Cercestis. | CL, AROIDEX (BROWN). 181 
Upper Guinea. Sierra Leone: Bagru River, Mann, 906! near Leicester, | 
Barter ! banks of a stream near Wilberforce, 400 ft., Johnston, 105! at Luseniya, 
Scott-Elliot, 4078! North-east from Sierra Leone, Garrett, 2! Sherboro Island, 
Garrett in herb. Scott-Elliot, 5792! Bendembu, Scott-Elliot, 5683! and without 
precise locality, Afzelius! French Guinea: Sangara District; in wet places in 
woods by the River Niger, at Farana, Scott-Elliot, 5319! Ashanti: Assin-Yan- 
Coomassie, Cummins, 178! Gold Coast : Kibbi Hills, at Akim, Johnson, 258! 
2. C. congensis, Hngl. in Engl. Jahrb. xv. 448. Stem climbing 
or creeping, rooting, 14-2 lin. thick, minutely tubercled. Leaves 
petiolate, glabrous ; petiole 4—6 in. (8-12 in., Engler) long, very shortly 
sheathing at the base, slender; blade 5-7 in. long, 34-6} in. broad 
across the basal lobes, hastate or sagittate; front lobe deltoid-ovate, 
acute or acuminate, 2}~34 in. broad; basal lobes 2—3 in. long, 1-1} in. 
broad, more or less spreading, somewhat obliquely ovate, very obtuse, 
the inner margin more or less abruptly dilated a little above the base ; 
basal nerves denuded for 3-5 lin. in the broadly rounded open sinus. 
Peduncle solitary, terminal, 1-2} in. long, 1 lin. thick, glabrous. 
Spathe (unexparded) about 1} in. long, glabrous. Spadix similar to 
that of C. Afzelii, but more slender.—(. congoensis, Durand & Schinz, 
Consp. Fl. Afr. v. 475, and Etudes Fl. Congo, i. 276; De Wild. & 
Durand, Contrib. FI. Congo, 1. fase. 2, 65. 
Lower Guinea. Lower Congo, Smith! Stanley Pool, Demeuse, 65 (ex 
Engler). Princes Island in the Lower Congo, Laurent (ex Durand & Schinz). 
_ 8. ©. stigmaticus, V. #. Br. Stem slender, glabrous, rooting as 
it climbs. Leaves glabrous; petiole 14—6 in. long, slender, terete, 
channelled down the face, with a very broad sheath 2-3 lin. long ; 
blade 44-9 in. long, 13—4 in. broad, elliptic-oblong, acuminate, hastate- 
Sagittate at the base, contracted just above the diverging falcate-oblong 
obtuse basal lobes, which are 1}—2} in. long and 4-1 in. broad. 
Peduncle 13-21 in. long, glabrous. Spathe 13-2} in. long, oblong, con- 
volute at the base ; limb boat-shaped, obtuse, glabrous, green. Spadix 
13-2 in. long, cylindric; female part about } in. long. Ovary sub- 
cylindric or shortly and broadly conical, 1-celled; stigma peltate, very 
large, umbrella-shaped, completely hiding the ovary from above. 
Upper Guinea. Fernando Po, 1300 ft:, Mann, 324! 
4. C. Dinklagei, Engl. in Engl. Jahrb. xxvi. 422. Stem 
slender, climbing by its roots, about 1 lin. thick. Leaves petiolate, 
glabrous; petiole 4-8 in. long; blade 6-10 in. long, elongated-sagit- 
