poitpodiej:. kxi. 



Leptostbgia, 2ftjjpeZZ. MS; Phtxacoeteeis, Sjanze MSj Lastbe^ sp., 

 BorysxiAAuct.; Lepictstidis bt^., J.Smith; AspiDiisp., ^mc*.," Athyeii 



Bp., ^(iCi.; GeAMMITUIIS Sp., ^ttCi. ; NOTHOCHt^WJE Sp., P^e ; XlPHO- 



PTEBiDis sp., Sprengel; Aceostichi sp.,^KCif.; Cheilahthis sp., Auct; 

 Htpolepidis sp., Aiict. ; AisopHiLa: sp., Auot. ; &c. 



Sori non-indusiate, globose or ovoid, superficial or immersed ; 

 the receptacles terminal or medial on tlie free veins. Veins 

 aim.ple or forked from a central costa, or simple costseform in 

 the ultimate segments ; vemiles free. 



Pronds coriaceous herbaceous or membranaceous, simple pin- 



natifid pinnate or bi-tri-piunat.e, articulated or continuous with 



the rhizome, the pinnae sometimes articulated with the rachis. 



E-hizome creeping, or short erect or decumbent ; or caudiciform. 



§ Ctenc^teriB. — Sori tennmal ; fronds articulated with, the rhizome. 



Ex. : P. pectinatum, Lm. 

 P. ar^atum, Bory, 

 P, setigerum, Bl. 

 P. Tulgare, Lm. 

 P. procurrens, Kze. 



P. rigescens, Bory. 

 P. pilipes, Sook. 

 P, incantun, Sw. 

 P. frateriiimij Schlech, 

 P. eUipsoideum, JVe. 



§ ArtJiropteris. — Sori terminal ; fronds and pinnae articulated. 

 Ex. : P. tenellum, Forst. \ P. filipes, Moore. 



§ Adenophorue. — Sori terminal, solitary on dilated, i.e., ohovate recep- 

 tacles terminating simple costa-like i.e. central veins ; fronds ad- 

 herentj i.e., continuous with the rhizome. 

 Ex.: P. hymenophylloides, Xlfs. | P. tamarisclnum, K^fs^ 

 P, adenophoruSj^i. OTwi^rn. | P. fallax, Schlech. 



§ Broseehium. — Sori terminal on punctiform receptacles ; fronds adherent. 

 Ex. : P. pendulum, Sw. \ P. suspensum, Lm. 



§ Bhegopteris. — Sori medial, punctiform or sub-elongated j fronds con- 

 tinuous or adherent, 



P. Dryopteris, Jjin. 



Ex. : P. PhegopteriSj Lin. 

 P. hastBefolium, Sw. 

 P. drepanum (Aspidiima, Sw.J 

 P. spectabile, Xi/s. 



P. cordatum (Phegopteris, F^e.J 

 P. eflEusum, Sw. 

 P. decuBsatum, Lin. 



§ ThemeUnm. — Sori basal solitary, i.e., the receptacles at the base of the 

 simple costarlike veins ; fronds adherent. 

 Ex. : P. tenuisectum, Bl. 



* * Veins cormivently anastomosing. 



102, GOITIOPTERIS, Presl, Tent. Fterid. 181. 



Gly^kotmnivts:, J. Smith; Poltpodii sp., ^mc*. ; Mehtscii Bi^.^Auct,; 

 Gtmnogeammatis sp., Auct. ; Aspidii sp.. And. ; Ctekopteeidis sp., J. 

 Smith; Phegopteeidis sp., .4tte^, 



Sori non-indusiate, globose ; the receptacles medial or termi- 

 nal. Veins pinnate, prominent ; vermles (lower pair or more) 



a2 



