612 ADDENDA. 
an attenuated base, obtuse, 11 in. long, ? in. in diam. Seed-plumes 
slightly greyish, about 13 in. long. 
Upper Guinea. (Add)—Cameroons : Bipinde, Zenker, 2424! 2607a! 2538! 
2208! distributed as O. nitida, Benth. 
2. Oncinotis nitida, Benth. 
Upper Guinea. (Add)—Togo: near Lome, Warnecke, 45a! 
6a. Oncinotis thyrsiflora, K. Schum. MS. Young branches 
finely rusty-pubescent, compressed at the tips, soon terete. Leaves 
oblong to lanceolate-oblong, attenuated into a long acute acumen (up to 
almost 1 in. long), shortly acute or obtuse at the base, 24—5 in. long, 1 
to almost 2 in, broad, thinly papery, very sparingly and minutely 
pubescent below on the nerves or quite glabrous ; secondary nerves 
5-6 oneach side, but particularly below ; reticulation very loose ; petiole 
pubescent, slender, 2-3 lin. long. Panicle subterminal, ovoid, about 
1 in. long (without the peduncle), rusty-pubescent ; peduncle slender, 
much compressed, about 1 in. long ; bracts minute; pedicels 1 lin. long. 
Calyx 3 lin. long; sepals broad ovate, subobtuse, thin, delicately and 
sparingly pubescent, eglandular. Corolla-tube slightly wider above the 
middle, i} lin. long, finely tomentose outside ; throat-scales rotundate- 
ovate, } lin. long; lobes oblong, obtuse, slightly longer than the tube. 
Anthers 1} lin. long. Carpels delicately velvety. 
Upper Guinea. Cameroons: Bipinde, Zenker, 2588 ! 
Allied to O. gracilis, but the indumentum is much more delicate and scanty, 
the neryation bolder, the acumen longer, the petiole shorter, sepals and corolla-lobes 
and throat-scales broader. 
7. Oncinotis gracilis, Stapf. 
Upper Guinea. (Add)—Gold Ceast : Acropong, Johnson, 902! 
Oncinotis chlorogena, K. Schum., which is fully described by K. Schumann 1 
Engl. Jahrb. xxxiii. 3820, appears from the description to be identical with 0. 
gracilis. 
8. Oncinotis hirta, Oliv. Add: De Wild. Notes Apocyn. 
Laticif. Congo, 7. 
Lower Guinea. (Add)—Lower Congo : Kisantu, Gillet. 
: Gillet states that the latex of this species yields caoutchouc if treated with the 
acid juice of an Amomum called “‘ Minkenie” by the natives. 
10. Oncinotis subsessilis, K. Schum. in Hngl. Jahrb, xxi). 
321. <A climbing shrub; branches very slender, terete, or compressed 
when young, rusty-tomentose, tardily glabrescent. Leaves linear 
oblong, shortly and acutely acuminate, rounded or subcordate at the 
base, 13 to almost 4 in. long, 4 to over 1 in. broad, glabrous above, 
puberulous below, particularly on the nerves; secondary nerves 5-6, 
like the veins prominent below. Panicles trichotomous, dark rusty” 
tomentose all over, shortly peduncled, bracteate; bracts oblong- 
