82 
TRIANDRIA DIGYNIA. Poa. 
ginia, and on the banks of the Mississippi. 0 . July. 
v v. This is the most delicate grass in North Ame- 
rica. 
Eragrostis . 
94. BRIZA. Gen.pl. 115. 
2 . B. spiculis ovali- lanceolatis vigintifloris, floribus subacu- 
tis, collo vaginarum piloso, culmo geniculato decum- 
bente. Mich. Jl. amer . 1 . p . 72 . JVilld. sp. pl. 1 . 
p. 405. 
B. caroliniana. Walt.Jl. car. 79 . 
Icon. Schreb. gram. 2 . t. 39 . 
In wet fields and swamps : Virginia to Carolina. ©June. 
v. v. 
canadensis. 
2. B. panicula laxa, spiculis erectis 4 — 10- floris, gluma 
communi parvula, florum valva exteriore acuta ovata, 
foliis longis, cu^mo erecto. Mich. Jl, amer. l.p. 71 . 
In Canada. Michaux. +. 
virens. 
3. B. spiculis ovatis, calyce flosculis (7) sequali, pedun- 
lis longis. JValt.fi. car. 79 . 
In Carolina. Walter, -f. 
latifolia . 
95 . UNIOLA. Gen.pl. llQ. 
1 . U. panicula laxa, spiculis omnibus longe pedicellatis, 
calyce trivalvi, floribus monandris subfalcatis carina 
pilosis, foliis latis planis. Mick.fi . amer. 1 . p. 70 . 
On the Allegany mountains, in shady woods, among 
rocks. 1/. June. v.v. A very handsome grass. 
panicutaia. 
2 . U. panicula longa, spiculis subsessilibus, calyce multi- 
valvi, floribus triandris carina glabris, foliis convo- 
lutis, culmo altissimo. — Willd. sp pl. 1. p. 406. 
U. maritima. Mich- fi. amer. 1 . p. Jl. 
Icon. Catesb. car. 1 . i. 32. Pluli. aim. t. 32. f. 6 . 
On sandy sea-shores : Virginia to Florida. 1/ . June, 
July. v. v. 
gracilis. 
3. U. panicula longissima subspicata, ramis brevibus ad- 
pressis, spiculis subsessilibus, floribus monandris di- 
varicatis acuminatis glabris, calyce trivalvi, foliis pla- 
niusculis, vaginis culmoque glabris compressis.—- -Mich. 
fi. amer. l.p. 7 1 . 
U. virgata. Bar tram, in Herb. Banks. 
Holcus laxus. JVilld. sp. pl. 4. p. 934. 
In shady rocky situations : Virginia to Georgia. 1/ . July. 
