Conocephalum. franz stephani. spegies hepaticarum. 215 



— 1. Gonocephalum conicum (L.) Necker. 1. c. 



Syn. : Marchantia conica L. Spec. Pl. 11, p. 1604. 

 Fegatella conica Raddi. L c. 



Fusco viridis, postice fusco-violacea ; frons ad 18 cm. longa, 2o mm. 

 lata, omnium liepaticarum maxima, parum canaliculala, alis plano-con- 

 vexis longe attenuatis, apice biloba, furcata vel ex apice (interdum 

 geminatim) innovata, antris inflatis antice reticulatim rugulosa, stomatis 

 magnis pallidis obsita. Cellulse epidermidis haud incrassalce. Squamae 

 posticse oblique lunatae, longissime in costam decurrentes, margine 

 interdum repando-angulatse, appendiculo parvo. Carpocephala longe vel 

 Jongissime pedunculata; pedunculus ad 12 cm. longus, inferne parum 

 coloratus, superne liyalinus, vagina basalis magna, fusca, labiis attenuatis 

 coriaceis plus minus erecto-incurvis. Capitula pro planta parva. 5 mm. 

 longa, vertice optime obconica, fusco brunnea. inferne pallidiora, tempore 

 maturitatis longitudinaliter sulcata. Sporae 85 (i. Elateres 170 {i (plus 

 minus longiores) fusiformes vel filiformes, valde irregulares. Androecia 

 saepe in innovatione parva, ob furcas haud solutas subrotunda, disco 

 ovato valido, fusco, 7 mm. longo, ostiolis brevibus, strato anlico frondis 

 arcte circumvallata. 



Hab. Europa, America et Asia seplentrionalis ubique, praecipue in 

 montosis communis. Italia, Hispania (Moller), Coimbra (Henriques), 

 Algeria (Trabut), Madeira (Fritze), Azores (Krause), Batum (Levier), 

 Kaschmir (Duthie). Japoiiia (Faurie), Florida (Rau), Alaska (Krause), 

 Sibiria (Arnell). 



2. Gonocephalum supradecompositum (Lindb.) St. Bull, 

 Herb. Boiss. Y, p. 82. 



Syn. : Sandea supradecomposita Lindb. Acta soc. F. Fl. fenn. II, n^ 5. 



Minor, gracilis valde ramosa, fusca vel dilute viridis, normaliter repetito 

 furcata in flabellam expansa, saepe ramis elongatis pinnatis; frons ad 

 3 cm. longa, 3 mm. lata, linearis, integerrima vel marginibus subdentatis 

 crispatuhs. Costa abrupte producta, stepe fusco-brunnea, hieme magnum 

 tuber ex apice proferens; tubei^a sessilia, in adspectu elliptica, utroque 

 latere apiculata ibidemque squamis appressis oblecta, antice plana, postice 

 alte convexa, magis lata quam longa; alae frondis attenuatae, interdum 

 tenuissimse. papyraceae. Cavernae magnse, humillimae, stomata magna, 

 mullo minus convexa quamin C. conico. Cellulse epidermidis valde asqua- 

 literque incrassatae. Squamde posticae oblique ligulatae, appendiculo aequi- 

 lato, subrotundo, dilute purpureo, cellulis multo minoribus quam in 



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