28 MÉMOIRES DE l'herbier BOissiER. Symphyogynu. 



4. Symphyogyna rhodina Taylor. J. of Bot. 1845, p. 93. 

 Dioica, minor, tenera, viridis vel roseo-picta. Frons lenerrima, fragilis, 



ad 10 mm. longa, procumbens, repetito-furcata, furcis brevibus 5 mm. 

 longis. in piano late ligulatis, 4 mm. latis, canaliculatis. Costa pro planta 

 lata, medio 14 cellulas crassa, ventre late rotundata, sinuatim in alas 

 excurrens. Alae ereclce vel recurvse, basi pluristratse, ceterum tenerrimse, 

 margine remote spinosœ, spinis validis strictis, brevibus, longe acuminatis, 

 oblique patulis. Cellulae alarum ad costam 36 X 72 [x, medio 36 X 54 ^' 

 margine 17 X 54 jx. Squama fem. anguste inserta, profunde et irregu- 

 lariter lobata, lobis basi saepe constrictis, apice spathulalis et longe 

 grosseque laciniatis. antice lacinulis acutis auctis. Calyptra maxima, 

 6 mm. longa, crassa. Capsula cylindrica, acuta in pedicello 8 mm. longo. 

 Sporœ 20 ;x, asperse. Elateres valde attenuati (medio 9 <^ in diam.) fîbris 

 anguste torlis. Andrœcia in planta minore apicalia bracteis confertis 

 emarginato-biciliatis. 

 Hab. Tasmania (Lyell. Oldfîeld), New Zealand (Colenso). 



5. Symphyogyna Lehmanniana M. N. Syn. Hep., p. 483. 

 Dioica, minor, gracilis, tenera, dilute viridis vel flavo-rufescens. Frons 



ad 3 cm. longa, vix 2 mm. lata, procumbens, subplana, furcala, furcis ad 

 2 mm. longis, anguste ligulatis apice ssepe attenuatis radicantibus, rami 

 adventivi postici numerosi. Costa angusta, tenuis (medio 8 cellulas crassa) 

 plano-biconvexa, sensim in alas attenuata. Alœ normaliter dentalse, 

 dentibus remotis, brevibus (1-2 cellulas longis). Cellulœ alarum 

 margine 12 X 72 {j., medio 45 X 63 ji, ad costam parum longiores. 

 Squama fem. plus minus incisa, parva, laciniis SEepe capillaceis simpli- 

 cibus. 

 Hab. Cape of good hope. (Ecklon, Rehmann. Jelinek). ■ 



6. Symphyogyna atronervia Tayl. J. of Bot. 1846, p. 409. 

 Dioica, major, flaccida, olivacea vel pallide virens, laxe depresso 



caespitosa. Frons ad 4 cm. longa, 5 mm. lata, procumbens, linearis, ssepe 

 asymmetrica, alis uno latere minus evolutis, nusquam furcata, interdum 

 postice ramosa, subplana. Costa angusta, colorata, postice bene producta, 

 medio 12 cellulas crassa, abrupte in alas attenuata. Alae tenerrimse mar- 

 gine remote breviterque dentatae, dentibus unicellularibus. Cellulae alarum 

 45 X 74, basi (ad costam) longiores, margine anguste rectangulalas, 

 longge. Squama fem. parva, anguste inserta, obovata, medio supero 

 laciniata, laciniis plus minus lanceolatis, acutis; Andrœcia secus costam 



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