104 TETRANDRIA. MONOGYNTA, 
: Se 
Species. 1. 2.ramosier 2. humilis.—Of 9 species now 4 oe 
enumerated, including the above, 3 are indigenous to In- 
dia, 1 to Italy, 1 to Senegal, and 2 to the West Indies. 
154. PTELEA. L. 
Calix 4-parted, inferior. Petals 4, spreading. 
Stigmata 2. Capsule (samara) compressed, 
membranaceous, with a broad and circular 
margin, 2-celled, 2-seeded. 
A shrub with alternate leaves; mostly ternate, rarely 
_ $-leaved; flowers almost corymbose, axillary and terminal, 
odorous. Each cell of the germ 2 seeded, one of the seeds 
habitually abortive; stamina sometimes 6, with 5 petals, 
and the samata 3.celled, 3-winged. 
‘Srecies. 1. P trifoliata—A North American genus, 
mow reduced to a single species, nearly allied to the 
Blackburnia of the island of Norfolk in the Pacific. The 
P. monophylla of Lamark, appears 0 be the Mylocarium 
Rgustrinum! Probably a bad specimen in fruit and with- 
out flowers. 
a : ttt Apetalous. 
4155. RIVINA. L. 
Calix 4-parted, persistent. Petals 0, Berry 
I-seeded, Seed lentiform, scabrous. (Stamina 
4, 8 and 12.) 
- Stems somewhat shrubby; leaves entire, often acumi- 
ary ‘Rated; flowers in axillary racemes. (Stem in A, levis, her- 
Species. i. R. levis. v. 8. in the Herbarium of Z. 
Collins, Esq. communicated by Muhlenberg, and said to 
be collected in Pennsylvania. Possessing very much the 
habit of Phytolacca decandra. 
There are 5 species of this genus enumerated by Per- 
soon, all indigenous to the tropical paris of America on. 
either side the equator. Of the 2. levis there is, on the 
ene thority of Lamark, a distinct variety in the island of 
156. CAMPHOROSMA. Z. ; 
—_. Calix urceslate, 4-paried, alternate segments 
_ larger. 0. Stamina exserted. Style bifid. 
~ Capsule 1-seeded, covered by the calix. 
_ Stem shrubby or herbaceous, branching and diffuse, — 
