518 



SPECIES HEPATICARUM 



Franz STEPHA1\I 



(Suite. 



b. Capitula fem. asymmetrica. 



V. Capituli lobi lineares. 



3Ö. Marchantia geminata Nées. Nova Acta XII, p. 194. 



Major, viridis vel subglauca. Frons ad 7 cm. longa, mulliramosa, ramis 

 5 mm. latis. Costa valde et abrupte producta, angusla, alis crassis, sensim 

 atlenualis. Stomata majuscula, ore interno 4 cellulis plano-conicis circum- 

 dato. Appendicula squamarum magna, valde constricta, ovato-oblonga, 

 breviter acuminata, margine irregulariter brevidentata. Pedunmlus car- 

 pocephali ad 3 cm.longus, validus, sparsim et longe paleaceus, apice paleis- 

 linearibus longe barbatus; palese involucrales lanceolatse, dentatse, longe 

 attenuatee. Capitula fem. asymmetrica, uno latere ad 7» trilobata, centre 

 gibboso, lobis linearibus, sinu acuto divergentibus, planis, apice breviter 

 bifîdis (unde nomen «geminata»). Involucra sub lobis inserta et sub 

 fissura apicali desinentia, a dorso itaque haud videnda, magna, vix colo- 

 rata, versus basin conico-angustata, ore amplo integerrimo. Perianthia 

 brunnea. Capsula fusco-rufa, annulis creberrimis incrassata. Sporae 28 pi, 

 glaberrimse, dilute flavescentes. Elateres filiformes, 300 jjl. Scyphuli parvi, 

 irregulariter brevidentati, subspinosi. Capitula cf asymmetrica, 6 radia ta, 

 radiis usque ad basin fere solutis, alis costse sequilatistenerrimiscrispatis. 



Hab. Java (Blume, Jagor, Solms, Warburg, Schiffner), Sumatra (Schiff- 

 ner), India orient (Wichura). 



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