Pallavicinins. fraisz stephani. si'ecies hepaticarum. 11 



rariores. Costa pro planta lalissima, aiUice leriiter concava, postice 

 convexa, abrupte in alas angustissimas attenuata. Alœ strictae, margine 

 crebre dentalse. subserratse., dentibus validis, e lata basi acutatis, incur- 

 viusculis. Involucra campanulata. fere ad medium inciso-lobata, lobis 

 valde irregularibus lanceolatis vel profunde bifîdis vel ligulatis; planta 

 communis sed seniper sterilis inventa. 

 Hab. New Zealand (Hooker, Zürn, Kirk, Cheeseman, Beckett). 



7. Pallavicinius Levieri Schffn. Kais. Ak. Wien. LXVIl. p. 184. 

 Dioica, major, tenerrima, procumbens, dilute viridis, corticola et 



muscicola. Frons ad 7 cm. longa, 5 mm. lata, plana vel undulata, margine 

 pilis brevibus arma ta, furcata vel postice innova ta. Costa angusta, medio 5 

 cellulas crassa, antice subplana, postice magis producta, abrupte in alas 

 excurrens. Alœ flaccidissimge, integerrimse; cellultß alarum ad costam 

 37/110 [X, medio 37 X90 ja, margine 27 X 74 ^x. Involucrwn cupulatum, 

 profunde laciniatum, laciniis angustis dense ramoso-capillaceis. Perian- 

 thium longe cylindricum, ad 10 mm. longum, apice ciliatum, capsula 

 cylindrica, sa?pe bivalvata. Sporse 18 |x, rufo-fuscse, granulatse. Elateres 

 longissimi longeque attenuati, spiris laxe tortis. Andrœcia in planta 

 minore et angustiore linearia, costam plus minus tegentia, bracteis pro- 

 funde incisis. 



Hab. Java, Sumatra 1000-2120 m. (Schiffner), Hawai (Baldwin), Tahiti 

 (Lépine). 



8. Pallavicinius tenuinervis (Tayl.) St. 



Syn. : Diplolœna tenimmwis ïayl. J. of B. 1844, p. 477. 



Dioica, mediocris, gracihs, tenuis, longe procumbens et caispitans, 

 pallide flavo-virens. Frons ad 5 cm. longa, 3 mm. lata, Unearis, simplex 

 vel e ventre innovata. Costa angusta, humilis, in sectione fusiformis. Alœ 

 lenerrimse ad costam bistratœ, basi longe atténua tee, margine remote 

 denticulatee, dentibus 1-2 cellulas longis, facile deciduis, ab auctore prse- 

 lervisis. Cellulœ alarum 36 X 54 |x, margine multo angustiores, omnes 

 tenerrim^e. Involucra cupulata, ad 2 mm. longa, margine ad V^ inciso- 

 lobulata, lobulis irregulariter breviterque flmbriatis. Perianthia ad 4 mm. 

 longa, basi crassa, apice longe et creberrime spinoso-ciliata, ciliis conico- 

 conniventibus. Calyptra perianthio breviter coalita, crassa, pistillis 

 sterilibus usque ad apicem obsita. Andrœcia bi'eviter linearia, bracteis 

 remotiusculis, paucispinosis. 



Hab. New Zealand (Colenso, Helms). 



315 



