TETRANDRIA MONOGYNIA, Houstonia. 
H. longifolia. Willd. 5p. pl. 1. p. 583 > 
Along the sea-coast, in sandy fields : Carolina to Floi- 
 » da JX.May--July v.v. Flowers purple. 
6. H. caule erecto superne ramoso ad geniculis pubescente, 
` foliis sessilibus ovatis lanceolatis vel lineari-lanceolatis, 
- fasciculis terminalibus corymbosis. — p ram am pl. 1. 
- p. 884. 
H. varians, Mich. fl. amer. 1. p. 86. 
i Hedyotis umbellata. Walt. fl. car. 85. 
oxia purpurea. Lam. illustr. 1. p. 259. 
In dry woods : Pensylvania to Carolina. X. June, July. 
v.v. Flowers purple. 
135. AMMANNIA. Gen. pl. 206. 
1. A. caule erecto, foliis lanceolato-linearibus basi dilatata 
semi-amplexicaulibus, floribus inferioribus verticillatis. 
c Willd. sp. pl. 1. p. 678. 
In swamps and inundated fields : Virginia, Carolina, and 
_ the western territories. ©.July, Aug. v.v. Flow- 
ers purple. | 
2. À. caule procumbente, foliis lanceolatis in pe dud an- 
gustatis, floribus solitariis oppositis sessilibus.—Aich. 
Ji. amer. 1. p. 99. 
-Tamosior. Walt. fl. car. 88. 
In gravelly wet places, along rivers : Virginia to Caro- 
©. Aug. Sept. v.v. Flowers red. x 
"505 0486, PTELEA. Gen. pi. 1505. 
1. P. foliis ternatis. Willd. sp. pl. 1. p.670. — 
Icon. Schmidt arb. 2. t.76. Mill. ic. 2. £211. 
.&. P. foliis quinatis. Du Roi. 
- B. P. foliis pubescentibus. ' 
In shady moist hedgesand on the edges of woods among ; 
rocks: New York to Carolina. h .June. v.v. A 
small tree or shrub from ten to fifteen feet high. 
— Flowers small, greenish white, in corymbous clusters. 
— The variety B grows i in Pensylvania, — be 
fi eet ‘Species, pf 
= 137. CORNUS: - Gen. pl. 194. 
— ^* Involucrate capitate. 
bacea ; foliis summis verticillatis venosis, involu- 
cris ovatis AM drupis. qua T ug sp. 
| pl. p. 661, — | 
purpurea. 
‘ramosior. 
humilis. 
trifoliata. 
pentaphylla. 
pe 
canadensis. — 
