42 
3. L. Virginica Willd. (WHITE GRAss). (Gray’s Manual, 6th ed., p. 635.) Culms 
slender, decumbent, branching below; panicle simple, narrow, 3 to 6 inches long, 
branches alternate, slender, the lower branches sparingly divided, naked below: 
spikelets appressed, oblong, 14 lines long, short-pointed, smooth or sparingly ciliate 
on margins; stamens 2.—Wet or moist woods, common. 
4. L. monandra, Swartz. (Chapm. FI. 8. States, Suppl., p. 661). Culms slen- 
der, 13 to 2feet high; leaves small, sheaths rough; panicle small, simple, becoming 
spreading, branches capillary, alternate, distant, flowering near the extremity ; 
spikelets pale, semiovate, obtusish, less than a line long, smooth; stamen 1.—In 
moist woods, Texas (G. C. Nealley). 
PHALARIS Linn. 
Spikelets crowded in a clustered or spike-like panicle, 1-flowered; 
glumes 5, the outer large, the inner pair smaller and imperfect or scale- 
like, one on each side the terminal or perfect flower, the fifth being the 
flowering glume of the perfect flower. The glume-like palet one nerve. 
Outer glumes 3-nerved, compressed, kecled, boat-shaped ; second pair 
linear ; perfect flower shorter than spikelet, the glume becoming coriace- 
ous or cartilaginous. Grain smooth and shining. 
* Glumes not winged on the back or slightly winged. 
1, P. arundinacea Linn, (REED Canary Grass). (Gray’s Manual, 6th ed., p. 639.) 
Culms stout, 2 to 4 feet high; leaves flat, about one-half inch wide; panicle 3 to5 inches 
long, narrow, the short brancbes spreading during anthesis, becoming appressed ; 
spikelets 2 lines long; outer glumes acute; the imperfect pair one-half as long as the 
perfect flower.—Widespread in northern or mountainous districts. 
2. P.Lemmoni Vasey. Culms rather slender, 1} to 3 feet high ; leaves narrow, acu- 
minate, ligule conspicuous, 3 lines long; panicle spike-like, 2 to 3 inches long, nearly 
cylindrical, dense; outer glumes 2 to 24 lines long, acute to acuminate 5 second pair 
very short (about 4 line) somewhat unequal, with short pedicels ; flowering glume 
lanceolate, acuminate, little shorter than the outer ones, pubescent; palet nearly 
as thick as its glume and a little shorter.—Santa Cruz, California (J. G@. Lemmon, 
Dr. Anderson), 
3. P. amethystina Trin. (Bot. Cal. 1. p, 265.) Culm stout, tufted, 2 to 8 feet 
high, from a perennial root; leaves broad, the sheaths often purplish ; panicle spike- 
like, oblong, 1 to 2 inches long, dense, usually purplish; spikelets 3 to 34 lines 
long; outer glumes narrowly winged, straight, acutish ; inner pair of glumes hairy, 
more than half as long as the perfect flower, which is 2 lines long or more.—Cali- 
fornia to Oregon. 
* " Glumes decidedly winged on the back. 
4. P. intermedia Bosc. (Bot. Cal. 11. p. 264.) (P. Americana Ell.) Culms va- 
riable, stout or slender, 14 to 4 feet high, smooth; leaves short, often glaucous; sheaths 
more or less inflated ; spike-like panicle 1 to 4 inches long, ovoid to cylindrical; spike- 
lets 24 lines long; outer glumes strongly winged on the keel, acute; second pair of 
glumes linear, hairy, about half the length of tae perfect one, the latter long-pointed, 
hairy, and one-third shorter than the outer glumes.—Texas to California. 
Var. MICROSTACHYA (P. microstachya DC.) Culms slender, 6 to 18 inches high; 
leaves short, the uppermost inflated ; spike-like panicle 4 tol inch long, oval; outer 
glumes lanceolate, slender-pointed, broadly-keeled, twice as long as the hairy, ovate 
flower.—Florida to Texas. 
5. P. angusta Nees. (Fl. Brasil. um. p. 391.) (P. intermedia, var. angusta Chapm.) 
Culms stout, 2 to 3 feet high; panicle cylindrical, dense, 3 to 6 inches long, nar- 
