158 
LXVIII. EUSTEGIA (from ev, eu, well, and ereyo, stego, 
to cover; in reference to the triple corona)  R. Br. in mem. 
wern. soc. 1. p. 51.—A pócynum species of Thunb. 
Lin. syst. — Pentándria, Digy/nia. Corolla rotate. Co- 
rona triple, each composed of 5 leaves; outer one inserted in 
the throat of the corolla, having its leaflets opposite the seg- 
ments of the limb ; the leaflets of the rest alternating with those 
‘of the outer, but opposite the anthers; leaflets of the middle 
corona tripartite, of the inner one undivided. Anthers termi- 
nated by a membrane; pollen masses fixed by their tapering 
apexes, pendulous. Stigma submutic. Follicles unknown.— 
Dwarf decumbent herbs. Leaves opposite, hastate. Flowers 
subumbellate. Umbels interpetiolar. 
1 E. wasta‘ta (Roem. et Schultes, syst. 6. p. 119.) branches 
decumbent ; leaves hastate, ciliated. 2. G. Native of the 
Cape of Good Hope. Spreng. neue. entd. p. 268. t. 5. f. 5-10. 
Apócynum hastàtum, Thunb. prod. 1. p. 47. fl. cap. 2. p. 164. 
act. nov. petrop. 14. p. 514. t. 9. f. 6. A. minütum, Lin. suppl. 
p. 169. Branches and peduncles downy. Leaves glabrous. 
Hastate-leaved Eustegia. Fl. June, July. Clt. 1816. Pl. 
dec. 
2 E. rinrrónwis (Roem. et Schultes, syst. 6. p. 120.) stems 
decumbent; leaveslinear-filiform. |. 4. G. Native of the Cape 
of Good Hope, in sandy fields at Swartland. Apócynum fili- 
forme, Thunb. prod. 1. p. 47. fl. cap. 2. p. 160. Stems, pe- 
duncles, and pedicels downy. Leaves glabrous. 
Filiform-leaved Eustegia. PI. dec. 
Cult. For culture and propagation see Ceropégia, p. 112. 
$4. 
LXIX. METASTE’LMA (from pera, meta, instead, and 
erthua, stelma, a crown; the throat is crowned by 5 exserted 
teeth instead of a corona). R. Br. in mem. wern. soc. 1. p. 52. 
—Cynánchum species of authors. 
Lin. syst. Pentdndria, Digynia. Corolla subcampanulate ; 
throat crowned by 5 exserted teeth, which are opposite the 
recesses between the segments, and running down the tube 
inside. Stamineous corona wanting. Anthers terminated by a 
membrane ; pollen masses compressed, fixed by their attenuated 
apexe’, pendulous. Stigma mutic. Follicles unknown.—4A per- 
ennial, twining, glabrous plant. Leaves opposite, membranous. 
Umbels interpetiolar, almost sessile. Flowers small. 
1 M. parvirtorum (R. Br. l.c). Y:? C. S. Native of 
the West Indies, among bushes on the mountains. Cynanchum 
parviflórum, Swartz, prod. p. 53. fl. ind. occ. 1. p. 537.—Plum. 
icon. 215. f. 1. Leaves ovate, subulate at top. Stems bluntly 
tetragonal. Flowers small, whitish green. 
Small-flowered Metastelma. | Pl. tw. 
Cult. For culture and propagation see Pergulària, p. 133. 
LXX. MICROLO'MA (from juxpoc, micros, small, and 
wpa, loma, a fringe; in reference to the fascicles of hairs in 
the tube of the corolla). R. Br. in mem. wern. soc. 1. p. 53. 
— Ceropégia species, Lin. and Thunb. Lam. ill. t. 179. 
Lin. syst.  Pentándria, Digynia. Corolla urceolate, with a 
ventricose angular tube, a naked throat, and a short limb. 
Scales 5, inclosed, inserted in the middle of the tube under the 
recesses, alternating with as many fascicles of hairs. Sta- 
mineous corona none. Anthers sagittate, terminated by a mem- 
brane; pollen masses compressed, fixed by their apexes, pendu- 
lous. Stigma apiculated. Follicles unknown.—T wining sub- 
shrubs. Leaves opposite. Umbels interpetiolar. 
1 M. sacirra‘tum (R. Br. l. c.) leaves sagittate, downy ; 
limb of corolla acutish. X. ^. G. Native of the Cape of 
Good Hope, on sandy hills. Ceropégia sagittata, Lin. mant. 
215. Thunb. prod. 1. p. 37. fl. cap. 2. p. 148.nov. act. 
ASCLEPIADEZE. LXVIII.  EvusrEGIA. 
Stamineous tube or gynostegium naked. Corona wanting. 
LXIX. METASTELMA. 
LXX. Microtoma. LXXI. ASTEPHANUS. 
petrop. t. 14. Jacq. hort. schoenbr. J. p. 17. t. 38.—Burm. 
afr. 36. t. 15. Stems villous or tomentose. Corolla scarlet, 
ex Lin.; purple, but green at the base and apex, ex Thunb. 
Sagittate-leaved Microloma. Fl. July, Aug. Clt. 1775, 
Shrub tw. 
2 M. rixEA'nE (R. Br. l. c.) leaves linear, glabrous ; limb of 
corolla very blunt. h.%.G. Native of the Cape of Good 
Hope, on hills. Ceropégia tenuiflora, Lin. syst. 211. Thunb. 
prod. 1. p. 37. fl. cap. 2. p. 147. Periploca tenuiflora, Lin. 
spec. p. 310. Ceropégia tenuifólia, Pers. ench. 1. p. 277.— 
Burm. afr. 37. t. 16. f. 1.?—Plukn. mant. 17. t. 335. f. 5. 
Stems glabrous. Corollas blood-coloured, ex Thunb. 
Linear-leaved Microloma. Fl. July, Aug. Clt. 1823. 
twining. 
Cult. 
Sh. 
For culture and propagation see Ceropégia, p. 112. 
LXXI. ASTE’PHANUS (from a priv. and ørepavoc, ste- 
phanos, a corona; corona none). R. Br. in mem. wern. soc. 1. 
p. 54.—Apécynum species, Lin. fil. and Thunb. 
Lin. syst. Pentdndria, Diginia. Corolla subcampanulate, 
having the throat and tube without scales, Stamineous corona 
wanting. Anthers terminated by a membrane ; pollen masses 
pendulous. Stigma cordate or mutic. Follicles unknown.— 
Perennial, usually twining plants. Leaves opposite. Umbels 
interpetiolar. Flowers small. This genus differs chiefly from 
Mierolóma in the want of scales within the tube of the corolla. 
1 A. tTrirtorus (R. Br. l. c. Schultes, syst. 6. p. 122.) 
stems twining, pilose; leaves lanceolate, villous beneath ; um- 
bels generally 3-flowered. h. ^. G. Native of the Cape of 
Good Hope.  Cynánchum triflórum, Lin. fil. suppl. 169. 
Thunb. prod. 1. p. 47. fl. cap. 2. p. 161. Corollas white. 
Filaments and anthers connate. 
Three-flowered Astephanus. 
Shrub tw. 
2 A. unea‘ris (R. Br.l. c. Schultes, syst. 6. p. 123.) stems 
twining, glabrous; leaves linear-lanceolate ; umbels trichoto- 
mous, lateral, and terminal. h.^©. G. Native of the Cape of 
Good Hope, in Swartland. Cynanchum lineàre, Lin. fil. suppl. 
169. Thunb. prod. 1. p. 47. fl. cap. 2. p. 160. Leaves an inch 
long. Corollas white. 
Linear-leaved | Astephanus. 
Shrub tw. 
3 A. naNcEOLA' rus (R. Br. l.c. Schultes, l. c.) stems twin- 
ing, glabrous; leaves lanceolate, glabrous; umbels usually 3- 
flowered. k. ^. G. Native of the Cape of Good Hope. 
Apócynum lanceolàtum, Thunb. prod. 1. p. 47. fl. cap. 2. p. 
162. Corollas white. Leaves rounded at the base. 
Lanceolate-leaved Astephanus. Shrub tw. 
4 A.? conpa'rus (R. Br. l.c. Schultes, l. c.) stems twin- 
ing, hairy ; leaves ovate, rounded at the base, villous beneath 
and glabrous above; umbels interpetiolar. h.^. G. Native 
of the Cape of Good Hope, in woods. Apdcynum cordàtum, 
Thunb. prod. 1. p. 47. fl. cap. 2. p. 163. Leaves more than 
an inch long. Calycine segments laciniated, acute. Corolla 
greenish, 5-parted to the base ; segments ovate, concave, obtuse. 
Filaments distinct; anthers combined; stigmas obtuse. Folli- 
cles 2, oblong. Styles 2, filiform. 
Cordate-leaved Astephanus. Shrub tw. 
5 A. Masson (Schultes, syst. 6. p. 124. ex R. Br. 1. c.) 
shrubby ; branches spinescent; leaves small, opposite, distant, 
cordate ; corolla more urceolate than campanulate, the orifice 
of the tube furnished with deflexed hairs. h.G. Native of 
the Cape of Good Hope, where it was detected by Masson. 
The pollen masses are fixed by their attenuated apexes. The 
follicles are nearly cylindrical, and smooth, with the seeds of the 
usual structure. 
Fl. July Aug. Clt. 1816. 
Fl. July, Aug. Clt. 1816. 
