to the Genera.] XVI—-MONADELPHIA. 115 
+Anthers with a membranous inflexed apex, if obtuse 
(rarely in Hoya) then with large pees single corona, 
rotate corolla and free petal tips :—[p. 1 
orona Os fruits Blobose; Seeds Inge ee coma ; 
corolla 
0. Sarcolobus 
Corona present, or if (onistianen's in Se ae sane 
in Marsdenia) absent, then fruit not globose, and seeds 
provided with a co 
At 
Corona adnate to corolla-tube ; iced = corolla over- 
lapping to the right 
ymnem 
ae Sehae to the staminal ne: or to ie 
goraak lobes overlapping to the right, or if sub- 
valvate (Tylophora sometimes), then with stamens 
inserted in the throat or tube of the corolla :— 
{p. 116] 
Stamens arising from the base of the corolla :— 
cales of corona minute, attached to base of 
staminal tube; fiowers urceolate or wide- 
campanulate, small 582 
ongronema, 
cales of corona conspicuous, attached above 
the base of the staminal tube, rarely 0 :— 
Corolla large (1 in. long or seer ani 
salver-shaped or funnel-sha of 
corona erect, attached to back of sien, 
sometimes absent .,......- 583, Stephanotis. 
Corolla medium (5 in. long or less) :— 
cales of corona ere’ 
"Cael scales attached to staminal 
tube and back of anthers, rarely absent ; 
AM iowers purplish or greenish, campanu- 
late or f eceslate 200.584, M enia. 
wae wig attached only to sta- 
nal tube, free above; flowers yellow 
or peter etched 
. 
ube; te Dregea. 
Stamens FO ied throat or tube of corolla ; 
scales of corona laterally compressed, fleshy, 
attached to staminal tube, more or less spread- 
