POACEAE |. 85 
3. C. hispida Scribn. & Mer Stem as much E m. e ee dae at base: 
ie sheaths sparsely o -pilose: blades 4 e: panicle m 
ong, the axis villous: spikelets about 2 mm. d. "Shell mounds, Mare 
Island, S Fla.—(Cuba.) 
4. C. corrugata (Ell) Seribn. Stem as much as 1 m. tall, usually ae 
and decumbent at base: leaf-blades 3-6 mm. wide: pan icles 5- a long, 
5-10 mm. in diameter, e ipu of a brist tles, the mdi is villou | pese 
about 2 mm. long, the bristles 5-15 mm. long: fertile lemma mm ee -rugose. 
ss 4 corrugata Se Schult.]—Fields and sandy soil, Coastal Plain, Fla. to La. 
(W. I.) 
magna (Griseb.) Scribn. y Stout, iin as much = 4 m. tall: leaf- 
sheaths keeled, pei or scabrous: blades as much as 3 cm. wide, scabrous: 
p. nicles as much as 40 em. long, poo bas ow, ae ndr panieles 
scarey sometimes. not ue long: E elets about 2 mm. long, t 
bristle 8-11 long, ae tawn [S. magna Griseb. } Marshes, 
iind and dies Coastal Plain, Fla. to ee and N. J.—(W. C. A.) 
: C. € (L.) Seribn. Stem as much as 1-2 m. tall: leaf-blades A md 
s 3 em. wide: panicle as much as 20 cm. long. Cult. for forage. eaped 
in fi elds and waste places, such specimens nel much dne z the panicles 
l often purple. [S. italica Beauv.]—(CoMMON-MILLET. HUNGARIAN-GRASS.)— 
Cult. grounds, roadsides, waste-places, and Jom various ieri Fla. to 
Tex., Calif, Minn., and Que Nat. of Eura 
7. C. viridis E Seribn. Stem usually less than 0.6 m. tall: leaf- blades not 
twisted (as in C. lutescens): panicle green, tapering at summit, ch a 
10 em. long: s ikelets 2 mm. long, the bristles 7-12 mm. long: second Sons 
i sterile lemma equal, covering the s triate faintly wrinkled fertile lemma. 
I5. viridis Beauv. ien eee Fi elds and waste-places throughout 
. S. and S Can f Eu.—(W. I., Mex., C. A.)— uid ambigua, 
is d on ballast at "Mobile ; Ala., diste: S from C. viridis in the scabrous, not 
villous axis of the panicle; “the spikelets P DIG those of C. verticillata. 
8. C. geniculata (Lam.) Millsp. & =- Stem compressed, as much as 1 m. 
tall, usually tufted and decumbent at base, from short knotty rootstocks: 
leaf- sheaths glabrous: blades r at apex, often with long hairs on 
upper surface near age panicle cylindric, dense, not tapering. at either end, 
2-10 cm. long, Un 8 mm. in diameter, exclusive of bristles, the rachis pubescent: 
spikelet s 2—3 m m the bristles horizontally spreading, as much as 10 mm 
long or sometimes scarcely longer than the spikelets, yellow or purplish: first 
glume one-third as long as the spikelet: second glume half to two-thirds as 
long as the spikelet: fertile lemma finely transversely rugose. [C. imberbis 
Seribn. C. versicolor Bickn. C. occidentalis Nash C. purpurascens Seribn. & 
Merr. S. imberbis Roem. & Schult. S. na tale: Chapm. S. perennis Hall]— 
Pinelands, ee hillsides, swamps, a oadsides, various provinees, Fla. 
to S Calif, and Con —(W. I., Mevs., C. 1. 8. 4.) 
. Macrosperma Seribn. & Merr. Stem stout, 0.6-1.2 m. tall: ee peed 
glabrous compressed, the margins ciliate: blades 10-30 cm. long, 
panicles as much as 30 em. long and 5 em. wide, tapering sd "the 
e: 
Hess bristles 1.5-3 em. long: fertile ae “finely transversely undulate- 
wrinkled.—Hammocks, shell-mounds, and swamps, Fla.—(W. I.) 
id barbata E H. & C., a weak-stemmed annual, with plaited m = 
. wide, tapering az each a and narrow panicles of numerous 13 ale r 
m been eollected at Miami, Fla. Introd. from trop. Asia.—(W. 
C. rariflora (Mikan) H. & C., a perennial with flat blades mostly more than 5 
mm. wide, pale narrow rather loosely preaches panicles, tapering to a slender 
