190 CL, AROIDEE (BROWN). | Stylochiton. 
slightly obtuse at the base. Peduncle 14-14 in. long, slender. Spathe- 
tube 1 in. long, } in. diam., cylindric, yellowish-white ; limb about 
2 in. long, ? in. broad, lanceolate, dull violet. Spadix sessile. Female 
flowers 2-3, in one cycle. Perianth shortly cup-shaped, 14 lin. broad. 
Ovary 1 lin. high, depressed globose ; stigma thick, discoid, 1} lin. 
broad. Male spike densely many-flowered, a short distance from the 
female flowers. Perianth very short. Filaments of the stamens a little 
shorter than the anthers. 
Upper Guinea. Cameroons: in wet shady places on the banks of a brook 
near Yaunde, Zenker & Staudt, 338. 
Allied to S, lancifolius, Kotschy, according to Engler, who does not state if the 
leaves appear with or after the flowers ; but as specimens of S. gabonicus, N. E. Br., 
have been distributed from Berlin under the name of S. Zenkeri (with the descrip- 
tion of which they do not agree), it is assumed in the key to the species that S. Zenkert 
somewhat resembles S. gabonicus, and like that species has axillary peduncles. I 
have not seen it. 
5. S. gabonicus, V. H. Br. Rhizome creeping, about } in. 
thick ; roots moderately stout, but scarcely fleshy, branching. Leaves 
contemporary with the flowers, glabrous; petiole 34-94 in. long, 
sheathing for about } of its length; blade 44-7 in. long, 2}—43 in. 
broad, oblong or elliptic-oblong, obtuse, narrowed below the middle to 
a cordate base, with obtusely rounded lobes }—1 in. long, under surface 
minutely freckled with pale brown in the dried state. Peduncle 
3-1 in. long, slender, axillary, solitary. Spathe not subterranean ; tube 
very short, 3-4 lin. long, slightly inflated at the base; limb 14-1} in. 
long, 6-8 lin. broad, oblong-ovate, obtuse, mucronulate, concave. 
Spadix 6-8 lin. long. Female flowers 4, horizontal, free. Perianth 
cupular, truncate, with a thickened rim, laterally much compressed, its 
longest diam. 1} lin., about 4 lin. deep. Ovary free, laterally com- 
pressed, shorter than the perianth; style about } lin. long, shortly 
exserted, stout, horizontally spreading; stigma capitate. Male spike 
rather dense, about } lin. distant from the female flowers. Perianth 
cupular, truncate, much compressed, and pointed at each end, about 
i lin. deep. Stamens 4; filaments moderately stout, shortly exserted 
from the perianth ; anthers with 4, somewhat radiating lobes (cells). 
Upper Guinea. Fernando Po, Barter, 1470! Cameroons : Bipinde, in the 
forest, Zenker, 1936 ! 2013 ! 
Lower Guinea. Corisco Bay: Mount John, River Kongui, Mann, 1880! 
Gaboon : Gaboon River, Mann, 1042! 
According to Barter, the Fernando Po plant has a light pink spathe, his specimell 
is without flowers, but appears to be the same as the Gaboon plant. The specimens 
collected by Zenker at Bipinde (1936, 2013) were received from Berlin under the 
name of S. Zenkeri ; they are identical with those collected by Mann, and do not 
agree with Engler’s description of S. Zenkeri, which is said to have the leaves 
slightly obtuse (cbtusiuscula) at the base, and a spathe with a tube 1 in. long, and & 
limb 2 in. long, 2 in. broad. 
6. S. lobatus, V. #. Br. Leaves contemporary with the flowers, 
glabrous ; petiole 6-10 in, long, broadly sheathing for about half its 
