288 -TRIANDRIA DIGYNIA, Panicum. 
me with the only specimens of this rare grass which I have 
yet met with, and had he not informed that this was consi- 
dered to be P. dimidiatum I should have been inclined to 
have taken it for an Ischaemum. 
SECT. II. Spikes paired. 
10. P. conjugatum, R. 
Spikes conjugate, secund, lowers solitary, sessile, awn- 
less, Corol, with an accessary neuter valve. ‘Gee 
~ A slender, soft, walls half creeping’ species; a native of 
Coromandel. It differs from P. distachyon in the number of 
the spikes being constantly two, and the flowers always soli- 
tary and sessile. To these marks of distinction may be added 
that the valves of the calyx are three-nerved, and the acces- 
sary one particularly large. 
11. P. squarrosum. Linn, sp. pl. ed. Willd. i. ‘845. Retz. 
Obs. iv. 15. and vy, ¢. 1. 
Culms creeping, from ten to twenty inches long. Spikes 
| _ paired, horizontal, rachis articulate ; flowers in a fascicle on 
_the upper end of each joint of the BGS 
_ Cenchrus muricatus, Mant, 302. 
_ P. dimidiatum, Burm, Ind. 25. t. 8. f. 2. 
. A native of dry sandy ground pear the sea. 3 
Culms branchy, creeping, with their flower-bearing extre- 
mmities sub-erect; from ten to twenty inches long. Leaves ses 
short, but rather broad, and covered with soft hair ; ‘sheath : 
large, downy, involying most of the culms. Spikes two, ter- 
minal, spreading, horizontal, or ascending like a pair of 
horns, secund, Rachis composed of from four toeight, oblong — 
joints, divided by a waved ridge; on each side of the ridge” 
membranaceous. Flowers collected in sessile bundles of from | 
four to eight, alternately disposed on the upper end of each — 
_ joint. Calyx, the exterior one minute, and lanceolate ; the 
second large, embracing loosely the corol, pointed, and tri- 
ated 5 the inner one nearly a8 stall asthe exterior, tapering 
