438 OXXI, BALANOPHORE® (ROTTING HEMSLEY). [ 7honningia. 
Flower-heads unisexual, 
Flower-heads subglobose. 
Involueral-seales acute, not acuminate, 
Peduncles 3-3 in. long Fs ° - L. TZ. sanguinea. 
Peduncles }-} in. long : 3 5 2. T. dubia. 
Involucral-scales acuminate, very acute . - . 3. T. ugandensis. 
Flower-heads ovoid. 
Involueral-scales clongate-acuminate . ; - 4, Z. elegans. 
Flower-heads bisexual. Peduncles very short or obsolete. 
Male perianth deficient. Female perianth inflated 5, 7’. sessifts. 
Male perianth present. Female perianth very 
narrow, cylindrical 5 z . if . 6, 7. angolensis. 
1. T. sanguinea, Vahl in Danske Selsk. Skrifter, vi. 125, t. 6. 
Tuber only seen in a young condition, 9-12 lin. in diam, Rhizomes 
branched, 2-3 lin. in diam. in a dried state, more or less pubescent. 
Volva obscure. Peduncles }-3 in. long. Scales of the peduncle thick, 
ovate-lanceolate, increasing in size upwards, 2-6 lin. long, keeled, 
obscurely serrulate, glabrous outside, hairy inside at the base, scarcely 
acute. Scales of the involucre similar but larger, except the innermost 
ones, the longest about 9 lin. long. Flower-heads unisexual, 3-1} in. 
in diam.; male smaller and more numerous than the female. Male 
flowers about 50 in a head, seated on a flat or slightly convex receptacle 
and interspersed with small subulate or filiform bracteoles 4-8 lin. long. 
Perianth variable, irregular, imperfect, 2-6-lobed but usually 3-lobed ; 
lobes of unequal length and degree of attachment to the staminal-column, 
linear, 1-3 lin. long, acute, erect. Anthers 3-6, about as long as the 
perianth (and pedicel 2), at first consolidated, at length separating (?). 
Fema e flowers very numerous, 1-1} lin. long. Perianth (and ovary ) 
equal or slightly longer or shorter than the style, tubular above the 
ovary, mouth obscurely and irregularly toothed. 
Upper Guinea. Sierra Leone: Bagru River, Jann, 907! Gold Coast: 
Aquapim, Thonning! Aburi, Leslie! Ashanti, Cummins, 192! Lagos: Yorubs, 
Millson, 145! Northern Nigeria: near Mount Purdy, Barter! Nigeria, Talbot : 
Lower Guinea. Cameroons: Bipinde, Zenker, 1737! Lower Congo: 
Kinchassa, Schlechter, 12803! 
The definition of this and of the following proposed species is by 10 prairie 
complete and satisfactory, and can only be regarded as suggestive and astiate ai . 
Of the Talbot drawings, those numbered 707, 725 and 726 probably represent : 
° x : in 
sanguinea, although the involucral scales are pale in colour, and more acuminate } 
shape than those of any of the herbarium specimens referred here. 
2. T. dubia, ems. Tuber not seen. Rhizomes cylindrical, 2-3 
lin. in diam., obscurely pubescent. Volva short, truncate with a more 
or less broken margin, Peduncles contiguous, }-} in. long, or Uy 
developed ; scales triangular-ovate, 2-4 lin. long, subobtuse. Scales 
of the involucre multiseriate, ovate-lanceolate to nearly linear, up to 
1 in. long, hardly acute, irregularly finely serrulate. Flower-heads un!- 
sexual, the male apparently as large as the female, 1-1} in. in diam. ; 
male receptacle convex, 5-6 lin, in diam,; female receptacle hemispherical. 
