Sporobolus. | CXLIV. GRAMINER. 621 
to, p. 618 of his * Familles," one is said by Bauhin to be a common weed of culti- 
vation in Germany, Belgian m and England, the other a very tall European aquatic 
or marsh grass with a large panicle. "Neither therefore can well be congeners of 
Riven’ s Sporobolus 
Panicle narrow, spikelike, continuous in interrupted, the 
b 
short erect branches flowering from the base. 
Outer and flowering glumes wey equal Leaves 
usually short rigid and sprea l. S. virginicus. 
Outer ee unequal, shorter thane the flowering one. 
Leaves rather long . S. indicus, 
Panicle narrow, es with short spreading ‘scattered 
branches 3. S. diander. 
Panicle loos ely "pyramidal, the branches spreading in 
nt whorls. 
Spikelets ky pedicellate, min 
rigidly ciliate. Glum . pulchellus. 
maa sey A a e AR 
Le E bog at all or minutely cialis Glumes narrow, 
M eu LEE 5. S. Lindleyi. 
Spikelets o PM sessile, crowded along ‘the branches 6. S. actinocladus. 
l. S. virginicus, Kunth, dp. . 210.—Stems much branched 
and leafy at the base i. 
igh. Leaves short and Ns often very spreading, convolute when 
dry, rather rigid, glabrous or ciliate at the base. Panicle rather dense, 
llinelong,the 2 outer and the flowering one similar or the lowest 
rather smaller. Palea rather longer, the 2 nerves close together so as 
to represent a broad keel, but very readily splitting showing an inflex 
margin between the nerves. Grain broadly obovoid, the very thin 
pericarp separable when soaked but undistinguishable in the dried 
state. — Agrostis virginica, ae Labill. Pl. Nov. Holl. i. 20, t. 23 ; R. 
Br. Prod. 170 ; Vilfa virginica, Beauv. ; Trin. Spec. Gram. t. 48. 
Queensland. Port Curtis, M‘Gillivra 
ue ME Near salt marshes, Woolls ; beach near Bulli, Joh 
Vict Port Phillip, R. “Brow n; along the coast from the Ober to Snowy 
River, Robertson, F. =. and o 
rt Lincoln, $ pi n; ron Spencer's and St. Vincent's Gulfs, 
F. dueller ando iners; Fowinr'a Bay, Richard. 
rom E George's "Hin d, R. Brown and others, 
Esperan Bay, iced ster, to Swan and Murchison Peck Drummond, n. 143, 373, 
Preiss, n. ~ 1841, Oldfield and iet Sharks’ Bay, Milne 
Var? pallida. Taller, ware above 1 ft. high; leaves narrower and often more 
erect; spike looser, 2 to 4 in. long, the idus qunm -— and pale coloured, 
Munro is inclined to think that this may be a distinct spec 
N. tralia, Gulf of Carpe Brown ; Sturt’s Creek, F. Mueller ; 
Port nar Sita: weed n. 615, 749, 49, 764, rag n. 212, with the foliage of the Med 
form but ut the sp e 2 to 4 in. in. long. ng, broad and dense 
Paes of Wales Island, A. Brown ; Brisbane River, Bailey ; 
Greek, O' Shanesy. 
P. . S. Wales. Richmond River, Mrs. Hodgkinson; Darling River, Dallachy, 
rs. Ford, 
