O90 ADDENDA. 



to C. Barteri and C visciflxia, but is easily recognised by the bold and elegant looser 

 nervation. 



8. Clitandra visciflua, K. Schum. Second or outer marginal 

 nerve sometimes indistinct or absent. Peduncle rarely minutely 

 pubescent. Ovary sometimes with a few hairs in the upper part ; 

 ovules 16-20 in 4 rows in each carpel (not 8 in 2 rows as stated oa 

 p. G7). Fruit ovoid, about 3 in. long, truncate at the top ; pericarp 

 smooth, crustaceous (when dry). Seeds numerous, irregularly ovoid or 

 ellipsoid, angular, 7-8 lin. long. 



Upper Guinea. Canieroons : Bipinde, Zenker, 2214 ! 2244a ! 



Xiower Guinea. Gaboon : Klaine, 1258 ! 3296 ! 



10. Clitandra cirrhosa, Radlk. Fruit subglobose, suddenly 

 contracted at the base, truncate at the top, coarsely and densely 

 verrucose, warts partly confluent, up to 2 in. across. Seeds ellip- 

 soid, 7-8 lin. 'long, G-7 lin. broad. — Bonnet in Bull. Mus. Hist. 

 Nat. Par. vii. (1001), 283; Chevalier in Bull Mus. Hist. Nat. Par. 

 vii. (1901), 420. 



Iiower Guinea. Add '. — Gaboon, Klaine, 3079 ! 



xrortb Central.. French Congo : everywhere along the Giibingui River, 

 Foureati. 



According to Foureau (ex Bonnet, I.e.), this yields gocd caoutchouc. 



10«. Clitandra lacourtiana, De IVilcL in Be Wild, d- Gentil, 

 Lian. Caoutch Congo^ 110, t. 24. A liane, up to 100 yards long, G in. 

 in diam. ; bark blackish-brown, shining with minute lenticels. Leaves 

 oblong or obovate, very shortly cuneate at the base, abruptly acuminate 

 (acumen linear, obtuse), 2^-4|- lin. long, 1 to almost 2 in. broad, midrib 

 broad, shallowly channelled above, prominent below ; lateral nerves 

 very numerous, subhorizontal, connected by a wavy submarginal nerve 

 close to the margin ; petiole slender. Flowers unknown. Fruit 

 globose or pyriform, smooth or subrugose, If -4 in. in diam. ; rind thick, 

 hard, yellowish; seeds grey in a whitish pulp, 3-70, about 11 lin. long, 

 6 lin. broad. 



South Central. Congo Free State : Kanda-Kanda, on the Luile River, 

 Oentil, 64. 



There is nothing in the description and plate to distinguish C. lacourtiana from 

 C. cirrhosa,\\a,(}ik\. The petioles are, in the description, said to be 5-10 lin. long, 

 but figured as 2|-5^ lin. long. C. lacourtiana is stated to yield little and worthless 

 rubber. 



12a. Clitandra Gentili, De Wild, in Belgique Colon, 1903, 137 

 and in Notes Apocyn. a Latex Congo, 25. A liane with axillary 

 tendrils; young branches glabrous, reddish-brown, shining, at length 

 grey with small pale lenticels. Leaves ovate or ovate-oblong, abruptly 

 and obtusely acuminate (acumen 3J-4 lin. long, 1 lin. broad) rounded 

 or obscurely cordate at the base, 2|-3J in. long, 2-2| in. broad ; 

 margins wavy ; midrib subconvex above, slightly prominent b-dow ; 



