A, Zippell. MS ; PHTLACOPTERIS, Kunze MS ; LASTBB.S sp., 

 Bory and Auct.; LEPICYSTIDIS sp., J. Smith; ASPIDII sp., Auct.; ATHTBII 

 sp., Auct. ; UK.VMMITIDIS sp., Auct. ; NOTHOCHL^N^ sp., Fee ; XIPHO- 

 PTEEIDIS sp., Sprengel ; ACBOSTICHI &p.,Auct.; CHBILANIHIS sp., Auct.; 

 HYPOLEPIDIS sp., Auct. ; ALSOPHIL.E sp., Auct. ; &c. 



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

 the receptacles terminal or medial on the free veins. Veins 

 simple or forked from a central costa, or simple costseform in 

 the ultimate segments ; verndes free. 



Fronds coriaceous herbaceous or membranaceous, simple pin- 



natifid pinnate or bi-tri-pinnate, articulated or continuous with 



the rhizome, the pinnae sometimes articulated with the rachis. 



Ehizome creeping, or short erect or decumbent ; or caudiciform. 



Ctenopteris. Sori terminal; fronds articulated with the rhizome. 



Ex.: P. pectinatum, Lin. 

 P. argyratum, Bory, 

 P. setigerum, BL. 

 P. vulgare, Lin. 

 P. procurrens, Eze. 



P. rigescens, Sory. 



P. pilipes, 



P. incanuin, SK. 



P. fratemum, SMecli. 



P. ellipsoideum, Fee. 



Arthropteris. Sori terminal ; fronds and pinnae articulated. 

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



Adenophorus. Sori terminal, solitary on dilated, i.e., obovate recep- 

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

 herent, Le., continuous with the rhizome. 

 Ex. : P. hymenophylloides, Klfs. I P. tamariscinum, Elf*. 



P. adenophoius,Hk.andArn. \ P. fallax, Schleeh. 



Prosechium. Sori terminal on punctiform receptacles; fronds adherent. 

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



Phegopteris.Sori medial, punctiform or sub-elongated; fronds con- 

 tinuous or adherent. 



Ex. : P. Phegopteris, Lin. 

 P. hastsefolium, Sw. 

 P. drepanum (Aspidi 

 P. spectabile, Klfs, 



P. Dryopteris, Lin. 



P. cordatum (Phegopteris, Fee.) 



P. effusum, Sw. 



P. decussatum, Lin. 



Themeliwm Sori basal solitary, i.e., the receptacles at the base of the 



simple 'costa-like veins ; fronds adherent. 

 Ex.: P. tenuisectum, M. 



* * Veins connivently anastomosing. 

 102. GONIOPTERIS, Presl, Tent. Pterid. 18L 



GLTPHOT^NIUM, J. Smith; POLTPODII sp., Auct.; MENISCII *f.,Auct,; 

 GTMJTOGEAMMATIS sp., Auct. ; ASPIDII sp., Auct. ; CTENOPTEEIDIS sp., J. 



Smith ; PHEGOPTEEIDIS Sp., Auct. 



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

 nal. Veins pinnate, prominent j venules (lower pair or more) 



G2 



