184 CL, AROIDEA (BROWN). [ Anubias- 
or a little longer, cylindric; female part about } in. long. Ovaries 
crowded ; stigma sessile. ° - 
Upper Guinea. Niger Territory: by a river on the north-west of Ikure 
(Ekure) between Old Calabar and Cross River, Holland, 167! Cameroons: Rio 
del Rey, Johnston ! 
3. A. heterophylla, Lngl. in DC. Monogr. Phan, ii. 435. Stem 
creeping and rooting, }—} in. thick. Leaves erect, quite glabrous; 
petiole 2-15 in. long, its sheath 1-5 in. long; blade 6-12 in. long, 
24-5 in. broad, oblong-ovate or more or less lanceolate, acute or acumi- 
nate at the apex, acute, rounded, subtruncate, or shortly cordate- 
hastate at the base; basal lobes short, obtusely rounded ; veins ' 
numerous, parallel, curved, ascending ; midrib and primary veins quite 
glabrous on both sides. Peduncle longer than the petioles, slender, 
glabrous. Spathe convolute at the base, slightly open at the apex, 
fleshy, 14-2 in. long, 4—} in. broad, oblong, rather abruptly subulate- 
pointed, glabrous, green. Spadix 11-2 in. long, slender, cylindric; 
female part }-} in. long. Ovaries crowded, angular from mutual 
pressure, green; style short ; stigma discoid. Anthers whitish.—Engl- 
Jahrb. xv. 463; Durand & Schinz, Consp. Fl. Afr. v. 476 ; Rendle 1n 
Cat. Afr. Pl. Welw. ii. 88. A. Afzelii, Engl. Aracez, t. 121, as to fig. 
of plant, not of analyses; Durand & Schinz, Consp. Fl. Afr. v. 476 
partly ; Rendle in Cat. Afr. Pl. Welw. ii. 89. 
Lower Guinea. Angola: Golungo Alto ; in woods at the fountain of Quibolo, 
1000-2400 ft., Welwitsch, 237! 2837/2! 2837/3! 238! Cazengo; in woods by 
streams in Muxaulo Mountains, 2000 ft., Welwitsch, 236 ! 
4. A. auriculata, Hngl. Jahrb. xxvi. 423. Rhizome creeping 
and rooting, 2-24 lin. thick. Leaves close together at the tips of the 
rhizome, but not crowded, erect; petiole 7—9 in. long, terete, glabrous 
below, pubescent on the apical part, abruptly dilated into a short broad 
clasping sheath at the base, which is continued up the petiole for about 
3 of its length in the form of a groove, which is very slightly or not at 
all winged at the sides; blade 6-9 in. long, 3-3} in. broad, broadly 
ovate-lanceolate, acute, very shortly-cordate-auriculate at the base; 
auricles 13-2 lin. long, rounded, overlapping; midrib and primary 
veins minutely puberulous beneath. Peduncle 5-6 in. long, minutely 
puberulous on the apical part. Spathe 14-1} in. long, oblong, sub- 
truncate at the apex. Spadix cylindric, shorter than the spathe ; 
female part about 3} lin. long. 
Upper Guinea. Cameroons: Bipinde, in the forest, Zenker, 1174! Batanga, 
_Dinklage, 986 (ex Engler). 
5. A. congensis, V. HE. Br. Rhizome creeping and: rooting, 
‘rather stout, 4-5 lin. thick. Leaves erect; petiole 43-10 in. long, 
with a distinct, narrow, persistent sheath 24-41 in. long, dilated and 
‘clasping at the base, minutely puberulous at the apex, glabrous below ; 
blade 6-8} in. long, 24-4 in. broad, oblong or oblong-lanceolate, acute, 
cuneately or broadly rounded or more or less cordate at the base, with 
broadly rounded basal lobes }—} in. long, not overlapping; midrib an 
