2/Q'~ 
tenue. 
Hydropipe - 
roides. 
mite . 
hirsutum . 
virginianum. 
octandria TRiGYNi a. Peilygonunl. 
ris, caulibus stricte-ramosissimis striatis. — Mich . J?. 
amer. 1. p. 23 7- 
P. erectum. Willd. sp. pi. 2. p. 450 ? 
In cultivated grounds : Pensylvania and Kentucky. ©, 
June — Aug. v.v. Flowers on short pedicels, green- 
ish-white. 
4. P. pumilum ; foliis longe-linearibus strictis acuminatis, 
ochreis tubulosis apice villosis, caule gracili erecto ra- 
moso acutangulo, floribus alternis subsolitariis. — 
Mick. Jl. amer. i. p. 238, 
P. barbatum. Wall. fi. car. 131 ? 
In sandy fields and pine-woods : Canada, New Jersey, 
and Carolina ? ©. July, Aug. v.v. Not above six 
inches high, very slender ; flowers small, white. 
** Spica gracili. 
5. P. floribus 3-andris semi-3-gynis, foliis lanceolatis gla- 
bris, ochreis laxis glabris apice ciliatis maculatis, spi- 
cis filiformibus debilibus subcernuis, bracteis remo- 
tiuscule alternis. — Mich. Jl. amer. 1. p. 238. sub 
P. Hydropiperide. 
In inundated and exsiccated places ; common : Canada 
to Carolina. © . Aug. Sept. v. v. Flowers white ; 
taste and appearance of P. Hydropiper , but different 
in the flowers. 
6. P. floribus 8-andris semi-3 -gynis, foliis anguste lanceo- 
latis subhirsutis, ochreis hirsutis proruisse ciliatis, spi- 
cis linearibus, bracteis ciliatis subimbricatis. — Pets, 
syn. 1. p. 446. 
P. hydropiperoides. Mich.fi. amer, l.p. 239 . 
In inundated places, along ditches and ponds : Pensyl- 
vania to Carolina. © . June — Sept. v. v. Flowers 
pale purple ; leaves not acrid. 
7- P. floribus 8-andris semi-3-gynis approximatis, foliis ses- 
silibus lanceolatis, pedunculo elongato distachyo, spi- 
cis linearibus, caule adscendente hirsuto. — Walt . fi. 
car. 132. Mich.fi. amer. 1. p.23g. 
In low wet places and in ditches : Lower Caroiina and 
Virginia. © . July — Sept. v. v. 
8. P. floribus 5-andris 2-gynis inaequalibus, foliis lato-ova- 
libus, spicis longissime virgatis, floribus remotis. — 
Willd. sp. pl. 2. p. 442. 
In shady woods : Canada to Florida. 7/ . June, July. 
v. v . 
