Marchantia. franz stephani. species hepaticarum. 395 



midis leneTse. Stomata majuscula, ore interno 4-S cellulis plano-conicis 

 circumdato. Appendicula squamarum parva, subrotunda, margine denlata, 

 ceilulis subaequimagnis majusculis formata. Pedimculus carpocephali feni. 

 validus, ad 872 cm. longus, ubique brevipaleatus, barba apicalis longa, 

 liyalina, paleis linearibus. Capitula fem. novemlobata, disco centrali 

 magno alte convexo, lobis disco duplo brevioribus, late linearibus, sub- 

 planis, recte truncatis. Itwolucra hyalina, ore fimbriato. Periant/iia 

 hyalina, ore contracto-plicato breviter flmbriato. Capsula fusco-brunnea, 

 parietibus laxe annulatim incrassatis. Sporae 25 {i, vermiculariter lamel- 

 laUe, Elateres 680 [x. Capitula masc. palmatiflda, lobis 0-7 usque ad 

 basin fere solutis, lanceolatis, 12 mm. longis. Scyphuli margine lobati, 

 lobis triangularibus acutis. 



Hab. Africa, hW'-- San Thome (Moller, Quintas), Angola (Welwitsch), 

 Kamerun (Dusen, Preuss, Staudt, Zenker), Togo (Biittner), Kilimandscharo 

 (Volkens), Undussuma (Stuhlmann), Runssoro (Stuhlmann). 



9. Marchantia foliacea Mitt. FI. N. Zel. II, p. 168. 



Major, dilule viridis, postice fusco-purpurea ; Frons ad 5 cm. loiiga, 

 10 mm. lata, crassa, costa lata, valde producta et omnium maxima, in 

 alas validas sensim abeunte. Epidermidis cellulee tenerae. Stomata magna 

 ore interno subquadrato, 4 cellulis ovalibus circumdato. Appendicula 

 squamarum majuscula, sanguinea, ovata, apiculata, margine integerrima, 

 repando angulata, cellulis majusculissubsequimagnisformata. Pedunculus 

 carpocephali validus ad 3 cm. longus, paucipaleatus, coloratus, apice 

 breviter barbatus, paleis linearibus, purpureis; palese involucrales pur- 

 purese lanceolatse, cuspidatse, Capitula fem. magna, 9 lobata, centro 

 magno valde convexo, lobis disci diametro duplo brevioribus, breviter 

 linearibus, recte truncatis, saepe valde irregularibus ad 2 vel 3 confluenti- 

 bus; involucra 8, fusco-purpurea, ore magno breviter lobato, lobislonge 

 flmbriatis, laciniis haud pinnatim dispositis. Perianthia colorata, ore 

 fisso, laciniis brevibus flmbriatis. Capitula cf parva, brevipedunculata, 

 disciformia, sexloba, lobis ovatis ad medium solutis. Scyphuli dentato- 

 ciliati. 



Hab. New Zealand (Colenso, Kirk, Petrie, Helms), Tasmania (Wey- 

 mouth). 



"^ 10. Marchantia multiloba St. n. sp. 



Mediocris, fusco-viridis, postice haud colorata. Frons ad 2 cm. longa, 

 3 mm. lata, angusta, valida; costa lata, bene producta, alis tenuibus 



167 



