406 WEEDS AND USEFUL PLANTS. 
ovoid-oblong, yellowish-: oe bristles 4— 8 in a cluster, about as long 
as the spikelets ; pales of th e perfect floret smooth, striately punctate. 
Trattan Serarta. Millet. Bengal Grass. 
Root ann m 2-4 or 5 feet high. Leaves 6~12 and 18 inches long, lance-linear, 
rather brea, fay serrulate on the margin ; sheaths striate, pubescent on the margin ; 
ligule bear’ und (0: r rather a dense ly contracted tgif 3~6 ee 
ane areas vial or oe Rte indric ; rachis densely hirsute with jong 
mes longer than the agp yellows h. Sterile floret wholly abortive, or neutral, eer 
sot palea very minute. palew of the perfect floret smooth, siineelader 39 -punctate. 
Fields ; cultivated as a fallow pos eo Native of Europe and India. FI. ate Fr. Aug. 
Obs. Some years ago, the culture of this plant was introduced i 
Pennsylvania, and excited co separ tks oo for a time, among the 
affordin hi 
rs,— ag - neg fodde n the oy hay-crop was 
likely to be deficient n fou fs Hower: wb o be as valuable 
as the usu ok —~ eo “(oft Oats or Barley), © of Which, it occupied the 
place oreover, remarkably liable to damage from rat he 
cultivation, thafore, soon declined —and is rite we enerally abandoned. 
is another species (S. verti cillata, B with the spike com- 
posed of Cae verticils oe sand the ir ee of retrorsely 
i bristles, in pairs.) which is becoming something of a nuisance, 
bout gardens, in many places; but its seems scarcely, as yet, entitled to 
“ more _ ssiecpua notice here. 
30. CEN’CHRUS, L. Bur Grass 
(Greek, Kenchros ; the ancient name of Millet.] 
ets as in Panicum, awnless, but enclosed (1-5 together) in a glob- 
> prietly or page sit involucre, which ome coriaceous, ; 
deciduous bur in fruit. Involucres sessile in a terminal spike. Styles 
united below. 
ec ee aa des, ae Py dag subglobose, pubescent, spinosely 
split on 0: 
Saati Bur Grass. Hedge-hog Grass. 
Root annual. Culm 1-2 feet long, usually oblique or procumbent. nch- 
deine smooth. Leaves 36 or 8 inches es long, Beardie.” acuminate, slightly. sce coabrote ed 
the margin ; sheaths : 
alternate inyolucrate heads or clusters ; rachis angular, flexuose, slightly scab 
volucre urceolate or subglobose, laciniate yostally 3 split to the bas se on one side, m hairy; : 
armed externally with gt subulate scab ‘ous spines, as wi , embracing 1, 2, or 
Fr. Sept. 
3 spikelets. Sterile floret mostly staminate. Sandy fields. FI. Aug. ” 
'y districts along the coast and - 
atound the great pratt: id has at Od avis ee of the slaty 
hills of Pennsylvania. lac Ss nist aren grass; and the 
, of —~ or 14 
In- 
