38 MÉMOIRES DE l'herbier BOissiER. Symphyogyna. 



26. Symphyogynja exincrassata Si. n. sp. 



Dioica, major, tenerrima, dilute vireris, in cortice palmarum gregarie 

 crescens. Frons procumbens, ad 25 mm. longa, basi breviter stipitata, 

 superne furcata, furcis ad 5 mm. latis, apice anguslatis, hreviler inciso- 

 bilobis, subplanis. Costa angusta, antice leniter concava, postice maxime 

 producta, medio 16 cellulas crassa in sectione fere semicircularis, abrupte 

 in alas excurrens. Alœ tenerrimse, integerrimœ , cellulis ad costam 

 54 X S4 |jL, medio 27 X 45 {jl, margine 20 X 27 ^, parietibus lenuibus, 

 Squama fem. anguste inserta, oblonga (duplo longior quam lata) tertio 

 supero trifîda, laciniis lanceolatis apice longe capillaceis. Calyptra (juve- 

 nilis) crassa, pistillis giganteis obtecta. Andrœcia in planta parum gra- 

 ciliore longe linearia, bracteis magnis approximatis convexis, varie 

 lacinulatis. 



Hab. Tahiti (Jules Lépine.) 



27. Symphyogyna vitiensis .lack et St. Bot. Centr. Blatt. 1894, 

 no 43. 



Dioica^ major, tenerrima, dilute viridis. Frons procumbens ad 4 cm. 

 longa, Simplex vel postice ramosa vel furcata, furcis 3 mm. latis, planis, 

 ligulatis apice late rotundatis breviter inciso-bilobis. Costa angusta, medio 

 16 cellulas crassa, postice valde producta, in sectione semicircularis, 

 abrupte in alas attenuata. Fasciculum fîbrovas. tenue. Alae integerrimse a 

 Costa leniter adscendentes subinde curvatim explanatse; cellulse alarum 

 ad costam 27 X 54 [i, medio 27 X 30 [a, margine 18 X 45 pi. Squama 

 fem. parva, late inserta ad 7^ lacerata, laciniis irregularibus longe capil- 

 laceis. Andrœcia in planta angustiore secus costam biseriata, bracteis 

 remotiusculis alternantibus, inflatis denlatis, 



Hab. Viti-Ovalau (Greeffe). 



28. Symphyogyna brevicaulis Colenso. Trans. N. Z. Inst. 



1885. 



Dioica, mediocris. pallide viridis, tenera. Frons procumbens, ad 25 mm. 

 longa, furcata, furcis 5 mm. latis, basi breviter exalata, ceterum undulata, 

 apice profunde inciso-bilboa. Costa angusta, crassa, alte biconvexa, medio 

 16 cellulas crassa, postice magis producta, abrupte in alas attenuata. Alœ 

 integerrimse, basi pluristratse. Cellulae alarum ad costam 45 X 90 ^, 

 medio 45 X 54 jx, margine 27 X 54^, ex incrassatse Squama fem, 

 minima, apice breviter obtuseque lobulata. Calyptra 4 mm. longa, crassa. 

 Capsula oblongo-cylindrica, obtusa in pedicello perbrevi et parum 



342 



