596 ADDENDA. 
to C. Barteri and C. visciflua, 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 on 
p- 67). 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. Cameroons: Bipinde, Zenker, 2244! 2244a! 
Lower 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, 6-7 lin. broad.—Bonnet in Bull. Mus. Hist. 
Nat. Par. vii. (1901), 283; Chevalier in Bull. Mus. Hist. Nat. Par. 
vii. (1901), 426. 
Lower Guinea. Add ‘—Gaboon, Klaine, 3079! 
Worth Central.. French Congo: everywhere along the Gribingui River, 
Foureau,. 
According to Foureau (ex Bonnet, l.c.), this yields good caoutchoue. 
10a. Clitandra lacourtiana, De Wild. in De Wild. & Gentil, 
Lian. Caoutch Congo, 110, t. 24. A liane, up to 100 yards long, 6 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), 24-41 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, 12—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, 
Gentil, 64. 
There is nothing in the description and plate to distinguish C. lacourtiana from 
C. cirrhosa, Radkl. The petioles are, in the description, said to be 5-10 lin. long, 
ss cba as 2}-53 lin. long. C. lacourtiana is stated to yield little and worthless 
rubber, 
12a. Clitandra Gentili, De Wild. in Belgique Colon. 1903, 187 
and in Notes Apocyn. & 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 34-4 lin. long, 1 lin. broad) rounded 
or obscurely cordate at the base, 23-3} in. long, 2-2} in. broad ; 
margins wavy; midrib subconvex above, slightly prominent bvlow; 
