; 64 
DIPLADENÍA crassinoda. 
Knob-jointed Dipladenia. 
PENTANDRIA MONOGYNIA. 
Nat. ord. APOCYNACEX. 
DIPLADENIA, Alph. D.C. Calyx 5-partitus, lobis basi interne utrin- 
que 1-2-glandulosis; glandulis nunc ligulatis vel squamosis. Corolla hypo- 
craterimorpha vel tubo basi cylindrico et superne infundibuliformi, circa 
originem staminum hispida; fauce exappendiculata; lobis sestivatione sini- 
strorsum convolutis. Anthere subsessiles, in superiore parte tubi vel medio 
aut sub media parte ubi tubus latior fit insertee, sagittatee, medio stigmati 
adheerentes, apicee acuminate vel membrana acuta terminate. G/andule 
nectarii 2, cum ovariis alternantes, obtuse, singule a duabus connatis ple- 
rumque constantes, quinta glandula in Echite uno ex ovariis opposita defi- 
ciente. Ovaria 2, nectario seepius longiora. Stylus 1l. Stigma globulosum, 
inferne membrana reflexa umbraculiformi (an semper ?) stipatum. — Folliculi 
et seming ut in Echite. Frutices scandentes, vel sepius suffrutices aut 
herbe bast suffrutescentes erecta, Amerieze meridionalis incole foliis oppositis, 
integris, sepe angustis, utrinque basi setis glandulisve pluribus loco stipularum 
stipatis, pedicellis axillaribus, nunc in racemum terminalem approximatis, 
Jforatione centripeta ; corollis sepius purpureis.— Alph. DeCand. Prod. 1. 481. 
` 
D. crassinoda; glaberrima, caule ramoso nodoso, foliis lanceolatis acutis v. 
acuminatis basi acutis utrinque nitidis coriaceis, racemis axillaribus com- 
pressis subsexfloris elongatis, lobis calycinis lanceolatis acuminatis tubi 
parte cylindricá paulo brevioribus pedicello duplo tripove brevioribus, 
corollae tubo infra medium campanulato, lobis obovato-orbicularibus.— 
Alph. DC. 1. c. 486. 
Echites crassinoda, Gardner in Hook. Journ. bot. 1. 544. 
Echites carassa, Hort. 
Mons. Alphonse DeCandolle in his monograph of the 
Apocynaceous order, has separated various plants from the 
old Linnzan genus Echites, and among others the E. splendens 
and atropurpurea, two well known garden species, which he 
places in a genus called Dipladenia, from d:rAos, double, and 
aönv, a gland, in allusion to the two tubercles which are 
found at the base of their ovary. This genus, to which 
twenty species in all are referred ; also contains the plant 
