GRASS FAMILY. 99 
2. Erianthus saccharoides Michx. Plume Grass. (Fig. 212.) 
Erianthus saccharoides Michx. F1. Bor. Am. I: / 9 
55. 1803. 
Culms robust, erect, 5°—-10° tall, barbed at 
the nodes, the summit and the axis of the pan- 
icle densely pubescent with appressed long 
rigid silky hairs. Sheaths glabrous or spar- 
ingly hairy below, densely pubescent at the 
throat with long more or less spreading 
silky hairs; leaves scabrous or appressed- 
pubescent, 6/-2° long, {’-1’ wide, long- 
acuminate, somewhat narrowed towards the 
base; panicle lax, broadly oblong, 5/’-15’ 
long, 2’-4’ wide, its branches spreading, 2/— 
4 long, slender, internodes about 2’ long; 
outer scales of the spikelet about 2’ long, 
a little exceeding the pedicel and about one- 
half as long as the basal hairs, lanceolate, 
acuminate; inner scales shorter, the awn 
10//-12’’ long, straight, scabrous. 
In moist sandy soil, southeastern Virginia to 
Floridaand Louisiana. Alsoin Cuba. Aug.—Sept. 
3. Erianthus compactus Nash. Con- 
tracted Plume-grass. (Fig. 213.) 
Erianthus compactus Nash, Bull. Torr. Club, 22: 
419. 1895. 
Culms erect, 4°-8° tall, stout, the nodes 
barbed, the summit and axis of the panicle 
densely pubescent with appressed long rigid 
silky hairs. Sheaths glabrous, or pubescent at 
the top; leaves scabrous above, sparingly ap- 
pressed-pubescent beneath, 6’—2° long, 3//-6’’ 
wide, long-acuminate, narrowed toward the 
base; panicle narrowly oblong, 4’—6/ long, about 
114’ wide; branches erect, 1/—2’ long; spikelets 
crowded; internodes about 1’’ long; outer scales 
of the spikelet about 214” long, exceeding the 
pedicels and about equalling the basal hairs, 
lanceolate, acuminate; inner scales shorter, the 
awn 5//-10” long, straight, scabrous. 
In moist soil, New Jersey to North Carolina and 
Tennessee. Aug.—Sept. 
4. Erianthus brevibarbis Michx. Short- y = My ff 
LTTIOKKLK. 
bearded Plume-grass. (Fig. 214.) 
Erianthus brevibarbis Michx. F1. Bor. Am. 1: 55. 1803. 
Erianthus saccharoides Michx. sub-sp. brevibarbis 
Hack. in DC. Monog. Phan. 6: 131. 1889. 
Culms stout, erect, 4°-5° tall, nodes naked or : 
scantily barbed, the summit and axis of the panicle / Ly) 
smooth or scabrous. Sheaths glabrous; leaves Wi, | 
rough, 12/-18/ long, 3/’-5’’ wide, acuminate ; pan- (Yi 
icle linear-oblong, 8’—10’ in length, 1/-114’ wide, Vy Wi ‘ 
branches erect, 2’-5’ long, internodes about 214’’ Wij, 
long; outer scales of the spikelet about 4’ long, ‘i Wi Ze Lg 
twice the length of the pedicel and equalling or Wy WZ \ 
twice as Iong as the basal hairs, lanceolate, long- YE W Wy | 
acuminate; inner scales shorter; awn9’/—12’ long, Yok Z NW 
straight, scabrous. VX eg \ 
In moist soil, Virginia (according to Watson) to YZ 2 NX Wy 
North Carolina and Louisiana. Autumn. YY 3 = 
