FILICES. 159 



TRICHOMANES. Smith. Swartz. 



Sori marginales. Capsulce sessiles, receptaculo communi cy- 

 lindraceo insertae, intra Involucrum monophyllum, subur- 

 ceolatum, ore hiante, textura frondis. 

 Surculi repenies, tomentosi. Frondes pellucidce, areolatce, rarb 

 indivisce scepius 1 — 3-pinnatiJidce, laciniis uninervibus, in- 

 volucro terminali, receptaculo capsularum plerumque exserto, 

 elongato. 



Obs. Hujus generis est Hymenophyllum alatum. Eng. bot. 

 141/. 



1. T. venosum, frondibus pinnatis, pinnis linearibus venosis cre- 



nato-repandis : inferioribus basi lobatis v. pinnatifidis intiis- 

 que unifloris. (D. J.). v. v. 



HYMENOPHYLLUM. Smith. Swartx. 



Sori marginales. Capsulce sessiles, receptaculo communi cylin- 

 draceo insertae, intra Involucrum bivalve, textura fron- 

 dis, valvis planis exteriiis liberis. 



Obs. Habitus penitus Trichomanis. Receptaculum capsula» 

 rum in plerisque inclusum, in nonnullis exsertum. 



J. H. rarum, frondibus bipinnatifidis lanceolatis glabris raris, 

 laciniis margine integerrimis : inferioribus bifidis, involu- 

 cris terminalibussolitariis, valvis subrotundis. (D.) v. v. 



2. H. nitens, frondibus tripinnatifidis lanceolatis glabris, laci- 



niis linearibus obtusis subemarginatis integris, involucris 

 terminalibus, valvis oblate orbicularibus. (D.) v. v, 



3. H. flalellatum, frondibus 3 — 4'pinnatifldis glabrii, rachibuj 



alatis undulatis, laciniis linearibus obtusis indivisis bifidisve 

 margine integerrimis, involucris terminalibus solitariis ge- 

 minisve, valvis ovatis. (D.) v. v. 

 Hymenophyllum flabellatum. Labill. nov. holl. 2. p. 101. 

 /. 250./. 1. 



4. H. tunbridgense, frondibus bipinnatifidis glabris, laciniis li- 



nearibus indivisis bifidisve involucroque supra axillari spi- 



nuloso-dentatis. (J. D.) v. v. 

 Hymenophyllum tunbridgense. Smith. Swartz. 

 Hymenophyllum cupressiforme. Labill. nov. holl. 2. p. 102. 



/. 250. /. 2. 



n. GLEI- 



