Cynanchum. | ASCLEPIADE& (Brown). 745 
pedicels }—} lin. long, puberulous ; sepals } lin. long, 4-1 lin. broad, 
ovate, obtuse or subacute, puberulous; corolla lobed to 3 of the 
way down, glabrous outside and within ; lobes erect or campanu- 
lately spreading, } lin. long, } lin. broad, oblong, obtuse ; corona 
+ lin. long, tubular-ovoid, 5-lobed, with subtruncate interspaces, no 
teeth or appendages within ; lobes oblong, obtuse, revolute at the 
tips ; staminal column } lin. long, not stipitate ; anther-appendages 
lanceolate, acute, connivent above the very obtuse style-apex. 
Schlechter in Engl. Jahrb. xxi. Beibl. 54, 11, and Journ. Bot. 1896, 456. 
Sarcostemma ovatum, E. Meyer, Comm. 221; Harv. Gen. S. A Te dey 
ed. i, 224; Dietr. Syn. Pl. ii. 907. Cynoctonum Meyeri, Decne in DC. 
Prodr. viii. 531. Vincetoaicum Meyeri, Benth. & Hook f. ex Ind. 
Kew, ii. 1204; Kuntze, Rev. Gen. Pl. ii. 424. 
WesTERN RegIon : Little Namaqualand ; hills near Arris, towards the mouth 
of the Orange River, Drége, 3048 ! 
2. C. mucronatum (N. E. Br.); “stem shrubby, terete, with 
spreading branches; leaves opposite, petiolate, subcordate-oblong, 
mucronate, glaucous, entire, l-nerved, veiny, glabrous, about the 
size of a finger-nail ; peduncles axillary, umbellate, about 6-flowered, 
shorter than the petioles ; outer corolla brownish-red, rotate ; inner 
corolla (corona) whitish, urceolate, 5-fid, the teeth alternating with 
the pollen-masses ; pollen-masses pendulous, yellowish-white, oblong, 
united to a fulvous nodule concealed under folds of the column ; 
genital column with acute erect membranes (anther-appendages) at 
the apex.” Metaplexis mucronata, Spreng. Neue Entdeck. Pf. i. 269, 
and Syst. Veg. i. 854; Schultes, Syst. Veg. vi. 112; G. Don, Gen. 
Syst. iv..155; Harv. Gen. South Afr. Pl. ed. i. 227 ; Dietr. Syn. Pl. 
li. 908, excluding synonym Aselepias mucronata, Thunb., from all. 
Sourn Arrica: without locality, ex Sprengel. 
This plant must be closely allied to C. Meyeri, and may perhaps be that species, 
but differs according to the description in having spreading (not recurved) 
branches, and veiny glabrous glaucous leaves. 
3. C. orangeanum (N. E. Br.); rootstock woody ; plant herba- 
ceous, much branched at the base, 24-5 (6-8 ex Schlechter) in. high ; 
branches erect or ascending, varying from glabrous to minutely 
puberulous all over or at the tips only, leafy ; leaves 3-1} in. long, 
3-% lin. broad, linear or linear-filiform, acute or obtuse, with 
thickened or perhaps revolute margins, glabrous ; umbels sessile or 
pedunculate, lateral at the nodes, 2—4-flowered ; peduncle 0-23 lin. 
long ; bracts minute ; pedicels 1-3 lin. long, glabrous or minutely 
puberulous ; sepals 3—} lin. long, ovate, acute, puberulous ; corolla- 
lobes 14-1} lin. long, 7-1 lin. broad, suberect, ovate-lanceolate, 
obtusely pointed and often minutely notched at the apex, glabrous 
on both sides or with a few minute hairs on the back, apparently 
greenish on the inner face; corona arising at the base of the 
Staminal column, 14-1} lin. long, tubular-campanulate, subequally 
10-lobed to nearly or quite half-way down, white ; tube plicate, so 
