CENT. 1H. 23 
200, Ot. lanceolata R. n. fl. 891. Asclep. do 
Ives &c---Novangl.ad Kentucky. All theabove 
N. G. from 186 are of Asclepides tribe. 
This Century contains 25 N. G. whereof 4 
now first described with 14 N. sp. now des- 
cribed. 
i e mo 
CENTURIA IlI. 
201. EVACTOMA Raf. diff. Silene et 
Cucubalus, cal. infl. camp. 5fid. membranosis, 
petalis 5 flabellatis multifidis non coronatis, sty- 
lis 3, caps. 3loc. 3valvis, fol. verticil. fl. subra- 
cem.—This deserves to be a G. by habit and 
characters, the name means well cut star. 
Evactoma stellata Raf. Cucub. et Sil. do O--- 
---N. America. 
202, CucvuBALUs baccifer, L. Europa, the 
only real type of this G. with calix as in evac- 
toma but deeper 5fid, petals bifid, capsule bac- 
cate, leaves opposite, fl. in forks. called Moen- 
chia by Necker, not of others. 
203, OBERNA Ad. Behenantha Otth. diff. 
Cucubalus, cal. urceolato inflato 5dent. inter- 
dum reticul. basi umbilic, Capsula sicca. &c. 
—blended with Cucubalus and Silene by all 
authors. 
204, OnERNA nivea Raf. Silene nivea Dec. 
Cucub. do Nut.—Susquehannah, one of the 
rarest Amer. plants, found by me since 1804. ; 
205, OnrERNA reticulata Raf. caule erecto 
dichot. anceps, fol. brevis lanceol. acutis, basi 
membrana connatis, fl. corymbosis, cal. amplis 
reticulatis, petalis flabellatis bifidis nudiusculis 
—Sibiria or N. W. America, internodes long, 
leaves short seldom uncial, flowers large white, 
calix exactly as in the G. base deeply umbili- 
cate, 5 large teeth. 
