362 LXXXV. ASCLEPIADEA (BROWN). [ Schizoglcssum, 
tubers. Stem about 1 ft. high, solitary, simple or with a branch in the 
upper part, slender, puberulous down one side at least in the upper 
part. Leaves in several pairs, ascending $-14 in. long, linear-filiform, 
thinly puberulous. Umbels 6-8 to a stem, sessile, 6—10-flowered ; 
pedicels 1-1} lin. iong, filiform, puberulous. Sepals ? lin. long, 1-4 
lin. broad, spreading, ovate-lanceolate, acuminate, puberulous. Corolla 
about 1? lin. in diam., lobed nearly to the base, rotate or rotate-cam- 
panulate, dark purple-brown, thinly pubescent outside, glabrous within ; 
lobes #—1 lin. long, } lin. broad, oblong, acute. Coronal-lobes arising 
at the base of the staminal-column and about as long as it, } lin. long 
and nearly as broad, subquadrate, 3-toothed at the apex ; lateral teeth 
(at the angles) minute; middle tooth 4-1 lin. long, subacute, inflexed 
over the backs of the anthers.—Hiern in Cat. Afr. Pl. Welw. i. 683. 
Lower Guinea. Angola: Huilla; scattered in rather dry, sandy, busby 
places near Huilla, Welwitsch, 4177! 
This has the habit of S. masaicum, N. E. Br., but is dwarfer and more slender. 
14. S. viridulum, K. Schum. in Engl. Jahrb. xxviii. 455. Stems 
12-15 in. high, erect, straight, at first simple then branching from one 
axil of the leaf-pairs, subtomentose. Leaves shortly petiolate, #-2 in. 
long, 2-34 lin. broad, linear-lanceolate, obtuse, retuse or very shortly 
apiculate, somewhat narrowed towards the base, somewhat crisped on 
the margin, subcoriaceous, glabrous on both sides; petiole 1-1} lin. 
long, slightly pilose on the margins. Umbels sessile, with the flowers 
somewhat congested ; pedicels 4—5 lin. long, puberulous. Sepals 2 lin. 
long, linear-subulate, glabrous. Corolla 5-lobed nearly to the base, 
green, glabrous ; lobes about 2 lin. long, somewhat obliquely oblong. 
Coronal-lobes 1 lin. long, about as long as the staminal-column, fleshy, 
linear, triangularly enlarged at the apex, scarcely appendiculate below. 
Anther-appendages cordate, obtuse. 
Mozamb. Dist. German East Africa: Ukami; South Uluguru, on the water- 
shed between the Mgeta and Mbakana Rivers, Goetze, 336. 
Said to be near 8. tridentatum, K. Schum., a name I am unable to find 
published, probably 8. tridentatum, Schlechter, was intended. 
_ 15.8. barbatum, Britten <& Rendle in Trans. Linn. Soc. ser. 2, Bot. 
lv. 27, Stems several from a root, 6—12 in. high, minutely pubescent. 
Leaves in about 4—5 pairs to a stem, 1-2} in. long, 3-2 lin. broad, 
erect, sessile, linear, acute or subacute, more or less narrowed at the 
base, glabrous, with the revolute margins and the midrib puberulous 
or minutely scaberulous beneath. Umbels 2-6 to a stem, terminal 
and lateral at the upper nodes, occasionally in pairs, sessile or pedun- 
culate, 4-10-flowered; peduncles 0-34 lin. long, slender, minutely 
pubescent ; bracts }~1 lin. long, filiform ; pedicels 2-3 lin. long, minutely 
pubescent. Sepals 14 lin. long, lanceolate, acuminate, minutely pubes- 
cent. Corolla 5-lobed nearly to the base, rotate or more or less reflexed ; 
lobes 13-2 lin. long, 1 lin. broad, ovate-oblong, subobtuse, one 
glabrous on the back, puberulous on the face, purple-brown. ree ee : 
lobes very variable, each consisting of a flattened subquadrate body 
