OF THE SIERRA LEONE BOUNDARY COMMISSION. 97 
oblanceolatis vel obovatis obtusis versus basin angustatis sed ima 
basi rotundatis maturitate subglabris 15 mm.—40 mm. longis et 
8 mm.—27 mm. latis; venis plurime 4-jugis ; petiolo hirsuto 1-2 
mm.; stipulis brunneis triangularibus ciliatis. 
Flos ¢ pedunculo hirsuto sparsifloro 5-20 mm. long.; bracteis 
ovatis acuminatis 2-3 mm.; pedicellis 4 mm.; calycis campanu- 
Jati lobis obovatis obtusis; staminibus 5-6; filamentis medio 
applanatis hirsutis. 
Flos ? solitarius subterminalis pedunculo circa 5 mm. ; calycis 
coriacei lobis lanceolatis acutis hirsutis 3 mm.; disco pentangu- 
lari; ovario asperato dense hirsuto; seminibus nitidis 3-4 mm. 
longis et 2-3 mm. latis. 
On rocks partly in water by Scarcies River at Sasseni, Jan. 14, 
no. 4518, and Mofari, Jan. 12, no. 4432. 
CROTON NIGRITANUM, sp. nov. 
Frutex foliosus cortice glauco griseo; foliis ovatis ellipticis 
lanceolatisve obtuse breviterque acuminatis margine serrato 
revolutoque basi glandulis patelle formibus breviter pedunculatis 
auctis subtus pallidioribus pilis lepidisve paucis sparse conspersis 
3-8 cm. longis et 15 mm.-8 em. lat.; venis circa 7-jugis ; petiolo 
dense lepidoto 5-10 mm.; stipulis membranaceis brunneis ovatis 
ciliatis 2 mm. 
Racemis 3-8 em. long.; bracteis linearibus acutis plurime 
2-floris 1-2 mm.; floris g sepalis 5 ovatis acutis dorso dense 
stellato-pubescentibus 2 mm.; petalis spathulatis apice ciliatis 
2 mm.; staminibus 10 introrsis; floris 2 calycis lobis oblongis 
obtusis dorso pilis stellatis hirsutis ; ovario dense piloso ; semin- 
ibus brunneis nitidis obscure punctatis. 
Ceteris (vide Muell. Arg. in DC. Prod. xv. pt. 2, p. 528) 
bracteis infimis flores ¢ et 2 stipantibus, ramis lepidotis, stylis 
semel dichotomis, staminibus 10 diversum 
An undershrub in woods by river at Farana, alt. c. 3690 ft., 
March 26, no. 5379; Makundé, Limba, April, nos. 5715 & 5716. 
BaccaUREA SPARSIFLORA, Sp. Nov. a 
Frutex cortice griseo ramulis junioribus viridibus hirsutis ; 
foliis ovato- vel obovato-oblongis chartaceis acutis acuminatis 
margine obscure undulatis dentatisque basi sepius rotundatis 
maturitate subglabris sed juventute dense sericeis et marginibus 
costaque utrinque semper plus minus hirsutis 11-18 cm. long. et 
H 2 
