6()2 BULLETiN DE l'herbikr boissier, Aneura. 



papillatce, papillis hrevibiis trimcatis. Antheridia in margine ala? longius 

 seriala. 

 Hab. Oran, El Kreider (Trabut). 



ANEURA Durn. 



Sylloge 1831, p. 85. 



Plantse frondosae, lerrestres corticolaj vel rupicolse, exigUce, mediocres 

 vel gigantese, virides vel rufescentes , perssepe olivaceae, semper carnosae 

 rigidgeque, erecto-vel depresso-csespitosa?, stolonibus affixse, in paucis 

 arcte in solo repentes (^4. pinguis et affines). Frons pro more anguste 

 linearis, monopodialiler ramosa, seepe optime pinnala etgracillima, pinnis 

 ssepe unilateralibus, altero latere stoloniformibus. Truncus semper fere 

 biconvexus, interdum subteres (ramis semper minus crassis). in paucis 

 latus, planus, ubique aequicrassus. Costa nusquam abrupte definita, in 

 alas ubi adsunt plus minus latas attenuata. Costse cellulse centrales elon- 

 galae, corticalibus fere semper multoties ampliores; epidermis \?dYis . in 

 paucis verrucosa vel pubescens vel lamellata. Cellulce alarum ad costam 

 maxima?, versus marginem sensim minores, marginales integerrima?, 

 interdum papuloso-alte-prominulse, in paucis dentiformes. Ramorum 

 apices cellulis clavatis, ssepe maxime muciferis obtecli. Inflorescentia 

 dioica, rarius monoica. Rami feminei in trunco vel solitarii vel oppositi, 

 simplices vel furcati, interdum innovati, semper ex apice pinnularum 

 orti, basi itaque steriles, apice pro more decurvi vel nodulosi. interdum 

 disciformes, margine erecto semper armato, lacinulato vel pilifero ; 

 pistilla biseriata, alternantia, breves, cellulis vel squamulis interjectis 

 tecta. Cahjptra cylindrica vel clavata, parietibus valde carnosis, Isevis vel 

 plus minus hirta, mamilla apicali coronata, inferne pistilla sterilia gerens. 

 Capsula breviter pedicellata. oblongo-cylindrica, usque ad basin quadri- 

 valvis; valvulse bistralse annulatim incrassatse, apice elateribus cylindricis 

 adhaerentibus barbatse. Elateres decidui monospiri. breves, e medio am- 

 pliore maxime attenuati. Sporse parvae, Iffives vel asperulaj. Rami masculi 

 ex apice pinnarum orti, (basi itaque steriles) solitarii vel oppositi vel re- 

 gulariter pinnatin consecutivi, pro more pinnis pinnulisque ultimis in- 

 serti, angusti, breves strictique vel longiores et sub fronde curvatim oc- 

 culti, in una fere circinati, simplices vel furcati, interdum ex apice vege- 



203 



