162 CL. AROIDEH (BROWN). [ Anchomanes. 
sessile, 4-celled ; connective thick, truncate; cells confluent in pairs at 
the apex, opening by terminal pores. Berry ovoid, 1-seeded. Ripe 
seeds not seen.—Tuberous-rooted herbs, producing flowers and leaves. 
at the same or different times. Leaf solitary; petiole tall, prickly, 
3-branched at the top; branches dichotomously divided, pinnatipartite ; 
lateral leaf-segments lanceolate, ovate, or elliptic, acute, acuminate or 
cuspidate ; terminal segments cuneate-oblong, bicuspidate at the apex. 
Peduncle solitary, tall, prickly (smooth in 5. A. Boehnaiz). 
An endemic genus of 4 species. The leaf of A. Boehmii is unknown, and this 
species may prove not to belong to the genus Anchomanes. 
Peduncle prickly ; spathe 5 in, to 3 ft. long. 
Ovary and style tubercled. 
Spathe about 3 ft. long C : : : . IL. A. giganteus. 
Spathe 5-9 in. long. : ° . . . 2. A. Hookeri. 
Ovary (and style when present) smooth. 
Style 3-1 lin. long 8. A. dubius. 
Style O ; stigma sessile 3 4. A, Welwitschir.. 
Peduncle smooth ; spathe 1-1} in. long 5. A. Boehmit. 
1. A. giganteus, ZHngl. Jahrb. xxvi. 419. Tuber very large. 
Leaf present at the time of flowering, about 3} ft. diam. ; petiole 
attaining a height of 8 ft., prickly ; the 3 primary divisions of the leaf 
2-3-pinnatisect, lowest segments subtripartite, following segments pin- 
natisect, with 2-3 pairs of leaflets, ultimate segments much larger and 
bipinnatisect ; lowest of the tertiary segments ovate-lanceolate, sub- 
acute; middle pinnatipartite, with about 2 pairs of leaflets ; ultimate 
pinnatipartite, with about 3 pairs of leaflets. Leaflets obliquely oblong- 
lanceolate, decurrent on the rhachis. Peduncle 5—5} ft. long, prickly. 
Spathe 3 ft. long, elongated-lanceolate, scarcely acuminate. Spadix 
sessile; female part 3-4 in. long; male part 6-8 in. long, #-1} in- 
thick. Ovary shortly ovoid ; style tuberculate.—De Wild. & Durand, 
Contrib. Fl. Congo, i. fase. 2, 64. 
South Central. Congo Free State: Umanghi Island in the Congo, Laurent. 
I have not seen this species. 
2. A. Hookeri, Schott in Ocsterr. Bot. Wochenbl. 1853, 314. Leaf 
solitary, 24-54 ft. diam., armed with scattered prickles on the petiole 
and its divisions ; petiole terete, 3-6 ft. high, variegated with purplish 
and green; three primary divisions pinnatisect at the base, once oF 
twice dichotomously divided above; terminal segments 6-9 in. long; 
3-4} in. broad, bicuspidate. Peduncle 1}-3 ft. high, terete, prickly, 
coloured like the petiole. Spathe 5-9 in. long, 13—2 in. broad, oblong 
(boat-shaped), acute, shortly convolute at the base, purple inside and 
out, or the inside greenish suffused with purple. Spadix 13-5} in- 
long, 4—6 lin. thick, cylindric, tapering towards the obtuse apex ; female 
part 3-14 in. long, purple. Ovary ovoid, tubercled; style about 1 lin. 
long, deflexed, tuberculate. Anthers cream-coloured.—Schott, Gen- 
Aroid. t. 34, Synop. Aroid. 71, and Prod. Aroid. 134. A. Hookert, 
var. pallida, Hook. Bot. Mag. t. 5394. A. difformis, Engl. in DC- 
Monogr. Phan. ii. 304, in Mitth. Deutsch. Schutzgeb. 1889, ii. 149, 1D 
