468 BULLETIN DE l'herbier boissier (2™« SÉR.). Syzygiella. 



ubique opposita, basi aiUica vix connata, anguste attenuatim concur- 

 renlia, postice limbo anguslo, gibboso-prominenle distincte coalita. 

 Celluldß magiice, 36 ^, basales parum longiores, Irigonis maximis basi 

 paruin minoribus incrassatce. Cuticula sublsevis. 

 Hab. Insula St. Tliomé (Africa occ. tropica) (Man). 



11. S. perfoliata (Sw.) Spruce J. of Bot. 1876, p. 32. 

 Syn. : Jungermannia perfoliata Sw. Fl. Ind. occ. III, p. 1849. 



Dioica, minor, ssepe tarnen longissima et gracilis, rufescens vel sub- 

 purpurascens, dense csespitosa. CaiiUs ad 10 cm. longus, remote longeque 

 ramosus, sub flore sterili innovatus. Folia caulina contigua, assurgenli- 

 secunda, concava, subrotunda, basibus oppositis bre\dter decurrentibus 

 contiguis vel postice breviter coalitis. Cellidde apicales 18 {j,, medio 27 [j,, 

 basales 18 X 36 ^ trigonis magnis grosse nodulosis. medio basique 

 ssepe trabeculatim confliienlibus. Cuticula minute papillata. Folia floralia 

 caulinis parum majora, bijuga, intima dorso ventreque coalita, ad medium 

 regulariter inciso-multifida, laciniis lanceolatis contiguis sequimagnis, 

 nusquam armatis. Amphig. florale magnum, foliis utrinque coalitum 

 oblongum, ad medium bifidum, lobis lanceolatis, canaliculatis vel tortis, 

 integerrimis. Perianthium (juvenile) obovatum, pluriplicatum, ore trun- 

 calo subinlegerrimo. 



Hab. Jamaica (Swartz), Portorico (Sintenis). 



12. S. oppositifolia Spruce in Gepp. Hep. Dorain. J. of Bot. 189o, 

 p. 362. 



Syn. : Jungermannia oppositifolia Spruce Torrey Bol. Gl. 1890, p. 138. 



Dioica, mediocris, gracilis, virescens, apice rosea vel flavo-rufula, dense 

 csespilosa. Caulis ad 7 cm. longus, parum longeque ramosus, sub flore 

 sterili innovatus. Folia caulina subimbricata (inferiora remota), subor- 

 biculata, assurgenti-secunda, laxe accumbentia, basibus utrinque conti- 

 guis. rarissime postice connatis. Cellulœ 27 [x, basi duplo longiores, 

 li'igonis magnis acutis. Cuticula grosse papillata. Folia floralia caulinis 

 majora, cum amphigastrio florali in excipulum antice ad basin usque 

 fissum alte connata, sat regulariter inciso-plurilobata, lobis ovato-oblongis 

 acutis integerrimis, bic illic angulatis ; amphig. florale vix definitum. 

 Peiianihia quadriplicata, sub apice constricta, apice subtubulosa, ore 

 truncato repando subinlegerrimo. 



Hab. Bolivia (Mandon, Rusby). 



13. S. rubricaulis (Nees) Sl. 



Syn. : Jungermannia rubricaulis Nees in Mart. Flor. bras. I, p. 344, 

 Dioica, major, .saepe longissima, flavo-rufescens, apice interdum pur- 



187 



