1129 



SPECIES HEPATICARUM 



Franz STEPHAN I 



TYLIMANTHUS Mitten 1867. 



Planta» foliiferae minores vel médiocres tropicse et subtropicœ corli- 

 colae et terricolae laxe ciespitosae virides rarius flavescenles vel brun- 

 neolae. Caulis vulgo ereclus, apice attenuato nutante, e caudice crasso 

 pallido rhizifero et maxime ramoso 01 tus supra basin nudus vel parvi- 

 squamulosus, vulgo simplex, ramis lateralibus supra basin posticam 

 foliorum nascentibus, flagella poslica parvifolia radicanlia. Folia caulina 

 succuba oblique inserta parum decurrentia disticha vel leniter ad anti- 

 cum vergentia, margine antico piano, postice breviter inserta apice 

 oblique truncata vel emarginata inaequaliter breviterque biloba lobo 

 antico minore, irregulariler armata in planta sterili versus apicem caulis 

 valde decrescentia et remoliuscula. Cellulas majuscule angulis vulgo bene 

 jncrassalis, cuticula leevi vel verrucosa vel slriolata vel minute aspera. 

 Amphigastria nulla. Inflorescentia dioica. Folia floralia plurijuga conferla 

 comala caulinis multo majora similia validius armata. Archegonia in apice 

 caulis anlica, 15-20 in toro cavo, paucis squamulis ereclo-conniventibus 

 circumdata et occulta. Marsupia in paucis tantum cognila magna termi- 

 nalia pendula dense radicellifera apice calyptram humilem pistillis steri- 

 libus cinctam gerentia. Sporogonium immersum marsupii fundo insertum 

 calceolo magno. Capsula oblongo-cylindrica longe pedicellala ad basin 

 quadrivalvis, valvulis pluristratis semiannulatim incrassalis. Elateres 

 brèves attenuati spiris duplicatis dense tortis sub apice desinentibus. 

 Sporœ parvae brunneolae lœves vel asperae. Andrœcia parva vulgo 

 mediana bracteis paucijugis plus minus confertis magnis ex inflata basi 

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



bulletin dk i/herbier boissikr, n<> 12, 30 novembre 190S. 76 



