Involucre formed of refiexed margin. Fronds cixjspitose, 

 linear, simple or dichotomous. 



Gen. 2.— Anemia. Sw. Spore cases tlic same, placed 

 on one-sided spikes, densely panicled, biserial. No involucre. 

 Fertile portion o^ frond dissimilar. 



Gen. 3. — Mohria. Sw. Spore cases sub-globose, sessile, 

 reticulate, placed near concave margins ol" under side of 

 frond. Fertile frond partially contracted. 



Actiriostachy>=, Wallicli., Lygodictyon, I. 8m., Lygodium, Sw., 

 Aiiemidictyon, I. Sm,, and Trochopteris, Gardner , are not repre- 

 sented in .'South Africa. 



Order OSMUND ACE^. Mart. Spore cases, dorsal 

 or panicled, stalked, with abroad dorsal incomplete ring. 



Gen. L — Osmunda. Linn. ♦Sy^ore c«^(".9, heaped on lateral 

 or terminal pinna?, contracted. 



Gen. 2. — Todea, Willd. Spore cases, heaped on veins, 

 upon under side of frond, thickly or thinly spread. 



Order MARATTIACEiE. Kaulf. Spore cases, vf'iih- 

 out a ring, dorsal, combined in masses, and splitting by a 

 central cleft. 



Gen. 1. — Marattia. Sw. Sori oblong, sessile on forked 

 veinlet, in single series^ near the margin. Involucre coriaceous, 



Eupodium, I. Sm., Angiopteris, Hoffmann., Dantea, Sm., and 

 Kaulfussia, Bl., are not represented in South Africa, 



Order OPHIOGLOSSE^. Br. Spore cases, ringless, 

 distinct, bivalved, formed on margin of a contracted leaf. 



Gen. 1. — Ophioglossum. Linn. Spike undivided in two 

 rows. 



Botrychium, Sw., and Helminthostachys Kaulf. arc not repre- 

 sented in South Africa. 



Order LYCOPODIACE^. Sw. Spore cases axil- 

 lary, one to three-celled. 



Gen. L — Lycopodium. Linn. Spore cases, 1 to 4-lobcd, 

 sessile ; often in spikes. 



Gen. 2. — Psilotum. Sw. Spore cases, 3-lobcd, globose, 

 sessile, solitary, at base of minute leaves. 



Tmesipteris, Bernh., is not represented in South x\frio.i. 



