Exlrdil iiw IMleiiii de nierbier Hois.iier, '2'"*' serie. — Tonie Y (1905). 



N« 12. 



SPE€II« HEPATK-AHUM 



AUCTOUK 



I Vaiiz SIKPIIAM »«#TANICAL 



CAKPBA 



TYLIMANTHUS Mitten 1867. 



Plantse foliiferse niinores vel mediocres Iropicae el sublropicae corli- 

 colae et lerricola? laxe Ccespilosse virides rarius flavescenles vel brun- 

 neolae. CauUs vulgo ereclus, apice attenuato nulante, e caudice crasso 

 pallido rhizifero et maxime ramoso ortus supra basin nudus vel parvi- 

 squamulosus, vulgo simplex, ramis lateralibus supra basin posticam 

 foliorum nascenlibus, flagella postica parvifolia radicantia, Folia caulim 

 succuba oblique inserta parum decurrentia disticha vel leniter ad anti- 

 cum vergentia, margine antico plano, postice breviter inserla apice 

 oblique truncata vel emarginata insequaliler breviterque biioba lobo 

 antico minore, irregulariter armata in planla sterili versus apicem caulis 

 valde decrescentia et remotiuscula. CeUulae majusculse angulis vulgobene 

 incrassatis, cuticula laevi vel verrucosa vel striolata vel minute aspera. 

 Amphigastria nulla. Inflorescentia dioica. Folia floralia plurijuga conferla 

 comata caulinis multo majora similia validius armata. Archegonia in apice 

 caulis antica, lS-20 in toro cavo, paucis squamulis erecto-conniventibus 

 circumdala et occulta. Marsupia in paucis tantum cognita magna termi- 

 nalia pendula dense radicellifera apice calyptram humilem pislillis steri- 

 libus cinctam gerentia. Sporogoaium immersum marsupii fundo insertum 

 calceolo magno. Capsula oblongo-cylindrica longe pedicellata ad basin 

 quadrivalvis, valvulis pluristratis semiannulalim incrassalis. Elateres 

 breves attenuati spiris duplicatis dense tortis sub apice desinentibus. 

 Sporae parvae brunneolae laeves vel asperae. Androecia parva vulgo 

 mediana bracteis paucijugis plus minus confertis magnis ex inflata basi 

 squarrose patulis. Antheridin 2-4, in una solitaria. 



Buu.ETiN DE j/herbier BoissiER, 11» 12, .30 iiovenibre 1905. 76 



