Cynanchum.] lxxxv. asclepiade.e (brown). 805 



cordate at the base, sometimes with a shallow open sinus, sometimes 

 with a narrow and deeper sinus, 5-nerved. Umbels or umbel-like 

 racemes sometimes gessile and pedunculate on the same stem, 10 i^O- 

 flowered ; peduncles U-3 lin. long; pedicels :^-3 lin. long, slender. 

 Sepals J lin. long, ovate-oblong, obtuse, minutely ciliolate. Corolla 

 white, 5-lobed nearly to the base, probably rotate ; lobes U lin. long, 

 lanceolate, acute. Corona-tube §-1 lin. long, 10-toothed, with ;') of the 

 teeth longer than the rest and channelled down the face, \-}, lin. 

 long, acute or denticulate at the apex, the shorter teeth more or less 

 recurving, or with all the teeth subequal. Staminal-colunin variable ; 

 anther-appendages long, erect, narrowly lanceolate, sometimes rejicliing 

 to the tips of the coronal teeth, sometimes much shorter than them 

 and connivent around the shorter terete or conical-terete or bifid apical 

 part of the style. — Vincetoxicum Adaliiuv, K. Schum. in En^jl. Jahrb. 

 xvii. 134. 



Upper Guinea. Camoroons: Ambas B^y, Mann, 765 ! Victorisi, Knlhrcyer^ 

 3 ! Batanga, Bates, 186 ! Bipinde, Zenker, 2338 T Efulen, Bates, 210 ! Yuuiidi', 

 Zenker Sf Staiidt, 426 ! Fernando Po, Mann ! 



Kower Guinea. Gaboon : near- Adalina, on the River Ogowe, Soiiaux, 277 I 

 This plant, seems to be very variable in the toothing cf the corona and in tlie 

 relative height which the stanuMJil-column atta'n^. 



7. C. fraternum, X. E. Br. in Kew Bulletin, IHU.J, 25r>. Stem 

 slender, twining, pubescent on the young parts, becoming glabrous. 

 Leaves herbaceous, thin ; petiole 2-\^ lin. long ; blade |-2 in. long, 

 J-1 in. broad, oblong-ovate, acuminate, broadly rounded, subtruncate 

 or cordate at the base, with a few minute scattered hairs above, gla- 

 brous beneath. Racemes or corymbs short, somewhat umbel-like, lateral at 

 the nodes, many-flowered ; peduncle 1—4 lin. long, puberulous ; pedicels 

 H-4 lin. long, puberulous. Sepals h lin. long, broadly ovate, subacute, 

 sparsely pubescent. Corolla rotate, 2 J lin. in diam. ; lobes about 1 lin. 

 long, oblong, obtuse, glabrous. Corona \\ lin. long, 10-toothed, with 

 5 long linear-subulate teeth alternating with 5 short t^eth \-\ as long ; 

 tubular part rather more than h Hn. long. Staminal-column shorter 

 than the coronal-tube ; anther-appendages suborbicular or subquadnite, 

 more or less toothed at the subtruncate apex, closely in flexed over the 

 truncate apex of the style, which is not produced beyond them. 



Nile Iiand. Abyssinia; near Jelajeraiine, ^c/nw/)?r, 1802 I Tigrc or Hegc- 

 meder, Schimper ! 



Nearly allied to C. altiseandens, K. Schnni., and C. schist o<] I os sum, Schlcihttr; 

 fiom the former it may be at once distinguished by the long subulate cnronnl-tot>th 

 and broad anther-appendages; from the latt3r by the largxr t1o\\e:s and mtuli 

 longer corona. 



8. C. schistoglossum, SchlecJder in Journ. Hot. 1-^I>.'), 271. 

 Stem twining, pubescent, becoming glabrous. Leaves thin, spreading ; 

 petiole \-\\ in. long, slender, minutely pubescent down the face; blade 

 1-3J in. long, J-1 1 in. broad, elongate-oblong or oblong-ovate, acumi- 

 nate or acute, varying from deeply cordate to snbtrunc:ite at the base, 



