OF THE SIERRA LEONE BOUNDARY COMMISSION. 75 
loculis 1-2-spermis; seminibus nigrescentibus sparse albo- 
stellato-pubescentibus. 
Branches about 1 foot long ; leaves 1 inch long, petiole 2 inch ; 
peduncle 4-3 inch long. 
This plant belongs to the section Ketmia. 
Flowers yellow, on gneissose rocks by Scarcies River, 2 miles 
north of Sasseni, Jan., no. 4535. 
CELASTRINES. 
SALACIA ANGUSTIFOLIA, sp. nov. 
Frutex glaber, ramis nigris teretibus crebre lenticellis albis 
notatis ; foliis lanceolatis angustis sepe falcatis obtuse acumi- 
natis, basi cuneatis supra rubris lucentibus subtus pallidioribus, 
margine obtuse serrato revolutoque ; venis venulisque elevatis ; 
venis 10-11-jugis forte curvatis et versus marginem fusis; foliis 
6-10 cm. long. et 15-24 mm. lat.; petiolis rugosis supra obscure 
canaliculatis 6-10 mm. 
Pedunculi breves (5 mm.) 15-25-flori; bracteis minutis ovatis 
ciliatis ; pedicellis 2 cm.; calycis segmentis exterioribus ovato- 
triangularibus, interioribus ovato-rotundatis margine ciliatis 
1-2 mm.; petalis obovato-oblongis obtusis 4-5 mm. long. et 
2 mm. lat.; anthere lobis basi divergentibus 2 mm.; filamentis 
3 mm.; disco cupulare circa 1 mm. 
Ovarium immaturum loculis 3-5-ovulatis. 
Bafodeya highlands in Limba Country, April, no. 5486. 
ANACARDIACER. 
Opina (§ EvODINA) NIGRITANA, sp. NOV. 
Frutex ramis nigris striatis minute puberulis ; foliis chartaceis 
6-7-foliolatis, circa 35 cm. long.; petiolis 15 cm. long. ; foliolis 
ovatis vel lanceolatis demum glabris longe acuminatis minute 
apiculatis basi valde inequalibus quoad marginem superiorem 
rotundatis, ad 10 cm. long. et 4 cm. lat.; venis 10-14-jugis vix 
prominulis ; petiolulo margine superiore 4-5 mm., inferiore 
0-3 mm. 
Racemi 12-16 cm. longi; bracteis ovatis 2 mm.; pedicellis 
8nis, infra florem articulatis circa 6 mm. longis ; sepalis1 mm. ; 
petalis 2 3 mm. long. et 1 mm. lat.; staminibus 2 mm.; drupa 
3 mm.; stylis 4, 1 mm. long. a 
Folia glabra; foliolis majusculis ovato-lanceolatis distincte 
