(VOL.VI, 192i) FRANZ STEPIIANI. SPECIES HEPATICARUM Radula, 



margine supero longe arcuato, infero sinuato, apice late rotundata, 

 ad medium inserta, basi antica truncato-rotundata, caulem vix 

 tegentia. Cellulce superse 18 x 18 (j. trigonis parvis, basales 18 x27 ^1 

 trigonis nullis. Lobulus magnus, folio duplo brevior, oblongus, 

 duplo Ibngior quam latus, carina oblique adscendens, leviter ar- 

 cuata, amplo sinu in folium excurrens, apice quam basis parum 

 angustiore, oblique truncato, angulo obtuso. 

 Hab. Hawai (Faurie legit). 



242. Radula Micholitzii St. n. sp. 



Dioica major gracilis, rigidula, dilute brunnea, corticola, dense 

 depresso csespitans. Caulis ad 4 cm. longus, regulariter remoteque 

 pinnatus. Folia caulina imbricata, recte patula, decurva, in plano 

 ovata (2 mm. longa, medio 1,33 mm. lata) asymmetrica, margine 

 supero longe arcuato, infero sinuato, apice rotundata, ad medium 

 inserta, basi antica rotundato-appendiculata. Cellulae superae 

 18xl8(ji, basales 18x27 jj. trigonis parvis. Lobulus magnus, folio 

 duplo brevior, margine supero late rejlexo, in plano subquadratus, 

 carina stricta, amplo sinu in folium excurrens, apice subtruncatus, 

 angulo acuto vel apiculato. Androecia in ramis terminalia, valde 

 numerosa, bracteis 6-10 jugis. Reliqua desunt. 



Hab. Salomons Islands (Micholitz legit). 



243. Radula multiraniosa St. n. sp. 



Sterilis magna gracilUma rigida, virens, in cortice laxe caespitans, 

 in ramis arborum pendula. Caulis ad 6 cm. longus, regulariter bi- 

 pinnatus, ramis primariis ad 2 cm. longis, omnibus remote brevi- 

 terque pinnatis. Folia caulina contigua, recte patula, concava, in 

 plano late ovata, symmetrica (1,5 mm. longa, medio 1,25 mm. lata) 

 apice obtusa vel rotundata, caulem vix tegentia. Cellulse superas 

 18 X 18 [X trigonis subnullis, ubique sequales. Lobulus parvus cau- 

 le duplo latior, subquadratus, cauli oblique incumbens brevi- 

 terque adnatus, angulo hbero obtuso. 



Hab. Africa : Insula Annobon (Mildbraed legit). 



244. Radula Nietneri St. n. sp. 



Dioica, mediocris rigidula, rufo-brunnea, in cortice dense de- 

 presso caespitans lateque expansa. Caulis ad 35 mm. longus, irre- 

 gulariter multiramosus. Folia caulina conferta, oblique patula, 

 valde concava, in plano obovata symmetrica (2,5 mm, longa, medio 

 2 mm. lata) apice obtusa vel rotundata, latissima basi inserta. 



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