140 



HYMENOPHYLLACE.I:. 



hair 



(BEDD. Fern. South Iiid. t. 262) by the much acuter lobes of tha pinme. 



Also near T. latemarginrte EATON (Hi\. BK. Syn. Fil. p. 79) in the general 



form, but I could not 

 satisfactorily identify 

 our fern with it. 



Trichomanes ri- 

 gidum Sw. ; (Fig. 79) 

 MATSUM. et HAYATA 

 Enum. PL Formos. p. 

 568. 



HAB. Hierauzau, 

 leg. B. HAYATA et S. 

 SASAKI, Juli., 1912. 

 Hymenophyllwm 



LINN. 



Hymenophyll- 

 um constrictum 

 HAYATA sp. uov. (Fig. 

 80). Rhizoma repens 

 teres gracillimum ^ mm. 

 in diametro sectiouis 

 remote radicaus, radici- 

 bus pilis lougioribus 

 dense obtectis. Stipes 

 erectus gracilis 8-9 cm. 

 lougus teres f mm. in 

 diametro ad basin vel 

 ad apicem virgfe dense 

 pilosus, pilis uigro-casta- 

 - neis subcrispis vel rectis 

 1-seriatim multice- 



. SO, Hymenophyllum constrictum HAYATA ; a, the plant ; b, a 

 at the base of the frond ; c, a portion of a pinnule. 



llularibus 1-3 mm. longis. Frons triaugulari-ovata 10 cm. longa totiusque lata 

 apice acuta basi in ambitu subcordata bipinnata tri-quadri-pinuatifida, pinuis 



