POACEAE 107 
61. CALAMOVILFA Scribn. Rigid usually tall perennials with narrow 
or open panicles, some species with creeping root-stocks. Spikelets 1-flowered, 
the rachilla not prolonged behind the palea; glumes unequal, acute, charta- 
ceous, awnless; lemma a little longer than the second glume, chartaceous, awn- 
less, smooth or pubescent, the callus bearded; palea about as long as the 
emma.—Four species, natives of the United States and Canada.—Sanp 
GRASSES. REED-GRASSES 
Panicle long and narrow, the branches appressed. l C. Curtissii. 
Panicle open, the branches spreading. . 0. PEEGEL 
1. C. Curtissii (vasen pu lm 80-120 em. tall: leaf-blades 2-3 m 
wide: panicle 15-30 e ong, ue ee loose, the branches ee: 
ae or appressed. [Cala coms Cur 
Vasey]—Sandy pinelands, E pen. Fla 
2. C. m (Torr.) Seribn. Stem 60— 
120 em. tall, tufted: ur purplish, 10- 
20 cm. long, pyramidal rather open, the 
branches glabrous, naked below. — Acid 
sandy swamps, Coastal Plain, N. C. to 
N. J. 
| x: | 
n NOTHOLCUS Nash. Perennials with flat blades and contracted 
panicles. Spikelets 2-flowered, the pedicel articulate below the glumes, the 
is eurved and somewhat elongate be- | 
ro 
t 1, 
"uc than the 2 florets; “first nee per- 
fect, the lemma awnless; second floret 
ked awn.—Eight species, natives 
of Europe and Africa. | 
1. N.lanatus (L.) Nash. Stem 30-60 em 
tall: leaf- ao and blades pale, velvety- 
pube scent, the latter 5-10 mm. l 
cle pale-purplish, 5-10 em. un spikelets 
4 mm. long: glumes hairy. pes s lanat 
L.]— ( VELVET-GRASS )—Mois i don. "fields, woods, and waste-places, va- 
a provinces, S. C. to La., Ill, and N. S$.; also on the Pacific Coast. Nat. 
0 
63. A L. Low or rather tall perennials with shining pale or purplish 
spikelets in open panicles: spikelets 2-flowered, articulate above the glumes, 
the hairy rachilla prolonged behind the upper floret as a stripe, this sometimes 
bearing a reduced floret; glumes about equal, acute or acutish, membranaceous; 
lemmas thin, truncate and 2-4-toothed at the summit, bearing a slender awn 
from or below the middle, the awn straight, bent, or twisted, sometimes absent 
from the lower floret. NA Beauv. ]—Thirty- a species, in cool and 
temperate regions gene dc —HAIR-GRASSES. 
