86 
palustris . 
striata . 
mollis. 
spicata . 
Phragmites. 
airoides. 
agrostoides . 
canadensis. 
tsiandjua digynia. Avena. 
2. A. panicula conferta, calycibus bifloris. floribus glabris j 
altero mutico, altero tenuissime aristato, foliis planis 
linearibus. Mich.Jl. amer. 1 . p ?2. 
A. caroliniana. Walt.Jl car. 81. 
In low grassy fields and woods : Virginia to Florida. If . 
May - July, v . v. 
3. A. panicula coarctata rariflora. calycibus quinquefloris, 
floribus calyce longioribus subimberbibus, valva ex- 
teriore striata, dorso longe aristata : semine nudo. 
Mich.Jl. amer. 1 . p. 73. 
On the mountains near Hudson’s Bay.. Michaux . -f • 
4. A. racemo confertiuscule adpresso- spicato, calycibus bi- 
floris, floribus imberbibus aristatis : aristis longitudine 
florum strictis, foliis culmoque molliter pubescentibus. 
— Mich.Jl . amer. 1. p. 72. 
In Canada. Michaux. -f . 
5. A. panicula subspicata pauciflora, calycibus spiculis sex- 
floris pubescentibus longioribus, valva exteriore ex 
apice bicorni aristata : arista basi spirali, foliis subse- 
taceis collo villosis .— Willd. sp. pl. 1. p. 453. 
A. glumosa. Mich.Jl. amer . 1. p. 72. 
On dry hills, on the banks of rivers : New England to 
Carolina. If.. June — Aug. v.v. 
101. ARUNDO. Gen.pl. 124. Reed. 
1. A. calycibus quinquefloris, panicula laxa. Willd. sp. pl. 
1. p.454. 
Icon. Engl. hot. 401. Leers, kerb. t. ‘J.f. 1. 
On the banks of rivers and in large salt-marshes : Ca- 
nada to Virginia, common. If . July. v. v. 
2. A. panicula subcoarctata incurva, calycibus bifloris gla- 
bris inaequalibus, corollis membranaceis longitudine 
calycis, pilis corollam aequantibus, foliis planis scabris. 
— Lam . encycl. Q.p. 2/0. 
In North America. Michaux. 1/.+. 
3. A. panicula laxa diffusa, calycibus unifloris acuminatis 
glabris, corollis calyce brevioribus membranaceis, valva 
exteriore apice incisa, dorso brevissima aristata, inte- 
riore minima, pilis corollam aequantibus, foliis planis 
scabriusculis, culmis vaginisque glabris. 
In bogs of New Jersey and Pensylvania. If . July. v. v . 
4. A. panicula oblonga, calycibus unifloris lanceolatis ca- 
rina scabris pubescentibus, corollis dorso aristatis : 
