Marchantia. franz stephani. spegies hepatigarum. 520 



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

 conica et valde elevata, 6 cellulis sexseriatis sediflcata, ore interno maximo, 

 cellulis numerosis, biseriatis, conicis, subinde elongatis et flliformibus. in 

 lumen pori concentrice et imbricatim conniventibus clauso. Appendicula 

 squamarum purpurea, majora, subrotunda, obtusa, integerrima, cellulis 

 minoribus marginata; cellulse centrales multo majores. Pedunculus carpo- 

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

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

 disco integro altissime stomatifero, stomatis fusco marginatis, lobis disci 

 diametro sequilongis, contigais, latelinearibus, apice cuneatim leniterque 

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

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

 breviter tubuloso. Capitulamas. parva, brevissime pedunculata, palmatim 

 quadrifida, lobis usque ad basin solutis. 

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



*" 39. Marchantia vitiensis Sl. n. sp. 



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

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

 nuatas excurrens. Epidermis antica aequaliter 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 fili- 

 formibus apice dense breviterque barbatus et paleis lanceolatis purpureis 

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

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

 medio costatis, costis ad centrum umbonatum concurrentibus. Involu- 

 cra 4, margine breviter lobala, lobis dense dentatis vel spinosis. ScyphuU 

 parvi, dentati, dentes 2-3 cellulas longi. Reliqua desunt. 



Hab. Insulae Yiti (Grseffe, G. 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, 

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

 cellulse epidermidis sequaliter incrassatae. Stomata magna, valde promi- 

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

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



182 



