108 
anther, fixed to the corpuscles of the stigma, by the apex or above 
the middle of the side, pendulous, that is 5 anthers, separable 
into 2 parts by a longitudinal furrow. Anthers terminated by 
a membrane. 
§ 1. Stamineous tube appendiculate. Corona simple, 5-leaved ; 
leaflets opposite the anthers ; and sometimes mith as many small 
segments between the others in the same series. 
41 Asctz‘pras. Corolla 5-parted, reflexed (f. 18. e.). Leaf- 
lets of corona cucullate, seated on the top of the tube of the 
filaments: having a little horn-formed segment running from 
the bottom of each, lying in the hollow.  Follicles slender, 
smooth. 
42 Porvórus. Corolla rotate, 5-parted, reflexed. Leaflets 
of corona ovate-concave, without any appendage inside, but 
auriculate at the base.  Follicles slender, smooth, or villous. 
43 Enste‘nta. Corolla 5-parted, erect. Corona simple, 5- 
parted, petaloid, flat, truncate ; the segments ending in a bifid 
thread. Stigma conical, subilamellate. ^ Follicles slender, 
smooth. 
44 Gompnoca’rpus. Corolla 5-parted, reflexed. Leaflets 
of corona subcucullate, furnished with a tooth on each side, 
but without any appendage inside.  Follicles inflated, ramen- 
taceous. 
45 Ora‘r1a. Corolla 5-parted, reflexed. Corona 5-leaved, 
seated on the upper part with the tube of the filaments ; leaflets 
cucullate: having a horn-formed process running from the 
bottom, and biauriculate on the inside at the base. Follicles. ? 
46 OxvsrELMA. Corolla rotate, not reflexed. Leaflets of 
corona acute, or acuminated, toothless inside.  Follicles smooth. 
47 Irnuísia. Corolla rotate. Leaflets of corona narrow at 
top, toothless inside. Follicles smooth. 
48 PrNTA^rRoPIs. Corolla rotate. Leaflets of corona ver- 
tically adnate to the gynostegium, averse and free at top. Pollen 
masses fixed beneath the apex. 
49 Rapuiste’mma. Corolla campanulate. 
rona elongated, compressed. 
gium appendiculate outside. ? 
50 UnmosrELMa. Corolla campanulate. Corona 5-lobed; 
lobes obtuse. Gynostegium furnished with 5 long membranous 
processes, each process furnished with a filiform appendage. 
Follicles muricated. 
51 AwA'wrHERIX. Corolla subcampanulate, 5-cleft. Corona 
5-lobed ; lobes compressed, empty inside, incurved ; furnished 
with a little segment at the apex inside. Follicles muricated. 
52 Xysmatosium. Corolla somewhat campanulate ; with a 
ventricose tube. Gynostegium exserted. Pollen masses com- 
pressed. Leaflets of corona obtuse, fleshy, alternating with 5 
small denticulations. Follicles ventricose, ramentaceous. 
53 Carórmorrs. Corolla, gynostegium, and pollen masses as 
in Xysmalobium. Leaflets of corona adnate, longitudinally 
averse, recurved at the base. 
54 Oxypr’TALuM. 
as in Xysmalobium. 
Leaflets of co- 
Follicles ventricose. | Gynoste- 
Foilicles ventricose, smooth. 
Corolla, gynostegium, and pollen masses 
Leaflets of corona fleshy, obtuse. Pollen 
masses fixed to the curvatures of the processes, which at length 
are ascending. 
ASCLEPIADEZ. 
55 ScHUBE RTIA. 
base. 
Corolla funnel-shaped, ventrieose at the 
Gynostegium exserted. ? Leaflets of corona adnate to 
the tube of the filaments, lanceolate, connivent. 
known. 
56 LACHNÓŐSTOMA. 
bearded throat. Gynostegium and pollen masses as in Xysma- 
lóbium. Leaflets of corona lunately 2-lobed, fleshy; lobes 
linear. 
57 Macroscr'pis. Calyx exceeding the corolla. Corolla 
and pollen masses as in Xysmalóbium. Gynostegium saucer- 
shaped, hardly exceeding the tube of the corolla. Corona of 
5, fleshy, roundish, rather concave scales. i 
58 Arav’s1a. Corolla campanulately urceolate (f. 20. c.) ; 
with 5 swellings at the base. Gynostegium inclosed. Leaflets 
of corona saccate, naked inside. Stigma bicornute at apex. 
Pollen masses fixed by the apex. ? 
59 Kana‘uta. Corolla campanulate. Gynostegium inclosed. 
Leaflets of corona dilated from the base, subulate, simple in- 
side. Pollen masses ventricose, fixed by their apexes. Stigma 
Follicles un- 
Corolla somewhat salver-shaped ; with a 
mutic. 
60 Dreto’teris. Corolla urceolate. Gynostegium inclosed. 
Leaflets of corona furnished each with a small, parallel segment 
inside. Pollen masses ventricose, fixed beneath their apices. 
§ 2. Gynostegium appendiculate. Corona simple, of one piece : 
having its tube sometimes furnished mith segments or keels in- 
side. Corolla subrotate. 
61 HorosrE'MMa. 
masses compressed. 
62 Cyna’ncnum. Mouth of corona 5-20-cleft, when only 
5-cleft the lobes are opposite the anthers, 
63 MrrmAPLE xis Corona 5-parted; lobes alternating with 
the anthers. 
Pollen 
Corona annular, quite entire. 
§ 3. Gynostegium appendiculate. Corona compound, in 2-3 
series, each series with a distinct insertion. Throat of corolla 
without scales. 
64 Drra’ssa. Corona double; outer one 5-parted, with 
acuminated segments; segments of interior one shorter and 
opposite those of the outer one. 
65 Dz'wr4. Corona double; outer ones 5-parted, some- 
times alternating with smaller segments; inner one longer, and 
alternating with the outer one : having the segments loose or free 
to the base.  Follicles ramentaceous. 
66 SancosrE'MMA. Corona double; outer one cup-shaped 
or annular, crenated; inner one longer and 5-parted; both 
fleshy. Follicles slender, smooth. 
67 PuHILIBE'RTIA. Corona double; exterior one annular, 
entire, fleshy, undulated ; inner one inserted on the top of the 
gynostegium, of 5 entire, fleshy segments. Corolla urceolate, 
sinuately 5-lobed, furnished with small teeth between the seg- 
ments. 
68 EvusrE' rA. Corona triple, each composed of 5 segments ; 
outer one inserted in the throat of the corolla, and opposite its 
segments ; segments of the middle one tripartite; inner one 
undivided. 
