558 LXXXVII. GENTIANEZ (BAKER AND BROWN). [ Canscora. 
4-winged. Calyx 4-5 lin. long; tube ventricose; teeth ovate-lanceo- 
late. Corolla white or pale pink; lobes much shorter than the tube, 
obovate, 2} lin. long. Perfect stamen 1. Capsule shorter than the calyx. 
Upper Guinea. Southern Nigeria: Ogurude, Holland, 266! Onitsa, Barter, 
1755! 
Nile Land. Bongo: Duggudu, Schweinfurth, 2695! Sabbi, Schweinfurth, 
2614! 
Lower Guinea. Lower Congo: Stanley Pool, Callewaert / 
South Central. Congo Free State: Mtowa, on Lake Tanganyika, Descamps. 
Mozamb. Dist. Pemba Island, Bojer / British Central Africa: Nyasaland ; 
Kondowe to Karonga, Whyte, 81! 
Also in Madagascar and Tropical Asia. 
2. C. diffusa, FR. Br.; Griseb. in DC. Prod. ix. 64. A much- 
branched erect annual; stems slender, 4-angled, }—2 ft. long. Leaves 
membranous; upper ovate, acute, short ; lower narrowed to the base, 
4-1} in. long. Flowers very numerous, in a lax rather diffuse cymose 
panicle ; pedicels 3-7 lin. long. Calyx 4 in. long, not winged; teeth 4, 
subulate, erect, }-} lin.long. Corolla pink ; tube as long as the calyx ; 
lobes unequal, much shorter than the tube, ovate. Stamens unequal. 
‘Capsule shorter than the calyx.—Benth. in Hook Niger Fl. 460.— 
Orthostemon erectum, R. Br. Prod. Fl. Nov. Holl. 451. 
Upper Guinea. Senegal, Heudelot, 170! Sie‘ra Leone: Kofiu Mountain, 
Scott-Elliot, 4505, and without precise locality, Don. Niger Territory: Nupe, 
Barter, 806! 
Wile Land. Nubia, Kotschy, 488! Mittu: Kuddu, Schweinfurth, 2814. 
Mozamb. Dist. British Central Africa: Nyasaland; Mpata and commence- 
ment of the Tanganyika Plateau, Whyte! Fort Hill, 3500-4000 ft., Whyte ! 
Also in Madagascar, Tropical Asia and Australia. 
3. C. Kirkii, V. #. Br. Plant 6—9 in. high, branching from the 
base upwards, glabrous; branches ascending or nearly erect, 4-angled, 
trichotomous, several-flowered, the whole plant forming an elongate 
contracted panicle of cymes. Leaves spreading, }—1 in. long, 14-5 lin. 
broad, lanceolate or elliptic, acute. Pedicels 1-3 lin. long. Calyx-tube 
1-1} lin. long, cylindric, not winged ; lobes } lin. long, deltoid, acute. 
Corolla-tube 14-1? lin. long ; lobes subequal, #-? lin. long, } lin. broad, 
-elliptic-oblong, emarginate or bifid at the apex. Stamens 4, equal; 
filaments } lin. long, filiform, all inserted } lin. below the corolla-sinuses ; 
anthers all alike and fertile, } lin. long and about as broad, roundish- 
oat Style very short ; stigma deeply divided into 2 large obovate 
obes. 
Mozamb. Dist. British Central Africa: on an island in the Zambesi at 
Victoria Falls, Kirk ! 
Orthostemon, R. Br., should, perhaps, be retained as distinct from Canscora, 
Lam., and this be referred to it as O. Kirkii, N. E. Br. 
Cc. ramosissima, Baker in Kew Bulletin, 1898, 158, is Torenia spicata, 
Engl., in Scrophulariacea, : 
