118 LIST OF SEEDS, BULBS, TUBERS, ETC. 
Order GRAMINEE (Grass Family). 
Tribe ORYZE&. 
Zizania:—Flowers moncecious; the staminate and 
pistillate both in one-flowered spikelets in the same 
panicle. Glumes two, subtended by a small cartilagi- 
nous ring, with a straight awl in the fertile spikelets; 
palet none; stamens six; stigmas pencil-form—large, 
often reed-like water grasses; spikelets jointed upon 
the club-shaped pedicels, very deciduous (adopted from 
Caiwwov, the ancient name of some wild grain). 
Z. aquatica, .—Indian Rice, Wild Rice:—Annual, 
culms 3—9° high; leaves flat, 2—3° long, lineal- 
lanceolate; lower branches of the ample pyramidal 
panicle staminate spreading, the upper erect, pistillate; 
lower glume long-awned, rough; styles distinct; grain 
linear, slender, 6” long. Swampy borders of streams 
and in shallow water; common, especially northwest- 
ward. August. 
AGROSTIDEZ. 
CALAMAGROSTIS. 
C. Canadensis—Blue-joint Grass :—Culm tall (3—5° 
high); leaves flat when fresh, glaucous; panicle oblong; 
glumes ovate-lanceolate, acute, 14—1}” long; awn,- 
from near the middle of the upper glume, not exceeding 
and scarcely stouter than the basal hairs. 
Deyeuxia Canadensis (Hook f.):—Wet grounds; 
common northward. July. 
C. Confinis, Nutt :—Tall; panicle elongated (4—6’), 
its rather slender branches spreading at flower time, 
afterward appressed; glumes lance-oblong, very acute, 
2” long, pale; hairs of the flower copious, equal, 
slightly or one-third shorter than the thin flow- 
ering glume and than those of the rudiment; 
