Radula. franz stephani. species hepaticarum (Vol.VI, 192-4)' 



late rotundata, ad medium inserta, basi antica rotundata, caulem 

 vix tegentia. Cellulae superse 18xl8[x, basales 18x27 [x, trigonis 

 majusculis acutis. Lobulus magnus, optime quadratus, folio duplo 

 brevior, carina stricta, stricte in folium excurrens, apice recte 

 truncatus, angulo obtuso, sub apice leviter constrictus. 

 Hab. Japonia (Uematsu legit). 



227. Radula dominicensis St. n. sp. 



Sterilis minor, flaccida, rufescens, in cortice arcte repens, laxe 

 intricata. Caulis ad 3 cm, longus, remote longeque ramosus, ramis 

 longioribus breviter pinnulatis. Folia caulina conferta, subrecte 

 patula, valde concava, in plano ovato-trigona (1,1 mm. longa, supra 

 basin 1 mm. lata) margine supero longe arcuato, infero sinuato, 

 apice obtusa vel rotundata, ad medium inserta, basi antica trun- 

 cato-rotundata. Cellulse. superae 18 x 18 fx trigonis nullis, parietibus 

 tenuibus, basales 18x27;/ parietibus validis. Lobulus magnus, 

 folio duplo brevior, ovato-triangulatus, carina oblique adscendens,. 

 arcuata, amplo sinu in folium excurrens, apice oblique truncato,^ 

 angulo obtuso. 



Hab. Insula Dominica (Elliott legit). 



228. Radula Fernandezana St. n. sp. 



Sterilis minor, flaccida, flavescens, corticola. Caulis ad 2 cm. 

 longus, dense regulariterque bipinnatus. Folia caulina contigua,. 

 oblique patula, valde concava, in plano late ovato-trigona (1,67 

 mm. longa, basi 1,83 mm. lata) latissima basi inserta, basi antica 

 arcuata, caulem vix tegentia, apice obtusa, margine supero longe 

 arcuato, infero sinuato. Cellulse superx 18 x 18 (j., basales 18 x27 (x^ 

 trigonis subnullis, parietibus validis. Lobulus parvus, subrhombeus, 

 folio triplo brevior margine supero carinae parallelo, apice oblique 

 truncatus, angulo obtuso, 



Hab. Juan Fernandez ; Paiagonia (Skottsberg legit). 



229. Radula fissifoISa St. n. sp. 



Sterilis exigua, dilute brunnea, rigida, rupicola. Caulis ad 8 mm. 

 longus, irregulariter breviterque pinnatas. Folia caulina conferta, 

 recte patula, hamatim decurva, in plano oblongo-trigona (1,2 mm^ 

 longa, supra basin 0,75 mm. lata) asymmetrica, margine supero 

 longe arcuato, infero leviter sinuato, apice obtusa longeque bifida, 

 segmentis subsetaccis porrectis, sinu obtuso. Cellulse superse 18 x 

 18 (X, parietibu.s validissimis, basales 18x36 m,, trigonis acutis irt 



507 



