40 
The Ferns of South Africa. 
Sub-Order V. — Schiz^eace^e. Ring of capsule horizontal, con- 
fined to the upper portion. Capsule opening down the side. 
Vernation circinate. 
Genus XXXIII. — Schiz^ea. Fertile segment pinnate, at the 
top of a grass-like frond. Barren frond grass-like. 
Genus XXXIV. — Aneimia. Fertile part of frond distinct, 
without lamina, much branched, rising from the base of a 
pinnate, leafy, barren frond. 
Genus XXXV. — Mohria. Capsules marginal, or nearly 
marginal, on ordinary fronds. 
Sub-Order VI. — Marattiace^e. Capsules united in a double 
line into a concrete sorus. Sori on the back of ordinary 
pinnae. Vernation circinate. 
Genus XXXVI. — Marattia. Characters as above. 
Sub-Order VII. — Ophioglossace^e. Capsules without a ring, 
permanent, and united into a line on each side the spike, 
which is separate from the barren pinnae. Vernation erect. 
Genus XXXVII. — Ophioglossum. Fertile segment of frond, 
simple. 
ORDER II. — EQUISETACEzE. 
Fertile cone terminal on the stem, and formed of numerous, 
peltate receptacles, under the margin of which are placed the 
capsules, containing uniform spores, each with four hygro- 
metric filaments attached. 
Genus XXXVIII. — Equisetum. Characters as above. 
ORDER III.— LYCOPODIACE.E. 
Capsules uniform, placed singly in the axils of ordinary leaves ; 
or of bracts arranged in terminal spikes. 
Genus XXXIX. — Lycopodium. Capsules reniform, one 
celled, opening lengthways along the top. 
Genus XL. — Psilotum. Capsules three-lobed, three-celled, 
each cell splitting down its centre. 
