136 



HYMENOPHYLLACE^. 



elevatis ; pagine supra pilis unicellularibus glandulosis brevissimis pauce 

 dispersa subtus subglabrata. Involucrum ad basin pinnarum "situm vel ad 

 lobos inferiores pinnarum situm subascendens infundibulo-campanulatum 

 l mm. longum ad orem plus 1 mm. longum apice late rotundatum 2-val- 

 vatum, valvis brevibus plus 1 mm. latis minus mm. longis margine eroso- 

 denticulatis. 



HAB. Bonin, leg. Soma. 



Near T. nanum, but differs from it by the longer lobes and obtuse re- 

 ceptacles ; from T. filiculum, differs by the more acute lobes. Also near T. 

 Kurzii (BEDD. Fern. Brit. Ind. t. 286), but separable from it by the short 

 obtuse valves of the involucres. 



Trichomanes cupressifolium HAYATA sp. nov. (Fig. 73). Bhizoma 



repens filiforme ferrugineo-pilosum remote folio- 

 sum. Stipes cum fronde perpendiculariter pendulus 

 filiformis 15-17 mm. longus subglaber fusco-nigri- 

 cans. Frons usque 9 cm. longa usque 3 cm. lata 

 ovato-lanceolata vel lanceolata oblongo-lanceo- 



lata apice attenu- 

 ata vel angustata 

 ad summum 

 obtusa basi 

 acuta vel acuto- 

 truncata versus 

 basin pinnata 

 medio pinnatifi- 

 da, pinnis alter- 

 nis inferioribus 

 lougioribus, in- 

 fimis brevioribus, 

 superioribus gra- 

 datim breviori- 

 bus versus summum ad lobum simplicem reductis, pinnis inferioribus lon- 

 gissimis 15 mm. longis 6 mm. latis ovato-lanceolatis ad apicem obtusis basi 



a 



Fig. 73, Trichomanes cupressifolium HAYATA ; a, the plant ; b, 

 a portion of the frond. 



