100 



SELAGINELLACE.E. 



macrosporis hand 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- 

 gata. Caulis ascendento-erectus usque ad supra 



caulescens HAYATA; a, a portion 

 of a branch with a spike ; b, a 

 ventral leaf; c, a dorsal leaf; d, 

 a bract. 



medium eramosus teres stramineo-rubescens mi- 

 nus quam 1 mm. in diametro squamis adpressis 



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



basi peltatis et fimbriatis approximatis fere imbricatis ; partibus caulis 



ramosis triangularibus vel pentagonis G-S cm. in diametro, ramis (pinnis) 



patentibns vel ascendentibus angtilo 45 a cauli 



egressis ; ramulis vel pinnulis cum foliis lij-2 



mm. latis. Folia dimorpha dorsi-ventraliter dis- 



posita ; folia dorsalia minora erassiuscula 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 If mm. 



longa f mm. lata apice cuspidate- aristata, aristis 



^mm. longis, latere interiore erassiuscula integra 



latere superiore niembranacea serrulata basi plus 



minus contracta. Spicte ad apicem ramuloruir. 



terminales erects rectte H-2 cm. longre tetragona. 



Fig. 65, Sdaymeaapseudo- 



plus minus complanat^e l|-2 rnm. Iat;i3, bracteis involve HAYATA; a, a por- 

 tion of a branch with a spike ; 

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



1^ mm. latis versus costam incrassatis ad margi- leaf; d> a biact- 

 nem imbricatis margine denticulatis basi con tractis leviter peltatis. 



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



