l6. GRAMINEAE lOI 



184. Flowering glumes glabrous, entire, produced into a fine point. Axis of 



the spikelets hairy. Lowest flower of each spikelet usually male. 

 Panicles lax. — Species 2. Used in house-building, for plaiting-work and 

 divers utensils, and as ornamental grasses ; the root-stock is edible 

 and used in medicine. " Reed." {Trichoon Roth) Phragmites Trin. 

 Flowering glumes hairy, ii-toothed, with a mucro in the notch. Axis of 

 the spikelets glabrous. Flowers all hermaphrodite or the uppermost 

 flower or all flowers of the lower spikelets male. Panicles dense. — Species 

 5. North Africa, Madagascar, South Africa. Used in house-building, 

 for plaiting-work, and as medicinal, fodder-, and ornamental plants. 

 " Reed." {Donax Beauv., including Neyraudia Hook, fil.) Arundo L. 



185. Stigmas shortly papillose on all sides, projecting between the tips of the 



flowering glumes ; styles long. [Subtribe seslerinae.] . . 186 



Stigmas feathery, rather short, projecting near the base of the flowering 



glumes ; styles short or almost wanting 191 



186. Styles united at the base. Stigmas spirally twisted Spikelets in one- 



sided spikes or spike-like racemes, 2-flowered, very rarely 3 — ^4-flowered. 



Glumes many-nerved ; the outer ones unarmed, the flowering ones 



awned. Leaves transversely veined. (See 103.) Streptogyne Beauv. 



Styles free. Spikelets in sometimes spike-like panicles or in heads. 187 



187. Spikelets in spike-like panicles, falling singly and entire, 2-flowered, very 



rarely 3 — •4-flowered, the uppermost flower male. Glumes awned or 



mucronate. (See 130.) Fingerhuthia Nees 



Spikelets in heads or head-like panicles or in fascicles arranged in spike- 

 like panicles, not falling entire 188 



188. Spikelets in fascicles arranged in slender spike-like panicles, rarely in 



heads, and then stamen i. Glumes i — 3-nerved, mucronate or awned. 

 Spikelets 3 — 7-flowered. — Species 2. Central Africa. 



Elytrophorus Beauv. 

 Spikelets in head-like panicles. Stamens 3 189 



189. Glumes 4 — 7-rerved, long-awned. Spikelets 3 — 7-flowered. Panicles 



enveloped by the sheath of the uppermost leaf. Leaves awl-shaped. — 



Species i. South Afiica Urochlaena Nees 



Glumes i — 3-nerved, not awaied, but sometimes mucronate. Leaves 

 flat 190 



190. Spikelets 2 — •3-flowered, in spikes arranged in heads enveloped by the 



sheath of the uppermost leaf . — -Species i. North-west Africa (Morocco). 



(Under Ammochloa Boiss.) Dictyochloa (Murb.) Camus 



Spikelets 7 — 15-flowered. Inflorescence not enveloped by a sheath. 

 Species 2. North Africa Ammochloa Boiss. 



191. (185.) Spikelets 2-flowered, the lower flower hermaphrodite, the upper 



female. Axis of the spikelet elongated between the flowers, but not 

 continued beyond them. Glumes unarmed, with faint nerves. Spike 

 lets in loose panicles. — Species i. Madagascar. . . Coelachne R. Br. 



