9 
involucre formed of refiexed margin. Fronds ctespitose, 
linear, simple or dichotomous. 
Gen. 2. — Anemia. Sw. Spore cases the same, placed 
on one-sided spikes, densely panieled, biserial. No involucre . 
Fertile portion of frond dissimilar. 
Gen. 3. — Mohria. Sw. Spore cases sub-globose, sessile, 
reticulate, placed near concave margins of under side of 
frond. Fertile frond partially contracted. 
Actinostachys, Wallich., Lygodictyon, I. Sm., Lygodiuin, Sw., 
Anemidictyon, I. Sm., and Trochopteris, Gardner , are not repre- 
sented in South Africa. 
Order OSMUNDACEHE. Mart. Spore cases, dorsal 
or panicied, stalked, with a broad dorsal incomplete ring. 
Gen. 1 . — Osmunda . Linn. Spore cases, heaped on lateral 
or terminal pinnae, contracted. 
Gen. 2. — Todea. Willd. Spore cases, heaped on veins, 
upon under side of frond, thickly or thinly spread. 
Order MAR ATTIACEiE. Kaulf. Spore cases, with- 
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 OPHIOGLOSSE2E. Br. Spore cases, rinojless, 
distinct, bivalved, formed on margin of a contracted leaf. 
Gen. 1. — Opliioglossum. Linn. Spike undivided in two 
rows. 
Botrychium, Sw., and Helminthostacbys Kaulf. are not repre- 
sented in South Africa. 
Order LYCOPODIACE2E. Sw. Spore cases axil- 
lary, one to three-celled. 
Gen. 1 . — Lycopodium . Linn. Spore cuses, 1 to 4-lobed, 
sessile ; often in spikes. 
Gen. 2. — Psilotum. Sw. Spore cases , 3-lobed, globose, 
sessile, solitary, at base of minute leaves. 
Tmesipteris, Bernli., is not represented in South Africa. 
