402 WEEDS AND USEFUL PLANTS. 
closing the free and grooveless grain. Stamens 3. Stigmas plumose, 
usually purple. The species here = are all annual. 
* Spikelets crowded 2-3 together 7 sided digitate-fascicled spik 
neutral floret of a single mila? see glume minute or wanting. 
1. P. sanguina’le, L. Spikes 4—15; upper glume half the length of the 
fiow wer ; the owes one small. 
Bioopy (or Purpte) Panicom. Crab Grass. Finger Grass.. 
Culm decumbent, 1-2 feet long, somewhat branching from the sheaths, geniculate. 
ce radicating at the lower nodes. Leaves 1 or 2-6 or 8 pees ng soltly, pilose 5 
igosely hairy, sometimes smooth ; ligule short, truncate, or oie 
white or atten tinged wit purple. 2 or 3—6 inches in length, o! ina teitebe op 
BSA agi ‘ ee e distant rics each other, becoming purple ; rachis fiat f eet scabrous 
on the airs, a appressed, in 2 rows on the outer or under side of the 
pola oe oa pedicels, =the lower ones subsessile, 
Gardens and cultivated grounds ; dvouphioes the United States. FI. July-September. 
Fr. August — October. 
eon ey the a —. this is a troublesome Grass in Gardens, in 
mmer ; and is frequent, also, in Indian Co ds,— 
but per teat is kept in saat subjection, by the early and 
= use of the “ Saecuee: ” Cattle will eat it,—but do not appear to 
s nite ea 8 fond of it : and indeed it is generally choked out of good 
astures, by the prevalence of more acceptable grasses. It is said to be 
a serious pest, in the cultivated grounds of the Southern planters. Mr. 
me ae than eae there can bé rove better authority—has the follow- 
:—‘ Grows everywhere on lands not inundated. 
his plant 
Well known rss planters under — name of Crab or Crop grass. It is’ 
the most troublesome grass our planters have to encounter in high 
ground culture, and though an pyle it is the best grass for hay at 
present own in our low country.” 
2. P. gla’brum, Gaudin. Spikes 2-6, ae diverging ; upper glume 
equalling the floret ; the lower almost wantin 
Smoora Panicum. Smooth Crab Grass. 
Cuim 6-12 inches long, often closely prostrate. Leaves 1- 3 inches in length ; sheaths 
smooth, a little pilose at the throat. Spies 1-3 inches long, seldom more more than 3 in 
number ; oR pevsid sa ee romgetante 
waste places. Native of Europe. August— pace 
nme Seri in cultivated fields and lots, but n so troublesome 
espe RE very slender, snot species lrg erect spikes (P. 
Fi L.) belongs to this section ; it is often abundant i in sandy pas- 
tures, but it is not very important in any respect. 
** Spikelets scattered in large capillary a awnless : neutral floret o 
: a 
: 3. P, re, L. Sheaths very hirsute ; panicle large, oe 
s ‘as ay Sopa spikelets lanceolate, ane, ee 
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