550 ASCLEPIADEZ (Brown). [ Mtcroloma. 
Hairy tufts inside the corolla placed at about 
the middle of the tube ie pat rs 
Corolla-lobes laterally compressed, narrowly lan- 
ceolate or deltoid-lanceolate, acute, more or less 
gibbous behind at the base : 
Sepals about as long as or longer than the 
entire corolla : 
Leaves obtusely subhastate at the sub- 
truncate base ; corolla with broad 
semicircular gibbosities upon the backs 
of the lobes, very abruptly contracted 
into their apiculus-like tips ... an 
Leaves narrowed or rounded into the 
petiole; corolla with slight gibbosities 
at the very base of the lobes, gradually 
tapering into their tips ae aes 
Sepals shorter than the fully-developed 
coolla; leaves linear-sagittate or linear- 
hastate, with rounded basal auricles : 
Pubescence very minute or none ; sepals 
from 3 as long to as long as the 
corolla-tube ...  ... vi ... (5) glabratam. 
Pubescence distinct ; sepals }-3 as long 
as the corolla-tube in Bal 
** Plants not twining (or but slightly so in M. 
incanum); apparently much-branched shrubs or 
shrublets; branchlets minutely puberulous or 
densely and minutely white-tomentose : 
Corolla-tube 4 in. long: 
Branchlets erect or ascending-spreading ; 
corolla-lobes 1$ lin. long ... _ Sie 
Branchlets recurved-divaricate ; _corolla- 
lobes $ lin. long... is ug ... (8) loogituba. © 
Corolla-tube 1-13 lin. long : 
Corolla shortly conical-acute at the apex, 
with connivent-erect lobes ... 463 ths 
Corolla truncate at the apex, with abruptly- 
inflexed gibbous-based lobes “a vis 410) Massonii, 
(2) namaquense. 
(3) gibbosum. 
(4) calycinum. 
(6) sagit.atum. 
(7) incanum. 
(9) Burchellii. 
1. M. tenuifolium (K. Schum. in Engl. & Prantl, Pflanzenfam. 
iv. ii. 222); rootstock a cluster of stout fleshy roots; stem slender, 
twining, branching, subherbaceous, 3—% lin, thick, glabrous ; leaves 
spreading or reflexed, glabrous ; petiole about 1 lin. long ; blade 
1-28 in, long, 3-2 lin. broad, linear, with strongly revolute margins, 
rarely flat, and then about 11 lin, broad, acute, narrowed into the 
short petiole at the base, very rarely auricled; cymes subaxillary, 
3-7-flowered ; peduncle 2-8 lin. long, glabrous or slightly pubescent ; 
bracts 13-2 lin. long, lanceolate, acute, pubescent ; pedicels 2-3} 
lin. long, thinly covered with a somewhat adpressed pubescence ; 
sepals 21 lin. long, }—2 lin. broad, linear-lanceolate or oblong-lanceo- 
late, acute, thinly pubescent or nearly glabrous; corolla urceolate, 
somewhat fleshy, glabrous outside, bright carmine-red; tube 2} lin. 
long, inflated at the base, contracted at the mouth, 5-angled, with 
5 contiguous elongated tufts of deflexed fulvous hairs just below the 
mouth inside ; lobes 1 lin. long and broad, orbicular-cordate, very 
obtuse, hairy at the base of the inner half, much overlapping and 
