Gramineae. 
418 
3. 
1. 
1 . 
1 . 
1 . 
Stem more or less prostrate at the base, 4—9 dm. Ls 
linear. Panicle more or less distinctly unilateral. Type 
of G. fluitans ........ 3 
Panicle distinctly unilateral; branches spreading hori¬ 
zontally during the flowering period, the lower ones 
gen. 2 together. Spikelets (with silvery white edges 
to the glumes) 20—30 mm; glumellas oblong-lanceolate, 
subacute, distant. Anthers pale violet.—Ditches; distrib.5 
fluitans R. Br. 2483. 
Panicle spreading in almost every direction, broader 
than in the last, the joints closer together; branches 
spreading, the lower ones-3—5 together. Spike- 
lets more numerous and shorter (about 15 mm). Glu¬ 
mellas oval-oblong, rather obtuse, crowded. Anthers 
yellow.—As the last . . . plicata Fr. 2484. 
649. Catabrosa. Catabrose. Ill, 69. 
Panicle spreading uniformly. Spikelets small (3 mm), 
tinted with violet. Glyceria airoides Rchb.—Marsh-ditches; 
inundated places; here and there. 6 aquatica Beauv. 2485. 
650. Molinia. Molinia. Ill, 63, 66. 
Stem with only 1—2 nodes (close together) quite at the 
base, with neither nodes nor ls above. Spikelets 
not awned, gen. dark violet, rarely yellow, in a large 
wood form (v. arundinacea Schrank.) mostly greenish. 
—Marshy meadows, damp woods; distrib. 6 , 
coerulea Monch. 2486. 
Stem leafy up to the panicle. Spikelets shortly awned. 
Diplachne serotina Link.—Slopes; T. \V. V. 8 
serotina M. K. 2487. 
651. Dactylis. Cock’s-foot. Ill, 54. 
Panicle lobed, unilateral, with clustered spikelets; the 
branches bare for some distance at the base, less often 
(v. hispanica Roth.) the panicle is entirely contracted, 
spiciform.—Meadows, road-sides; everywhere. 6 
glomerata L. 2488. 
652. Cynosurus. Dog’s-tail. Ill, 34. 
Spiciform panicle linear. Spikelets awnless.—Meadows, 
pasturages; distrib. 6 . . cristatus L. 2489. 
Spiciform panicle oval. Spikelets long-awned.—Fields; 
T. W., also sometimes here and there adventitious. 5 
echinatus L. 2490. 
653. Scleropoa. Scleropoa. Ill, 68. 
1. Panicle dense, stiff, the spikelets supported by short, 
thick, 3-cornered pedicels. Festuca rigida Kunth.—Sandy 
places, road-sides; T. \V. Y. 5 . rigida Griseb. 2491. 
