~ 
ADDENDA. 617 
densely covered with long spreading intermingled hair-like pubescent 
processes, greenish-yellow. : 
Nile Land. British East Africa: Kiu, Kaessner, 664! 
Allied to A. pubiseta, N. E. Br., but differing in its broader leaves, coronal- 
lobes, and the much more slender tortuous (not straight) processes on the fruit. 
_ 19. Asclepias rostrata, V. #. Br. Add: A. fruticosa, Schlechter 
in Baum, Kunene-Samb. Exped. 342, not of Linn. 
23a. Asclepias Buchwaldii, V. #.Br. Stem about 16 in. high, 
slender, } lin. thick at the base, minutely puberulous above, scaberu- 
lous at the base. Leaves subsessile, 2-24 in. long, 44-7 lin. broad, 
linear-lanceolate, acute, rounded at the base, glabrous on both sides, 
scabrous along the revolute margin. Raceme decussate, terminal, lax. 
Pedicels 44-9 lin. long, minutely puberulous. Sepals 2 lin. long, 
oblong-triangular, minutely puberulous. Corolla 3 lin. long, very 
deeply divided. Coronal-lobes 3 lin. long, arising about 1 lin. above 
the base of the 2 lin. long staminal-column, lanceolate, obtuse, concave 
on the inner face.—Gomphocarpus Buchwaldii, Schlechter & K. Schum. 
in Engl. Jahrb. xxxiii. 324. 
: Mozamb. Dist. German East Africa: Usambara; near Mombo, Buchwald, 
75. 
43a. Asclepias Baumii, Schlechter in Baum, Kumene-Samb. 
Lped. 341. Stem about 10 in. high, simple, slender, puberulous along 
2 lines. ‘Leaves 2-3 in. long, erect or erectly-spreading, very narrowly 
linear, acute, narrowed at the base into a very short petiole, glabrous. 
Umbels few-flowered. Peduncles long, slender, erect, slightly 
puberulous. Pedicels 44~7 lin. long, slightly puberulous. Sepals 2 lin. 
long, lanceolate, acute, puberulous. Corolla slightly reflexed, 54 lin, in 
diam., rosy ; lobes 24 lin. long, nearly 1} lin. broad, oblong, obtuse, 
sparsely puberulous on the back towards the apex, glabrous on the 
inner face. Coronal-lobes conspicuously longer than the staminal- 
column, 24 lin. long, erectly-spreading, in dorsal view ligulate, thickened, 
obtuse, marked with a dark longitudinal stripe, the lower part on each 
side with an oblique triangular incurved tooth. Anther-appendages 
rounded, very obtuse, incurved on the style-apex. 
Lower Guinea. Angola: Amboella ; by the River Longa, Baum, 699a. 
46a. Asclepias stolzianus, V. Z. Br. Stem up to 16 in. high, 
simple, slender, puberulous along 1 line. Leaves sessile, 2 in. long, 14 
lin. broad, linear, acuminate, cuneate at the base, with recurved 
margins, glabrous. Umbels terminal, solitary, or 2 toa stem, peduncu- 
late, about 8-flowered. Peduncle 14 in. long. Pedicels } in. long, 
minutely tomentose. Sepals 13-14 lin. long, subulate. Corolla 44 lin. 
long, greenish-white, puberulous outside; lobes oblong-lanceolate. 
Coronal-lobes arising above the base of the staminal-column, 1} lin. 
long, truncate, with a rather large linear tooth in front (at the apex of 
the inflexed sides?), and a small triangular apical tooth, no tooth 
