ee 
TRIANDRIA. MONOGYNIA. © 7S 
_ invested by the corolla.” Scuraper. (Glumes 
of the calix membranaceous, resembling folli- 
cles.) ! 
Flowers in'spreading or contracted panicles, valves of 
the corolla often becoming coriaceous. - 
Species. 1. 4. pensy’vanica 2. palustris, (nearly allied 
to the genus ira.) 3. striata. 4. mellis. 
Of this gents there are many species in Europe, in Bar- 
bary, and at the Cape of Good Hope. A single species © 
has been found at the extremity of South America. 
106. ARUNDO. L. (Reed.) 
Calix 2-valved, many-flowered. Corolla 
smooth, surrounded at the base by a long vil- 
lous wool. 
Subaquatic: cnlm tall, in some species perennial; pani- 
cle large, diffusely branching; calix 2 to 5-flowered; ge- 
nerally long, smooth, and membranaceous, with flowers 
of nearly the same form, alternately aggregated, often 
shortly and straightly awned, and always surrounded at _ 
- the base with a persistent, conspicuous villous involu- 
crum. The genus 4Arundo is nearly related to Suecharwn, 
but in the latter the calix, instead of the corolla, is sur- _ 
rounded by a villus. 
Species. 1. 4. Phragmites. 2. atroides. ; 
The genus Arundo, exists.in Europe, in Barbary, in In- — 
da, and North America. The 4. Donax, and A. mauri- — 
tanica of Algiers, are shrubs, and the latter is there ; 
use of to construct hedges for gardens. i ae 
tttt Flowers collected into spikes: common recep- | 
tacle mostly scrobiculate, Pes 
107. ELEUSINE. Gertner. Lamark. 
Spikes digitate —Flowers awnless, disposed 
on one side of the rachis (or receptacle.) Calia — 
carinate, many-flowered, dorsal valve larger, 
5 to 9-nerved. Corolla 2-valved, awnless. (Flow- 
ers ail hermaphrodite.) Soe 
Sow decumbent grasses, growing in the sands of the — 
sca-coast, or in arid wastes. Culm simple, many from the 
same root, terminated by digitate clusters 
+ tig: 
