POLYANDRIA MONOGYNIA. Tilia.* 
2. T. follis cordatis sensim acuminaiis rariter dentatis mem- 
branaceis glabris. paniculis laxifloris, petalis emargi- 
natis, stylo petalis longiorCj mice globosa.— 
amer. 1 . p. 300. 
Icon. Mich. arb. t 
Near the sea-coast : Maryland to Georgia. Tj . May, 
Jane. v. v. s. Ji. A very distinct species, though 
generally confounded with the foregoing one. 
3. T. foliis basi truncatis obliquis acuminatis denticulato- 
serratis subtus pubescentibus, paniculis confertifloris, 
petalis emarginatis, stylo petalis subaequali, nuce glo- 
bosa laevi.- — Vent, in mem, de L'instit. sc. phys. 4. p. 10. 
t. 3. Willd. sp. pi. 2. p. 1 162. 
T. caroliniana. Mill. diet. no. 4. 
T. americana. Walt, ji car. \ 53. Wangk.amer. 55. 
/3. T. foliis laxe serratis tenuissimis subpapyraceis. Vent, 
l.c.p.ll. 
In close copses and on the banks of rivers : Virginia to 
Georgia. T2 . May — July. v. v. The variety /S. 
can scarcely be considered a distinct species, unless the 
flowers and fruit should prove it so, both of which I 
have not seen. 
4. T. foliis ovatis basi oblique aut sequaliter truncatis cor- 
datisque argute serratis subtus niveo-tomentosis, nuce 
globosa subcostata. Vent. 1. c. p. \6 t. 5. 
On the banks of the Ohio and Mississippi. . June. 
V. s. A very handsome and desirable ornamental tree. 
425. HELIANTHEMUM. Jass. gen. pi. 326. 
Cisti spec. Gen. pi. 913. 
1. H. exstipulatum, erectum ; foliis aliernis erectis lineari- 
lanceolatis planis subtus tomentosis, racemis termina- 
libus paucifloris, calycis laciniis lato-ovatis acuminatis, 
capsulis calyce brevioribus. — Willd. sp. pi. 2. p. 1 199. 
sub Cisto. 
In dry fields and pine woods : Canada to Carolina. 11 . 
June. V. V. Flowers, as in all the following species, 
yellow. 
2. H. exstipulatum, erectum, pulverulento-tomentosum 5 
foliis alternis oblongis acutis margine revolutis subtus 
tomentosis, racemis brevissimis, summitate subtriflo- 
ris, calycis lacinii.9 orbiculatis pulverulentis, capsulis 
globosis iongitudine calycis. — Mich. Ji, amer, 1, 
p. aoy. 
363 
laxijlora. 
pulescens. 
leptophylla. 
heterophylla. 
canadense. 
ramulijiorum. 
