S20 BULLETIN DE l'herbier boissier. Mürchantia. 



sata, trigonis nullis. Stomata omnium maxima, purpureo marginata, late 

 coiiica et valde elevata, 6 cellulis sexseriatis sedificala, ore inlerno maximo, 

 celiulis numerosis, biseriatis, conicis, subinde elongalis et fiiiformibus, in 

 lumen pori concenlrice et imbricalim conniventibus clauso. Appendicula 

 squamarum purpurea, majora, subrolunda, obtusa, inlegerrima, cellulis 

 minoribus marginata; cellulee centrales multo majores. Peduncidus carpo- 

 cephali brevis, 10 mm. longus. tenuis, apice dense breviterque barbatus, 

 paleis roseis lanceolatis, acuminatis. Capitula parva, palmatim 4 fida, 

 disco integro altissime stomatifero, stomatis fusco marginatis, lobis disci 

 diametro sequüongis, contiguis, late linearibus, apice cuneatim leniterque 

 ampliatis, truncatis breviterque incisis. Involucra tubulosa, ore minore, 

 rotundo, lobulato, lobulis breviter fimbriatis. Perianthia hyalina, ore 

 breviter tubuloso. Capitula mas. parva, brevissime pedunculata, palmatim 

 quadrifida, lobis usque ad basin solutis. 

 Hab. New Zealand (Sinclair, Knight. Kirk). 



39. Marchantia vitiensis St. n. sp. 



Frons ad 3 cm. longa, 5 mm. lata, valida, antice fusco-viridis, postice 

 fusco-purpurea. Costa plano-convexa, haud producta, sensim in alas atte- 

 nuatas excurrens. Epidermis antica sequaliler incrassata. Stomata parum 

 prominula, ore interno magno, subquadrato, 4 cellulis angustis circum- 

 dato. Squamarum appendicula profunde constricta, basi rotundata, 

 superne sensim angustata, acuminata, paucis dentibus validis armata. 

 Pedunculus carpocephali tenuis, ad 2 cm. longus, paleaceus, paleis fiii- 

 formibus apice dense breviterque barbatus et paleis lanceolatis purpureis 

 villosus. Capihda fem. parva, asymmetrica, basi aloba, ceterum quinque- 

 loba, lobis latis breviter discretis, apice truncatis vel exciso truncatis, 

 medio costatis, costis ad cenlrum umbonatum concurrentibus. Involu- 

 cra 4, margine breviter lobata, lobis dense dentatis vel spinosis. Scypfmli 

 parvi, denlati, dentés 2-3 cellulas longi. Reliqua desunt. 



Hab. Insulde Viti (Graeffe, C. Weber), 



40. Marchantia 'Wallisii Jack et St. 



Syn. : M. macropora J. et St. (non Mitten), Hedw., 1892, p. 22. 



Parva, fusco-viridis, postice fusco-purpurea. Frons ad 2 cm. longa, 

 3 mm. lata, valida. Costa lata, convexo-producta, alis brevibus validis; 

 cellulce epidermidis sequaliter incrassatee. Stomata magna, valde promi- 

 nentia, ore interno quadrato, 4 cellulis angustis circumdato. Appendicula 

 squamarum ovata, subintegerrima, acuta, parvicellularia. Pedunculus car- 



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