154 BOTANY OF THE UGANDA BOUNDARY COMMISSION. 
multoties brevioribus, calyce demum campanulato, vix ad 
medium 4-lobato, lobis brevibus acutis quam tubo brevi- 
oribus; petalis minutis, anguste spathulatis; staminibus 
2 inclusis, stylo brevi; capsulis globosis, 4-valvatis, demum 
quam calyce longioribus. 
Hab. Mulema.  * Floating plant; flowers minute, red." 
Fl. & Fr. May, 316. 
Caules 15-20 em. longi, internodiis 6-10 mm. longis. Folia 
7-11 mm. longa, 5-7:5 mm. lata. Calycis lobi + °5 mm. 
longi. Capsula + 1°5 mm. longa. 
Allied to R. fontinalis, Hiern; differs from that species 
in the stem being longer and unbranched—in there being 
2 stamens included instead of 4 exserted, &c. 
AMMANNIA BACCIFERA, Linn. Sp. Pl. 120. 
River Rufüa. Fl. December, 535. 
“ Erect herb in 2 in. of water; pink petals.” 
Distrib. Nile Land, Lower Guinea. Also in India and 
Madagascar. 
ONAGRARIEX. 
EPILOBIUM HIRSUTUM, Linn. Sp. Pl. 347. 
In swamp near River Rufüa. Fl. December, 537. 
Distrib. Widely spread in Africa and elsewhere. 
Jussi#a LINIFOLIA, Vahl, Eclog. Amer. 32. 
R. Rufta. Fl. December, 538. 
* Marsh plant 5 ft. high ; yellow flowers." 
Distrib. Widely distributed in Tropical Africa. Also in 
Tropical America. 
J. DIFFUSA, Forsk. Fl. ZEgypt.- Arab. 210. 
Poo. by Lake Musozi. December, S. Water-plant. 
Distrib. Upper Guinea, Nile Land, Mozambique District. 
SAMYDACEEX. 
TRIMERIA MACROPHYLLA, sp. nov. (Pl. 1.) 
Frutex inermis, ramis junioribus pubesceutibus, foliis crassi- 
usculis ovatis vel ovato-ellipticis, apice szpissime acutis, 
rarissime obtusis, basi cordatis, margine serratis, subtus 
pilis albidis vestitis, adultioribus superne glabris, sub- 
palmatinerviis; petiolis cinereo-pubescentibus, stipulis 
