188 CL. AROIDEA (BROWN). | Stylochiton. 
Leaves broadly hastate, greyish beneath, from 
being densely covered with minute black 
dots ; veins dark : : 2 : : 
Leaves not black-dotted beneath; veins of the 
same colour as the rest of the leaf. 
Leaves large, deeply cordate or cordate-sagittate, 
with large, broad, obtusely rounded basal- 
lobes ; spathe 5-8 in. long. ; : 
Leaves oblong, subacute, slightly obtuse at the 
base ; spathe about 3 in. long . < : 
Leaves oblong or elliptic-oblong, obtuse, dis- 
tinctly cordate at the base, with short 
rounded basal lobes ; spathe 13-2 in. long 5. S. gabonicus. 
Leaves narrowly sagittate, with long and nar- 
row basal-lobes; male perianth 4-5-lobed 6. S. lobatus. 
**Peduncles not axillary ; inflorescence either appear- 
ing before the leaves, or arising from a separate 
. bud by the side of the leaves. (See also 4, S. 
Zenkeri, under which the position of the pe- 
duncle is undescribed.) 
Female flowers 10-12, in two series. 
Stigma discoid ; filaments of the stamens clavate, 
longer than the anthers . : : : 
Stigma oblique, shield-like; filaments of the 
stamens shorter than the anthers. 7 Gk 
Female flowers 6-9 or more in one cycle. 
Inflorescence and leaves present at the same 
time; spathe 2 in. long . ; 3 : 
Inflorescence appearing before the leaves; spathe 
about 4 in, long; male perianth 3-lobed . 10. 8. grandis. 
Female flowers 4—5 in one cycle. 
Ovary adnate to the perianth . . 
Ovary free within the perianth. 
Spathe 13-2 in. long. 
Leaves rounded at the base ; style 1 lin. 
long . : . : . 12. 8. lancifolius. 
Leaves sugittate at the base ; style 2 lin. 
long ; filaments of the stamens slightly 
exceeding the perianth . ; . 18. S. Barteri. 
Spathe 1-1} in. long ; style # lin. long ; 
filaments of the stamens much exceed- 
ing the perianth . . . . 14. S. similis. 
2. S. salaamicns. 
3. S. maximus. 
4. S. Zenkeri. . 
7. S. borumensis- 
R 
. angolensis. 
9. S. hypogeun. 
. . 11. S. kerensis. 
1. S. puberulus, V. Z. Br. Leaves probably contemporary with 
the flowers; petiole 12-14 in. long, sheathing for 1—} of its length, 
puberulous in the lower part, marked with pale spots ; blade as broad as 
long, very broadly sagittate or hastate, glabrous above, puberulous on 
the midrib, veins and veinlets beneath; front lobe 5-10 in. long; 
44—9 in. broad, broadly ovate or deltoid-ovate, subacute, with a subulate 
point 3-4 lin. long; basal lobes 33-8 in. long, 2-63 in. broad, ovate or 
elliptic-ovate, obtuse, overlapping or widely spreading. Peduncle 
23-4 in. long, puberulous. Spathe and male. part of the spadix not 
seen. Female flowers about 30, in several spirals, only seen in y oung, 
