HEPATIC^ CHINENSES 211 



thium vaginatim amplectentia, longe carinata, superne 

 bifida, patula, serrata. Perianthium valde elongatum, com- 

 presso-cylindricum, haud plicatum, ore aperto qiiadrifido 

 dentato. Propagula in apice caulis subnudi, e margine 

 squamarum orta, hyalina, globosa. Inllorescentia dioica 



a" ignota. 



Delavayella serrata St. n. sp. 



Dioica, majuscula, flavescens, apice flavo-virens, dense 

 csespitosa vel inter muscos erecta. Caulis usque ad 5 ""j^ 

 longus, llaccidus, basi radicans, superne arhizus ; teres, 

 cellulis 12 in diamètre, corticalibus 17 x 50 jji, parietibus 

 validis, brunneis, centralibus 35 x 85 ;j., parietibus tener- 

 rimis ; pauciramosus, apice folia ultima persœpe longe 

 superans^ subnudusi. e. squamulis minutis appressis, ipso 

 apice aggregatis et propaguliferis instructus ; propagula 

 hyalina cellulis globosis constantia, ex apice squamarum 

 soluta. Folia conferta, in piano falcato-triangularia, disti- 

 cha e basi carinata et subcomplicata arcuatim patula, su- 

 perne aperta, postice plana, antice decurva, margineque 

 revoluto longe decurrente ; apex angustatus grosse denta- 

 tus, ad ^4 emarginato-bifidus, laciniis longe acuminatis, 

 serratis, ssepe insequilongis ; supra basin posticam folia 

 non sunt ampliata vel caulem superantia sed revoluta et in 

 sacculum magnum alte compresso-galeatum commutata. 

 Celhdce foliorum apicales 17 [j., mediœ 25 x 34 5^., basales 

 25 X 40 [A, trigonis parvis, ssepe confluentibus ; cuticula 

 (antica solum) papillis magnis hyalinis obtecta. Amphi- 

 gastria nuUa. Flores feminei in caule terminales, e ventre 

 innovati ; /b/ia ^ora^iacaulinisconsecutiva, sensim majora 

 ceterum haud diversa nisi intima majora erecta, haud 

 sacculata sed ad ^3 conduplicata et arcte vaginantia, libéra, 



