ASCLEPIADE. 
§ 4. Stamineous tube or gynostegium naked. Corona wanting. 
69 MrrAsTELMA. Throat of corolla campanulate, crowned 
by 5 teeth, which run down the tube. 
70 Microtoma. Throat of corolla urceolate, naked. Scales 
in the tube 5, inclosed, alternating with as many fascicles of 
hairs. 
71 AsTE'PHANUS. 
tube rather hairy. 
72 PENTASA'CHME. 
scales. Anthers free. 
73 HyBANTHE'RA. 
back. 
Throat of corolla suburceolate, naked ; 
Corolla rotate; throat crowned by 5 
Pollen masses fixed above the middle. 
Corolla rotate. Anthers gibbous on the 
Stigma mutic. 
Tur IV. 
SzcaMONEEX. Pollen masses 20, erect, smooth, that is 4 to 
each anther, which are fixed to the tops of the 5 exsulcate cor- 
puscles of the stigma. Filaments connate, appendiculate outside. 
Corolla rotate. 
74 SzcAwOÓNE. Corona 5-leaved ; leaflets compressed later- 
ally, fixed longitudinally by the margins, simple, averse. 
75 Toxoca’rpus. Corona 5-leaved; leaflets flattish on the 
back, and furnished with a little segment. 
76 GomwiosrE'MMA. Corona tubular, 5-angled, 5-lobed, ad- 
hering to the base of the gynostegium. 
Tribe V. 
Prnierócgm. Pollen masses 5-20, granular (each granule 
composed of 4 sperules), applied singly or by fours to the dilated 
free top of each corpuscle of the stigma. Filaments partly or 
altogether distinct. Anthers connivent. 
77 Hemive’smus. Filaments combined at the base, but dis- 
tinct at top, inserted in the tube. Anthers cohering, beardless. 
Pollen masses applied by fours to each corpuscle of the stigma. 
Corolla rotate: having 5 mutic scales inserted in the throat, 
under the sinuses. 
78 Bracuy'teris. Filaments broad, short, distinct, inserted 
in the upper part of the tube. Anthers cohering, beardless. 
Pollen masses applied by fours to each corpuscle of the stigma. 
Corolla rotate: having 5 short, mutic segments in the throat, 
under the recesses; tube clothed with a broad, fleshy scale 
inside. 
79 Srreprocau'ton. Filaments distinct, inserted in the 
tube. Anthers cohering by the base, but free and beardless at 
top. Pollen masses fixed singly to each corpuscle of the stigma. 
Corolla subrotate ; throat crowned by 5 short aristate scales 
under the sinuses; anthers flexuous, erect, filiform, straight at 
the apex. 
80 Deca’teris. Filaments distinct, inserted in the upper 
part of the throat, along with the 5 upper scales, and com- 
bined with them to.the middle.  Anthers cohering at the 
base, but distinct at top and beardless, ending each in a sub- 
dilated appendage. Pollen masses as in Streptocatlon. Corolla 
subrotate, crowned by 5 oblong-oval, flat, mutic scales, in the 
throat under the sinuses; and furnished with 5 linear, obtuse 
scales in the tube. 
I. CEROPEGIA. 109 
81 FrsraAvsóNiA. Filaments distinct, inserted in the throat 
inside tubercles.  Anthers cohering at the base, each terminated 
by a broad ovate point. Pollen masses as in Hemidésmus. 
Corolla rotate; having the throat crowned by 5 awned tuber- 
cles, under the sinuses ; awns capillary, erect, hooked at apex. 
82 PrníPLocA. Filaments distinct. Anthers combined, 
bearded. Pollen masses applied singly to each corpuscle of the 
stigma. Corolla rotate: having 5 aristate scales in the throat. 
83 PuytiantuE RA. Filaments distinct. Anthers cohering, 
beardless, ending each in a dilated, foliaceous membrane. 
Pollen masses applied by fours to each corpuscle of the stigma. 
Corolla deeply 5-parted ; throat naked ? 
84 Lzróswa. Anthers inserted above the base of the tube 
of the corolla. Pollen masses fixed by pairs to each corpuscle 
of the stigma. Corolla rotate, furnished with 5 fleshy scales in 
the throat, which cover the genitals. 
85 GvwNawTHERA,. Filaments distinct. Anthers cohering, 
beardless. Pollen masses fixed by fours to each corpuscle of 
the stigma. Corolla salver-shaped. 
86 CnayProsrE 1A. Filaments distinct, short, inserted in the 
bottom of the tube of the corolla. Anthers cohering, inclosed. 
Pollen masses fixed singly to each corpuscle of the stigma. 
Segments of calyx long, lanceolate. Corolla campanulately 
funnel-shaped ; tube furnished with 5 bipartite scales inside, 
which cover the anthers, being opposite them. 
Tribe I. 
ORTHOPHURA'MI/E (from opðoc, orthos, straight, and 
$vpapga, phurama, a mass; in reference to the pollen masses 
being erect). Asclepiadee vere, part. R. Br. in mem. wern. 
soc.l. p. 21. Pollen masses 10, erect (f. 15. d.) or connivent, 
smooth, waxy, fixed by pairs (f. 15. c.) to the 5 corpuscles of 
the stigma ; that is 5 anthers, separable into 2 parts by a lon- 
gitudinal furrow. (f. 15. c.) 
Supreme I. Srapezie‘#. Pollen masses fixed by the base 
or beneath the middle of the side, lying on the stigma. Anthers 
simple at top, that is, not terminated by a membrane. (f. 15. d.) 
§ 1. Column of fructification, or gynostegium inclosed. Sta- 
mineous corona appendiculate outside. 
I. CEROPEGIA (from xgpoc, wax, and myn, pege, a foun- 
tain; in reference to the waxy pollen masses). R. Br. in mem. 
wern. soc. l. p. 21. Wight and Arnott, contrib. ind. bot. p. 29. 
—lsaüra, Comm. in Poir. encycl. 3. p. 185.— Stephanótis, Pet. 
Th. nov. gen. mad. no. 35. in Reem. coll. p. 203. Juss. ann. 
mus. 15. p. 347.—Ceropégia species, Lin. and others. 
Lin. syst. Pentdndria, Digynia. Calyx 5-parted. Corolla 
funnel-shaped, more or less ventricose from the base; segments 
of the limb narrow, cohering at the apex. Column of fructi- 
fication inclosed. Stamineous corona 5-10-15-lobed: the lobes 
disposed in a single or double series, ligulate, placed in front of 
the stamens. Anthers simple at the top: pollen masses erect, 
fixed by the base, with simple edges. Stigma mutic. Follicles 
cylindrical, smooth. Seeds comose.—Usually twining herbs 
or subshrubs, only sometimes lactescent. Leaves opposite. 
Roots fibrous or tuberous. The corona in this as in most of the 
genera in the present order consists of a single whorl of 5 leaves 
Opposite the stamina, and alternating with the segments of the 
corolla. In Ceropégia the leaflets of the corona are mostly 3- 
lobed ; the lobes are sometimes distinct to near the base, form- 
