892 ASCLEPIADEA (Brown). | Trichocaulon. 
oblong, obtuse, incumbent on the backs of the anthers and not pro- 
duced beyond them, dorsally adnate at the base to the outer corona. 
WestTERN Recon ; Little Namaqualand ; in stony fields near Namies, 3000 ft., 
Alston in MacOwan, Herb, Austr.-Afr., 2017! and without precise locality, 
Wyley, 79! 
5. T. Pillansii (N. E. Br. in Gard. Chron. 1904, xxxv. 242); 
plant similar to 7. piliferum ; stems 4-10 in, high, 1}-2} in. thick, 
with 25-30 series of tubercles ending in stiff pale brown (turning to 
grey) bristles 14-2} lin. long, “dull green, hardly glaucous on the 
young growth, flowering nearly all over” (Pillans) ; flowers 1-3 in 
a fascicle ; pedicels 4—? lin. long, } lin. thick, glabrous; sepals 
1-14 lin. long, ovate, very acuminate, glabrous ; corolla 4} lin. in 
diam., bright canary-yellow, pinkish-green outside (Pillans), glabrous 
and smooth outside and within the tube, densely papillate and 
thinly and very minutely puberulous (always ?) on the inner face of 
the lobes, not ciliate; tube distinctly cup-shaped, or campanulate, 
1-1} lin. long, 14 lin. in diam. at the mouth inside ; lobes spreading, 
14-1} lin. long, 14-1} lin. broad, broadly deltoid-ovate, very acute ; 
outer corona shortly cupular at the base, equally 10-toothed, light 
yellow ; teeth 11 lin. long, deltoid, acute or obtuse, ascending- 
spreading, quite straight and equidistant, not approaching each 
other in pairs ; inner corona-lobes } lin. long, linear-oblong, obtuse, 
about half as long as the anthers and closely incumbent upon their 
backs, dorsally connected to the outer corona, light yellow ; follicles 
only developed upon the young growth (Pillans), erect, subparallel, 
34 in. long and 34-4 lin. thick in the specimen seen, fusiform, 
tapering into a beak, incurved-hooked at the apex, smooth, glabrous ; 
seeds about 2 lin. long, scarcely 1 lin. broad, ovate or oblong-ovate, 
with thick margins, often incurved on one side, smooth, glabrous, 
light. brown, with paler margins. 
Var. major (N. E. Br. in Gard. Chron. 1904, xxxv. 242) ; stems 9-13 in. high, 
14-3 in. thick, with about 30 series of tubercles, tipped with brown bristles 
4-} in. long (Pillans) ; corolla-tube 1} lin. long, about 2 lin. in diam. at the 
mouth inside ; lobes 2-25 lin. long and about as broad ; teeth of the outer corona 
about 4 lin. long, in slightly diverging pairs ; otherwise as in the type. 
CenTRAL Recron ; Laingsburg Div. ; 6-8 miles west of Laingsburg, at Zout 
Kloof Farm, Pillans, 9! Var. 8: Laingsburg Div. ; western side of a hill south- 
east of Zout Kloof Farm, Pillans, 160! 
6. T. grande (N. E. Br.) ; plant 14-2 ft. high, branching at about 
4 in. above the ground; stems about 2 in. thick, with 30 or more 
vertical series of tubercles, each tipped with a very stiff pale brown 
(when young dull purplish) bristle or slender spine 24-3 lin. long, 
glabrous, glaucous-green ; flowers 1-3 together, developing suc- 
cessively ; pedicels 3-1 lin. long, glabrous; sepals }—1 lin. long, 
ovate-lanceolate, very acuminate, glabrous ; corolla 7—8 lin. in diam., 
glabrous and smooth outside and within the tube, densely papillate 
on the disk and lobes of the inner face, not ciliate, greenish-yellow ; _ ia 
dei 
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