238 LXXX. ASCLEPIADEA. 
28. EUSTEGIA, R. Br. 
Calyx 5-parted. Corolla rotate, 5-fid. Corona triple, each 
of 5 folioles, the outermost inserted in the throat of corolla, 
opposite the segments, the others alternating with the outer ; 
the folioles of the medial corona 3-parted,of the inner undi- 
vided. Anthers membrane-tipped. Pollinia taper-pointed, pen- 
dulous. Stigma nearly pointless —DC. Prod. vii. p. 545. 
Smal], decumbent, branching herbs, with narrow, hastate leaves and sub- 
umbellate, small flowers.—4? species, Western. 
29. FOCKEA, Endl. 
Calyx 5-parted; sepals keeled. Corolla campanulate, 5-fid, 
the segments linear-lanceolate, attenuate, spreading or reflexed, 
papillose within. Corona campanulate, tubular, triple, the 
folioles concrete at base ; outer with the mouth 15-lobed, lobes 
unequal, short, 5 smaller; medial longer, of 5 concave, 3-lobed 
segments, the middle lobe subulate; imner of 5 subulate- 
acuminate, entire segments, opposite those of the medial 
corona. Anthers tipped with an oblong, very delicately 
membranous bag! Pollinia ( fide Endl.) “ ovoid, affixed to the 
tapering apex, pendulous.” Gynostege sessile. Stigma sub- 
umbonate. Follicles smooth, rostrate, by abortion solitary.— 
DC. Prod. vii. p. 545. Chymocormus, Harv. in Hook. Lond. 
Journ. 1. p. 23. 
Climbing or trailing herbs, with large, tuberous, succulent roots. Leaves 
opposite, coriaceous. Flowers small, greenish, subsessile, in extra-axillary 
tufts or solitary. The flowers seem to be sometimes polygamous; I have 
repeatedly sought in my specimens for pollinia, but never found any.—3 
species. 
TrIBE 4. STAPELIER. (Gen. 30-48.) 
30. TENARIS, E. Mey. 
Calyx small, 5-parted. Corolla subrotate, 5-parted, the 
segments narrow-spathulate, papillose below. Corona in- 
serted at the apex of the gynostege; of 5 short, cucullate, 
sharply emarginate folioles, alternating with the stamens, fur- 
nished at the base within with two tooth-like processes ; and 
5 internal, subulate teeth, opposite the stamens. Anthers 
small, without membranous tip, fleshy. Pollinia erect, round- 
ish. Stigma 5-angled, flattish. TF ollicles in pairs, slender, 
smooth, erect, on a straight peduncle.-—DC. Prod. yuu. p. 606 ; 
Thes. Cap. t. 48. 
A slender, erect herb with very narrow leaves and pretty, purplish 
flowers.—Frequent on the Eastern frontier. 
31. TYLOPHORA, R. Br. 
Calyx 5-fid; sepals ovate or ovate-lanceolate. Corolla ro- 
