210 
tricarpon. 
usitatissi- 
mum . 
JLewisii . 
virginicum. 
rigidum. 
rotundifolia, 
FENTANDSUA PENTAGYNI A. ZailtllOXylum. 
muni inermi, umbellis axillaribus. — Willd . .sp. p/. 4 
p. 754. 
Z. Clava Herculis /3. Ziwrc. sp.pl. 1455. 
Z. ramiflorum. Mich.fi. amer. 2. p. 235. 
Icon. Duham. arb . 1. t. 97. 
In shady woods, near rivers : Canada to Virginia and 
Kentucky. Tj . April, May. v. v. A tincture of 
the bark and capsules is recommended in rheumatism 
and tooth-ach, from w hich its name Tootk-ach-tree. 
2. Z . aculeatum ; foliis pinnatis, foliolis petiolatis oblongo- 
ovalibus acuminatis serrulatis basi obliquis, petiolo 
communi aculeato, capsulis ternis sessilibus. — Midi, 
fi. amer. 2. p. 235. 
In woods of Carolina and Florida. Michaux. T? . July. 
v. v. in Hortis. 
272. LINUM. Gen. pi. 528. 
1. L. foliolis calycinis ovatis acutis trinervibus, petalis cre- 
natis, foliis lanceolatis alternis, caule subsolitario.— 
Willd. sp. pi. 1. p. 1533. 
Icon. Engl. lot. 13 57. 
Common flax is frequently found in old fields, appa- 
rently indigenous. ©.June, July. v.v. Flowers blue. 
2. L. foliolis calycinis ovatis acuminatis, petalis cuneatis 
apice rotundatis, foliis sparsis lanceolato-linearibus 
mucronatis, caulibus altis numerosis. 
In the valleys of the Rocky-mountains and on the banks 
of the Missouri. M. Lewis. lJ..Ju\y. v.v. Flow- 
ers large, blue j a very good perennial, and it probably 
might become an useful plant if cultivated. 
3. L. foliolis calycynis acutis panicula terminali, floribus 
remote alternis, foliis lineari- lanceolatis sparsis : radi- 
calibus ovatis. — Willd. sp.pl. l.p. 1538. 
On dry sunny hills and fields : New York to Virginia. 
©. July, Aug. v. v. Flowers small, yellow. 
4. L. foliolis palycinis ovatis acuminatis trinervibus ciliatis, 
petalis oblongis angustissimis, foliis rigide-erectis line- 
aribus brevibus. 
On the Missouri. Nuttall. v. s. Flowers sulphur- 
yellow^. 
273. DROSERA. Gen. pl. 531. 
i. D. scapis radicatis simplicibus, foliis suborbi culatis basi 
attenuatis, petiolis elongatis pilosis.-— Willd. sp.pl. 1 
p. 1543. Mich.fi, amer. 1. p. 186. 
