458 CXLII. GRAMINER. 
pointless, herbaceous, many-nerved. Flowering glume ab- 
ruptly setigerous from its entire apex, rarely pointless; palea 
flat, 2-nerved, with inflexed edges, ciliate on the nerves.— 
Nees, l.c. p. 456, and p. 457 sub Trachynia. 
Differing from Bromus chiefly in inflorescence.—3 Cape species. 
In the subgenus Zrachynia, the spikelets are generally few in number, 
with more than 10 flowers in each, and are often more flattened than in or- 
dinary Brachypodium. 
89. HORDEUM, Linn. 
Spikelets spiked, set three together on a toothed, jointed 
rachis, 1-flowered, the middle spikelet sfertile, the lateral ste- 
rile. Outer glumes 2, subopposite, subulate-aristate, narrow, 
rigid. Flowering glume subcoriaceous, convex, tapering into a 
long, straight, terminal awn; palea oblong or lanceolate, 2- 
nerved, the nerves raised and ciliate. Grain mostly adhering 
to the flowering glume and palea.— ees, l.c. p. 361. 
Wild Barley; H. Capensis, peculiar to the Cape, and H. murinum, a 
cosmopolitan species, found about roads and old walls, in seaport towns. 
Cuass III. ACOTYLEDONES. 
Orprr CXLIII. FILICES.* 
Fructification usually minute, consisting of microscopic 
spores contained in very small, almost microscopic, capsules 
(sporangia), which are 1-celled and gathered together in heaps 
(sori) of various shapes on the under side of the leafy portion 
of the plant (called the frond), or arranged in a separate spike 
or panicle, or joined together in concrete masses. Sori often 
enclosed in or hidden under an involucre, which may consist 
of a membranous scale or cup, or of the reflexed margin of 
the frond. Capsules mostly stalked and surrounded by an in- 
complete jointed ring, but sometimes the ring is absent or 
confined to the apex of the capsule-—In most. of the South 
African species the caudex or main stem is but slightly ele- 
vated, but in the tribe Cyathee, represented by two Cape spe- 
cies, it is woody, and the trunk often reaches a considerable 
height. In all but Ophioglossee the vernation is circinate, the 
young frond being rolled inwards like the head of a crosier. 
Suborder 1. Gleichenieze. Vernation circinate. Sori dorsal, of few 
capsules, which are sessile, open vertically, and have a broad, transverse, 
complete ring. 
The only genus . . 2 - es + « + «> « L. GUEIOHENEE, 
* By J. G. Baker, F.LS. 
