120 



ASCLEPIADE^E. IX. ORBEA. 



the Cape of Good Hope. Stapelia trisulca, Jacq. stap. t. 64. 

 Corolla dirty yellow, covered with dark rufous dots ; orb sul- 

 phur-coloured ; ligulae yellow ; with a large deep brown mark 

 at the base, and dotted at the apex. 



Tno-fwrorved Orbea. Fl. June, Sept. Clt. 1805. Shrub 

 1 foot. 



5 O. VARIEGA^TA (Haw. syn. 40.) corolla glabrous, convex 

 outside of the tube ; segments ovate, acute ; ligulae bifid, acute ; 

 orb tumid, large. ^ . S. Native of the Cape of Good Hope, 

 on the sides of mountains, at Leuweberg, and elsewhere. Sta- 

 pelia variegata, Thunb. prod. 1. p. 46. fl. cap. 2. p. 170. Jacq. 

 stap. t. 24. misc. 1. p. 27. t. 4. D. C. pi. gr. t. 149. Tratt. 

 thes. t. 18. but not of Forsk. desc. p. 51. which does not belong 

 to the genus, but is probably an Apocyneous plant. Herm. 

 lugd. t. 53 Burm. afr. dec. 2. p. 30. t. 12. f. 2. Flowers 

 solitary, large, drooping. Corolla sulphur-coloured, variegated 

 with transverse wrinkles, and irregular brownish-purple spots : 

 having the orb in the bottom paler, Willd. Branches floriferous 

 at the base. 



Variegated- flowered Orbea. Fl. June, Sept. Clt. 1727. 

 Shrub 1 foot. 



6 O. CURTISII (Haw. syn. p. 40.) corolla sulphur-coloured ; 

 ligulae entire. 17 . S. Stapelia variegata, Curt. bot. mag. t. 

 26. exclusive of the synonymes. 



Curtis's Orbea. Fl. June, Sept. Clt. 1690. Shrub 1 ft. 



7 O. PLANIFLORA ; corolla glabrous, flat ; orb tumid ; leaflets 

 of outer corona obtuse, bidentate. Tj . S. Native of the Cape 

 of Good Hope. Stapelia planiflora, Jacq. stap. Poir. suppl. 

 5. p. 232. Lodd. bot. cab. 191. Branches procumbent, gla- 

 brous. Pedicels solitary or twin at the insertion of the branches. 

 Corolla pale sulphur-coloured, spotted with blackish purple. 

 This species is very like O. variegata, but differs in the corolla 

 being very flat. 



Far. J3, marginata (Poir. 1. c.) edges of corolla dark purple. 

 (7.8. 

 Flat-flowered Orbea. Fl. July, Nov. Clt. 1805. Sh. proc. 



8 O. WENDLANDIA'NA ; corolla glabrous : with acuminated, 

 reflexed segments; orb elevated, tumid; ligulae emarginate ; 

 branches decumbent, floriferous at the base ; pedicels solitary. 



1?. S. Native of the Cape of Good Hope. Staptilia rugosa, 

 Wendl. coll. 2. p. 41. t. 52. Stap. Wendlandiana, Roem. et 

 Schultes, syst. 6. p. 39. Teeth of branches long, subspinose. 

 Pedicels pale red. Corolla pale yellow outside, and yellow and 

 spotted with brown inside ; and the orb brownish, as well as the 

 ligulae ; inner corona pale yellow. 



Wendland's Orbea. Fl. June, Sept. Clt. 1818. Sh. dec. 



9 O. MARGIN A V TA ; corolla flat, glabrous ; ligulae bidentate, 

 obtuse ; orb tumid, bluntly 5-angled. ^ . S. Native of the 

 Cape of Good Hope. Stapelia marginata, Willd. enum. suppl. 

 p. 13. Corolla pale yellow, margined with red, and painted 

 with the same colour ; orb pale yellow ; ligulae yellow, dotted 

 at top, and furnished with 3 red spots at the base, the middle 

 yellow. 



Maro-ina/e-flowered Orbea. Fl. June, Sept. Clt. 1805. 

 Shrub dec. 



10 O. CONSPURCA'TA ; corolla glabrous, but ciliated with 

 minute clavate hairs ; orb tumid ; ligulae bifid. Ij . S. Na- 

 tive of the Cape of Good Hope. Stapelia conspurcata, Jacq. 

 stap. t. 47. Corolla dirty yellow, ornamented with viola- 

 ceous spots, as well as the orb ; ligulae yellow, painted with a 

 broad, dotted, violaceous line. Nearly allied to O. normalis, 

 but differs in the edges of the corolla being ciliated with minute, 

 clavate, white hairs. 



Defiled Orbea. Fl. June, Oct. Clt. 1795. Shrub dec. 



1 1 O. NORMA'LIS ; corolla flat, glabrous ; ligulae bifid, fur- 



nished with a blunt tooth between each ; orb rather tumid. 

 I? . S. Native of the Cape of Good Hope. Stapelia normalis, 

 Jacq. stap. t. 42. diar. lips. 1814. p. 268. Ker. bot. reg. 75^5. 

 Very like O. variegata, but differs in the dots on the corolla, 

 and ligulae disposed in regular parallel rows. 



Regular-spotted Orbea. Fl. July, Aug. Clt. 1821. Sh. 



12 O. CLYPEA'TA (Haw. suppl. pi. succ. p. 13.) corolla flat, 

 glabrous ; ligulae semibifid, acute, with a tooth between each ; 

 orb tumid. fj . S. Native of the Cape of Good Hope. Sta- 

 pelia clypeata, Jacq. diar. lips. 814. p. 269. stap. t. 48. Both 

 branches of the leaflets of inner corona capitate. Corolla yellow, 

 spotted with purple. 



Shielded-fiouered Orbea. Clt. 1812. Shrub J foot. 



13 O. ORBICULA'RIS (Haw. syn. p. 40.) corolla glabrous ; with 

 roundish, acuminated segments ; orb tumid ; ligulae short, obcor- 

 dately emarginate. ^ . S. Native of the Cape of Good Hope. 

 Stapelia orbicularis, Andr. bot. rep. t. 439. Branches tufted, 

 erect, curved at the base. Pedicels solitary. Corolla pale 

 yellow : having approximate, brownish lines on the segments ; 

 orb yellow, dotted with brown ; bottom deep brown. 



Orbicular-rmged. Orbea. Fl. July, Nov. Clt. 1799. Shrub 

 I foot. 



14 O. BUFONIA (Haw. syn. p. 40.) corolla flat, glabrous; 

 ligulae bifid, obtuse ; orb tumid, fj . S. Native of the Cape of 

 Good Hope. Stapelia bufonia, Jacq. t. 1. and 49. diar. lips. p. 

 269. Willd. enum. p. 283. Sims, bot. mag. 107<>. Branches 

 glaucescent. Pedicels solitary. Corolla pale and livid green 

 outside, with red nerves, and dirty brown inside, spotted with 

 purple, and striped with yellow. 



Toad Orbea. Fl. June, Sept. Clt. 1806. Shrub | foot. 



15 O. MARMORA'TA ; corolla flatj glabrous; ligulae bifid, 

 obtuse ; orb subtumid. fy . S. Native of the Cape of Good 

 Hope. Stapelia marmorata, Jacq. diar. lips. 1814. p. 269. 

 stap. t. 28. Very nearly allied to 0. bufonia. Corolla purple, 

 striped with yellow and white. 



3/arWed-flowered Orbea. Fl. June, Sept. Clt. 1820. Sh. 

 \ foot. 



16 O. RETU'SA (Haw. syn. p. 41,) corolla glabrous; with 

 deltoid segments, which are 5-nerved outside as in all the rest ; 

 ligulae long, lorate, retuse ; orb large. ^ S. Native of the 

 Cape of Good Hope. Stapelia retusa, Room, et Schultes, syst. 

 6. p. 41. Branches similar to those of 0. anguina, but thicker. 

 Pedicels long, from the base of the branches. Corolla yellow- 

 ish inside, spotted, and striped with dark brown, but more par- 

 ticularly towards the base ; but the orb is paler and less spotted. 

 Ligula green, with very minute rufous spots. Inner corona 

 beset with small, scattered, black tubercles, as in O. anguinea. 



Retuse Orbea. Fl. July, Aug. Clt. 1800. Shrub | ft. 



17 O. ANGUINEA (Haw. syn. p. 41.) corolla glabrous ; ligulae 

 semibipartite ; orb large. \i . S. Native of the Cape of Good 

 Hope. Stapelia anguina, Jacq. stap. t. 54. Lodd. bot. cab. 828. 

 Pedicels long, rising from the base of the branches. Corolla 

 yellow, marked with numerous rufous spots ; the orb is marked 

 with large spots of two forms, dark brown yellow on the sides 

 near the base. Gynostegium dotted with dark brown. 



Snake-specUeA Orbea. Fl. June, July. Clt. 1812. Sh. | ft. 



18 O. PICTA (Haw. syn. p. 42.) corolla semiquinquefid, gla- 

 brous, with ovate, acuminated segments ; ligulae bifid ; orb ele- 

 vated, depressed in the centre. ^ . S. Native of the Cape of 

 Good Hope. Stapelia picta, Donn. hort. cant. p. 53. Sims, 

 bot. mag. 1169. Allg. teutsch. gart. mag. 7. p. 413. t. 42. S. 

 variegata, Jacq. misc. 1. p. 27. t. 4. ? Branches simple, 4- 

 furrowed, torulose. Corolla yellow, variegated with dark pur- 

 ple. It differs from O. variegata in the corolla being rather 

 smaller, in the ring or orb being narrower, not dotted, but varie- 



