72 
TRIANDRIA DIGYNIA» 
dichotoma. 
82. ARISTIDA. Gen.pl. 125. 
].A. cespitosa, culmis dich'otomis, floribus subspicatis, 
subuniaristatis : arista contorta gluma breviore : late- 
ralibus brevissimis. Mich.ji. amer. 1. p. 41. 
On dry gravelly soil : New England to Carolina, com- 
mon. <^.May — July. v.v. Resembles Nardus stricta. 
stricta . 
2. A. culmis foliisque stricte erectis, racemo longo spicato 
coarctato : aristis gluma longioribus, foliis convoluto- 
filiformibus, glabris. Mich.ji. amer. l. p. 41. 
In shady rocky situations, on river sides : Virginia, Ca- 
rolina, &c. 2/. June, July, v v. 
oligantha. 
3. A. culmo stricto subramoso, foliis convoluto-filiformi- 
bus, floribus distantibus solitariis, aristis longis diva- 
ricatis. Mich.ji. amer. 1. p. 41. 
A. adscensionis Walt.jl. car. 74. 
On the banks of rivers, in rocky places : Illinois, Vir- 
ginia, &c. %. June, July. v.v. 
juncea. 
83. STIPA. Gen.pl. 
1. S. foliis convoluto-filiformibus, panicula laxa, calycibus 
subaristatis semine longioribus, aristis longis vix pu- 
bescentibus. 
S. juncea. IVilld. sp. pl. 1. p. 440. 
Icon. Desf. atl, 1 . t. 28. 
On the banks of the Missouri. M. Lewis. % . Aug. 
v. s. in Herb. Lewis. By a careful comparison of this 
plant and one from the north-west coast of America, 
collected by Mr. Menzies, in possession of A. B. Lam- 
bert, Esq. and a specimen from the south of Europe 
in the same collection, I could find no other distinc- 
tion from S .juncea than the seeds being more pubes- 
cent, and the arista not so much as figured in Desfon- 
taines’ Flora. 
canadensis . 
2. S. foliis setaceis, panicula parva, calycibus glabris ob- 
tuse-ovatis semine pubente aequantibus, aristis crassis 
brevibus. Lam. encycl. 7 . p. 452. 
A. juncea. Mich.ji. amer. 1 . p. 54. 
In rocky places : Canada, Hudson’s Bay, &c. +• 
avenacea. 
3. S. foliis striatis glabris, panicula patente subunilaterali : 
ramis verticillatis ramulosis; calycibus acutis membra- 
naceis semine glabro aequantibus, aristis nudis, tor* 
tuosis .— Wilid. sp.pl. 1. p. 442. 
