(Vol. V, 1913). FRANZ STEPHANI. SPECIES HEPATICARUM Ceratolejeunea . 



— ■ 97. Geratolejeunea variabilis (Ldbg.) S. Hep. Am. And. p. 206. 

 Syn. : Lejeunea variabilis Ldbg. Syn. Hep. p. 399. 



Colura variabilis. Trevis. Mem. Ist. Lomb. 1877. p. 402. 

 Dioica major, rufo-brunnea, in cortice spongiose caespitans lateque 

 expansa. Caulis ad 3 cm. longus, irreguiariter ramosus, ramissparsim 

 pinnulatis, apice longe simplicibus, aliis regulariter denseque pinnatis. 

 Folia caulina parum imbricata, recte patula, valde concava, apice arcte 

 decurva, in plano late ovata, symmetrica (1 ,25 mm. longa, 0,9 mm. lata) 

 apice apiculata, sub apicc paucidentata, brevi basi inserta, basi antica 

 truncato-rotundata. Cellulse superae 18 jx, basales 27 X 36 {jl trigonis 

 nullis ; ocelli nulli. Lobulus parvus, folio quintuplo brevior, recte patens, 

 ovato-triangulatus, carina leviterarcuata, levi sinu in foliumexcurrens, 

 apicc quarn basis triplo angustiore, recte truncato, angulo obtuso ; 

 lobuli inferi parum majores, valde inflati, carina saccata, margine 

 supero arcuato. Utriculi sparsi, suprabasin pinnarum solitarii. Amphi- 

 gastria caulina gigantea, reniformia, duplo latiora quam longa, sinua- 

 tim inserta, ad l /i inciso-biloba, rima angusta, lobis late triangulatis 

 acutis. Perianthia magna, oblonga, inflata, uno vel utroque latere 

 innovata, apice anguste quadricornuta, cornibus obtusis, 0,5 mm. 

 longis, lateralibus divergontibus, poslicis porrectis. /Wmi floralia max- 

 ima, perianthio subaequilonga, spathulata, superne plus minus valide 

 dentata, interdum nuda. Lobulus duplo brevior, anguste lanceolatus, 

 ad niedium solutus acuminatus integerrimus vel paucidentatus. Amphi- 

 gastrivm Ilorale, lobulis parum longius, obovato-oblongum, duplo 

 longius quam latum, ad V& inciso-bilobatum, lobis acutis, sinu subrecto. 

 Andrm ia sessilia vel in ramulis terminalia, bracleis paucijugis. 



98. Geratolejeunea vitiensis St. n. sp. 



Dioica major ilavicans, nliis lumaticis consociata. Caulis ad 6 cm. 

 longus, subregulariter pinnatus, pinnis longioribus simplicibus, vel 

 pinnula auctis. Folia caulina parum imbricata, recte patula, decurvula, 

 in plano ovata (1,17 mm. longa, 0,83 mm. lata) asymmetrica, margine 

 postico substricto, antico late curvato, brevi basi inserta, basi antica 

 truncato-sinuata, apice apiculata, sub apice regulariter denticulata. 

 Cellulx superaj 18 {i, basales 18X36 ocelli nulli. Lobulus parvus, 

 in situ ovatus, in plano subtriangulatus, folio quintuplo brevior, oblique 

 adscendens, carina arcuata, amplo sinu in folium excurrens, apice 

 emarginatus, quam basis triplo angustiore, angulo acuto ; utriculi 

 sparsi, in ramis basalibus oppositi. Amphigastria caulina majuscula, 

 448 



