( 3630 ) 
TWEEDIA VERSICOLOR. CHANGEABLE-FLOW- 
ERED 'TWEEDIA. 
Class and Order. 
PENTANDRIA Dicynta. 
( Nat. Ord.—AsciepiapEz. ) 
Generic Character. 
Calyx 5-partitus. Corolla campanulata, fauce coronata, 
Squamis 5 carnosis retusis vel bifidis, exsertis, sinubus op- 
positis. Corona staminea nulla. Anthere membrana ter- 
minate. Masse pollinis ventricose, apice attenuato affixe, 
pendule. Stigma elongato-acuminatum, bipartitum.—Suf- 
frutices volubiles. Folia opposita membranacea. Umbella 
axillares. Flores majusculi. 
Specific Name and Character. 
Tweepia* versicolor ; pubescenti-tomentosa, foliis brevi- 
petiolatis oblongo-hastatis, pedunculis umbellatis 3—4- 
floris, corollz laciniis obtusis, squamis corollinis ligu- _ 
latis apice recurvis crenatis, antheris erecto-appressis, _ 
stigmate bifido squamis corollinis vix longiore, 
A most highly interesting Asclepiadeous plant, for which — ee 
I am indebted to Mr. Niven, the excellent Curator of the 
Glasnevin Botanic Garden, in which Establishment it flow- ee 
ered in July, 1837, and whence the specimen here repre- ee 
sented was sent, accompanied by a beautiful figure. It was 
discovered by Mr. Tweente, probably in Tucuman, (though 
the locality is not mentioned,) and communicated to Mr. 
Niven with the name of Ascuepias Asedra. Its large flow- 
: oe. 
_ * So named in compliment to Mr. James TWEEDIE, an intelligent and 
indefatigable collector of plants in Buenos Ayres, Tucuman, 8. Brazil, &. 
