in 



EX-INVOLUCRATE^. 

 PoLYPODiUM, Linn. 



Veins free. Stems continuous with the caudex. 

 *Sori medial on the veins. 



Veins pinnate, the lower veinlets of continuous 

 groups joining. 



V^eins free. Stems articulated to rhizome, sori 

 generally terminal on the veins. 



Veins forming ample regidar areolae, eacii with a 

 single distinct free included veinlet, the 

 sori terminal on the latter, often in the costal 

 areolae only, sometimes in second or even 

 third row. 



Primary veins distant from the mibrib to the edge, 

 connected by parrallel veinlets, the areolae 

 similar, containing two or more sori, the 

 free veinlets all directed towards the edge. 



Areohe fine, copious, irregular, the free veinlets 

 spreading in various directions, the sori 

 various in position, generally on the bacii 

 of united veinlets. 



I. Eu-Phegopteris. 



Stipes densely tufted. Frond 2 feet or more long ; 

 8-10 in broad. 

 Upper and midland districts. 



n. GONIOPTERIS. 



Sori medial, frond often proliferous. 



Coast near Durban ; Verulam. 

 Sori close to main veins ; frond often gemmiferous. 



Near streams in woods ; Midlands. 



I. Eu-Phegopteris. 



II. GONIOPTERIS. 

 in. Eu-POLYPODIUM, 



IV. GONIOPHLEBIDM. 



V. Campyloneuhum. 



VI. Phymatodis. 



OBTUSILOBUM, Desv. 



PROLIFERUM, Presl. 

 UNITUM, Hk. 



m. Eu-POLYPODIDM. 



Pinnate or pinnatifid. Fronds naked. vulgare, Linn, 



Common " polypody." Dargle to Drakensberg. 



IV. GrONIOPHLEBIUM, 



Rhizome creeping, fronds pinnatifid, densely scaly 

 beneath. 



V. Campyloneurdm. 

 Frond simple, densely white woolly. 



VI. Phymatodes. 



Fronds simple with small scattered scales beneath. 

 On trees and rocks from 1500 feet alt. to 

 Drakensberg, 



INOANDM, Sw. 



auriganum, Mett. 



LANCEOLATUM, Linn. 



