260 



HYMEKOPHYIXACE.E. 



et B. Hayata, Aprili. 1914. 



TricJiomanes Hm. 

 Trichomanes cupressifolium Hayata Ic. Pl. Formos. IV. p. 136, fig. 

 73. 



Tliis is tlie most slender fern, linnging vertically on tlie imder side of a 

 large rock, attaining sometimes nearly 50 cm. in length. 



Trichomanes kalamocarpum Hayata sp. nov. Khizoma repens. Stipes 

 4-6 cm. lougus glaLer cum alis medio 2i mm. latus. Frons tenuissime mem- 

 branacea in exsiccato pallido-fusca haud nitida ojxica serai-hyalina glabra iu 

 amtitu lanceolata apice acuminata ad summum oLtusa Lasi 

 in ambitu subtrimcata vel rotundata 9-14cm. longa 2^-4^ cm. 

 lata bipinnatifida, segmentis inferioribus longissimis, infimis 

 paullo trevioribus, superioribus gradatim brevioribus versus 

 apicem ad lobos acuminis reductis, segmentis I. inferioribus 

 2J cm. longis oblique triangularibus l^ cm. latis apice trian- 

 gulari-acutis ad summum obtusis basi latei'e inferiore fractis 

 pinnatifidis, segmentis II. ovatis vel obovatis lobulatis, lobulis 

 oblongis apice obtusis; rhachis frondis alata medio 2 mm. lata. 

 Sori ad axillas segmentorum I. et II. vel loboram siti lobulos 

 terminantes. 



Tricliomanes orlentale Hayata Ic. Pl. Formos. 1"^^. 2^- 138, fii 

 C. Ch.) 



Hab. Mt. Arisan, leg. B. Hayata et S. Sas.aki, Jan. 1912. | 



Distinguishable very clearly from T. orientale C. Ch. by the cellular structure 

 of the fronds. The cells of the fronds of T. orientalc are liexagonal bounded by 

 straight lines, while those of the present plant are hexagonal, pentagonal or 

 quadi"angidar bounded by ciu'ved lines. The lobes of tliis new species are mnch 

 obtuser than those of T. orientalc. 



Trichomanes palmifoUum Hayata Ic. Pl. Formos. IV. p. 138, fig. 78. 



Near TricJiomancs Insigne Vak Bosch (Bedd. Fern. Brit. Ind. t. 284) 



Fig. 98, Tri- 

 chomanes halamo- 

 carpum H.WATA ; a 

 portion of a lobe 

 of the frond, show- 

 ing the cellular 

 structure. 



77, fnon 



