Symphyogyna. franz stephani. spegies HEPATiCARmi. 35 



,19. Symphyogyna Volkensii St. n. sp. 



Dioica, maxinia, flaccida, dilute olivacea. Frons procumbens ad 7 cm. 

 longa, 15 mm. lata, crispata, simplex vel e latere costse ramosa, late 

 ligulata, apice parmn angustata profunde inciso-biloba. Costa angustis-. 

 sima, antice leniter concava, postice bene producta, medio 10 cellulas 

 crassa, abrupte in alas attenuala. Alse undulataj margine crispatae ceterum 

 integerrimse. Cellnlae alarum ad costam 45 X 72 [a, medio 36 X 63 ji, 

 tenerse, margine 18 X 63 ^ ibidemque trigonis incrassatae. Squama fem. 

 parva, anguste inserta, obovata, ad medium laciniata, laciniis lanceolatis, 

 margine repandis vel angulatis varieque tortis. 



Hab. Africa orient in Monte Kilimandscharo (Yolkens). 



Omnium maxima et facile distinguenda. 



20. Symphyogyna tenuicostata St. Englers Bot. Jahrb. 1895, 

 p. 306. 



Dioica, majuscula, tenerrima;, dilule-virens, dense depresso-csespitans. 

 Frons ad 35 mm. longa, 8 mm. lata, procumbens, plana vel undulata, 

 simplex vel postice ramosa, basi attenuatim alata, ceterum late ligulata 

 apice profunde inciso-biloba. Costa angustissima, postice bene producta, 

 medio 10 cellulas crassa, abrupte in alas attenuata. Alae integerrimae, 

 cellulis ad costam 45 X 90 {x, medio 45 X 68 [i, margine 18 X 108 {i, 

 trigonis nullis. Squama fem. parva anguste inserta, basi crassa ceterum 

 tenuis (unistrata) oblonga, ad medium biflda, laciniis irregulariter bifidis. 

 Calyptra ad 5 mm. longa, clavala, crassa. Androecia in planta longiore et 

 angustiore, longe linearia, bracteis confertis costam obvelantibus, alte 

 cucuUatis, margine bi- trifidis, 



Hab. Usambara (Holst); Kamerun (.lungner); Angola: Huilla (Antunes). 



. 21. Symphyogyna semi-involucrata Austin. Torrey Bot. 

 Club Y, p. 15. 



Dioica, mediocris, pallide virens vel rufescens, tenera. Frons pro- 

 cumbens, ad 2 cm longa, 3 mm. lata, undulata, integerrima, postice 

 ramosa, rare furcata, rainis interdum curvatis, apice decurvo radicantibus 

 et alas 'erectas conduplicatas gerentibus. Costa angusta, postice valde 

 producta, in sectione semicircularis, abrupte in alas attenuata, inedio 

 12 cellulas crassa. Alae tenerrimse interdum irregulariter interruptae et 

 sublobatse, apice profunde inciso-bilobee. Cellulas alarum ad costam 

 45 X 72 ^, medio 45 X 45 [x, margine 27 X 45 ^. Squama fem. parva, 

 plus minus profunde bifida vel triflda, laciniis lanceolatis, irregularibus, 



339 



