ExlraiL du Bulletin de 1'Herbier Boissier. 

 Tome VII. No 9. Septembre 1899. 



SPECIES HEPATICARUM 



Fianz STEPHxllVI 



(Suite.j 



SPHvEROCARPUS Micheli, 1729. 



Plantse frondosce, parvse, Lerricola'. virides, planae et tenerrirase, arcte 

 repentes, dichotome mulliramosce, radicellis longiusculis solo affixse, apice 

 profunde inciso-bilobse ibidemque cellulis curvatim-erectis clavatis ob- 

 tectse. Costa lata, haud producta, 2-3 celUilas crassa, sensim in alastener- 

 rimas attenuata. Rami advenlivi antici, e cellulis alarum orti. Inflorescentia 

 dioica. Flores feminei anticL valde numerosi. Involucra pro planta ma- 

 xima, monogyna, interdum bi vel trigyna, oblique inserta et versus apicem 

 plantee nutantia, plus niinus pyriformia vel subcylindrica, ore apicali plus 

 minus angustato. Calyptra basi bislrata, apice unistrata, facile destructa 

 et anle capsulse maturilatem evanida. Capsula chlprophyllifera spheerica, 

 pariete unistrata magnisque cellulis formata, pedicelloparvo chlorophylli- 

 fero facile destructo. Sporae tetraedrce, cuticula valida, varie lamellata, 

 plus minus hirta. Sporae juveniies ante maturitatem capsulee in glebam 

 aggregatee, parietibus capsulae haud adhEerentes, in fluido capsulari aggre- 

 gatim natantes. Elateres nulli; adsunt tamen cellulse steriles sporis mixtse 

 et minores, oleiferge, sphsericse, pariete tenera, nutriculcB sporarum. Flores 

 mascuU antici in fronde minore et longius ramosa, e medio costee orti, 

 seepe in ramulis nascentibus aggregati et marginem dense tegentes. 



196 



