406 BULLETIN DE l'hkrbier boissier. Marchantici. 



32. Marchantia subintegra. Mitl. Linn. Soc. Y, p. 125. 

 Minor, angusta, pallide viridis vel flavicans, postice fuscescens. Frons 



ad 3 mm. lata, 3 cm. longa, crassa. Costa latissima, bene convexa, alis 

 brevissimis sensim atlenuatis. Epidermis tenera. Stomata parva, humilia, 

 ore interno 4 cellulis plano-conicis conniventibus subclauso. Appendicula 

 squamarum magna, basi valde conslricta, ovata, angusta, acuminala, 

 angulatim repanda, celUulis marginalis parum minoribiis. Pedimculus 

 carpocepbali ad 2 cm. longus, validus, ubique sparsim lanatus, apice 

 paleis longis filiformibus purpureis barbalus; paleae involucri lanceolatee, 

 dentatse, apice longe attenuatse, interdum bi-vel trifidse vel denlatee. 

 Capitula 9 symmetrica, hemisphserica, quadriloba, lobis ad medium 

 liberis ovatis, decurvis. Involucra sub lobis inserta, hyalina, margine 

 breviter lobulata, lobis rotundatis, creberrime et purpureo fimbriatis. 

 Capitula (^ asymmetrica, 8 radiata, radiis connatis, levi sinu acuto dis- 

 cretis. Reliqua desunt. 



Hab. Assam (Grifflth), Himalaya (Hooker et Thomson), Darjeeling 

 (Wichura). 



Hinsichtlich der Stellung der Involucra unter (nicht zwischen) den 

 lobulis, siehe die Einleitung zum Genus Marchantia. 



33. Marchantia Bescherellei St. Rev. bryol. 1888, p. 86. 

 Major, fusco-viridis, postice fusco-purpureus. Frons ad 4 cm. longa, 



10 mm. lata, tenuis. Costa angusta, bene producta, late convexa, abrupte 

 in alas tenerrimas excurrens. Epidermis tenera. Stomata magna, alte 

 prominula, ore interno 6 cellulis conicis circumdato. Appendicula squa- 

 marum parva, rosea, ovata, angulatim repanda. Pedunculus carpocepbali 

 validus, ad 2 cm. longus, nudus, apice paleis roseis, lanceolatis, cuspidatis 

 barbatus. Capitula fem. magna, disciformia, fusco-viridia , tenera et 

 venosa, centre plano-convexo, 9 lobata, lobis planis usque ad apicem fere 

 connatis, apice rotundatim prominentibus, incisura brevissima ilaque 

 dislinctis. Involucra hyalina, parvilobulata. irregulariter breviterque 

 limbriata. Perianthia hyalina, ore contracte breviter rostrata. Capsula 

 fusco-rufa, laxa annulata. Spofae flavse, 23 ^. Elateres 720 |jl. Capitula 

 masc. femineis sequimagna, palmaliflda, lobis 4 latis ad medium liberis. 

 ScypJmli desunt. 

 Hab. Brasilia, Rio Janeiro (Glaziou, Ule). 



34. Marchantia crenata Austin. Torrey Bot. Gl. Y, p. 14. 

 Minor, fusco-viridis, postice purpurascens. Frons ad 3 cm. longa, 5 mm. 



178 



