SELAGINELLACE^E. 



101 



Closely resembles in its appearance Selaginella involvens ; but widely 

 different from it in its solitary stems with much more cuspidate leaves. 

 8. Selaginella Somai HAYATA sp. nov. (Fi<r. 66). Planta decumbens 



a b 



Fig. 66, Selaginella Somai HAYATA; a, apical portion of a branch; b, the 

 same, seen from different side; c, a dorsal leaf; d, a ventral leaf; e, f, dorsal leaves 

 of a spike ; g, a ventral leaf of a spike. 



secus totam longitudinem radicans ramosa. Caulis toto foliatus. Folia 



dimorpha : dorsalia minora adpresse disposita ascendentia oblique oblongo- 



ovata 2 mm. longa minus quam 1 mm. lata apice cuspidata basi oblique 



leviter cordata margine serrulata. Folia ventralia majora patentia oblique 



ovato-oblonga 3 mm. longa apice acuta basi 



rotundata obliqua margine serrulata. Spica3 



complanatge resupinatre 7mm. longaa 3mm. 



lataa ; bracteis dimorphis ; ventralibus minoribus 



cuspidato-rhomboidalibus 2 mm. longis 1 mm. 



latis apice acuminatis basi triangulari obtusis 



margine serrulatis ; dorsalibus majoribus cuspi- 



datis triangularibus 2 mm. longis L mm. latis 



apice acutis basi rotundatis serrulatis oblique 



costatis, ad costas alatis, alis \ mm. longis. 



HAB. Kusukusti et Maruyama, leg. T. SOMA, 

 1910. 



Near S. proniflora, but differs from it in 



having contiguous leaves and less ciliolate bracts. 



Fig. 67, Selaginella, mor- 

 risonensis HAYATA; a, a portion 

 of a branch ; b, a dorsal leaf; 

 c, a, ventral leaf. 



