ascendento-erectus usque ad supra 

 caulescens HAYATA; a, a portion 



of a branch with a spike; b, a medium eramosus teres stramineo-rubescens mi- 

 ventral leaf; c, a dorsal leaf; d, 

 a bract. nus quam 1 mm. in diametro squamis adpressis 



conspersis instructus, squamis lanceolatn-triangularibus 2 mm. longis acutis 

 basi peltatis et fimbriatis approximatis fere imbricatis ; partibus caulis 

 ramosis triangularibus vel pentagon is 6-8 cm. in diametro, ramis (pinnis) 

 patentibus vel ascendentibus angulo 45 a cauli 

 egressis; ramulis vel pinnulis cum foliis l|-2 

 mm. latis. Folia dimorpha dorsi-ventraliter dis- 

 posita ; folia dorsalia rniuora crassiuscula obli- 

 que lanceolata cum cuspidibus 1 mm. longa ^ 

 mm. lata apice acuminata aristata, aristis 

 mm. longis, basi subtruncata margine Integra ; 

 folia ventralia majora oblique ovata 1 mm. 

 longa f mm. lata apice cuspidato- aristata, aristis 

 ^mm. longis, latere interiore crassiuscula Integra 

 latere superiore membranacea serrulata basi plus 

 minus contracta. Spicas ad apicem ramulorum 



terminales erectee rectee 1^-2 cm. long^e tetragonst 



Fig. 65, Selayinella pseudo- 

 plus minus complanataa 1^-2 mm. lataa, bracteis involve HAYATA; a, a por- 

 . . . tion of a branch with a spike; 



umforrnibus ovatis cuspidato-aristatis 2^ cm. longis b, a dorsal leaf; c, a vental 



1^ mm. latis versus costam incrassatis ad margi- leaf ' d ' a bract 

 nem imbricatis margine denticulatis basi xiontractis leviter j>eltatis. 



HAB. inter Busegan et Seisui, leg. S. SASAKI et B. HAYATA, Mai. 1917. 



