

Striga.~\ xcn. scrophulariace/e (hemsley and skan). 403 



Carson ! Nyasaland : Kondowe to Karonga, Whyte ! near Karonga, Scott ! Nyika 

 Plateau, 6000-70CO ft., Whyte ! Likoma Island, in Lake Nyasa, Johnson, 32 I 

 Miss Kenyon ! and without precise locality, Buchanan, 1141! Rhodesia; Eastern 

 Bamangwato Territory, Holub ! Ngamiland ; Kwebe, 3300 ft., Lttgard, 127 ! Mrs. 

 Lugard, 164 



Also in the Cape Verde Islands, South Africa, Sokotra, Arabia, and India. 



According to collectors' notes this species is parasitic on the roots of Jndigofera 

 and other Leguminosce, Ipomaea filicaulis, Euphorbia abyssinica, Sansevieria, 

 rushes, &c. 



2. S. aspera, Benth. in Hook. Comp. Bot. May. i. 362. A rather 

 slender erect sparingly and hispidly pubescent scabrid herb 6-15 in. 

 high ; stem usually freely branched from about the middle upwards. 

 Leaves opposite or the upper alternate, linear, \-\-\ in. long, |— 1| lin. 

 broad, hispidly pubescent and often scabrid with small white points, 

 acute or subacute. Spikes terminal, slender, lax-flowered, up to 8 in. 

 long; flowers alternate, H-2 h lin. apart; bracts linear, 2-5 lin. long, 

 acute, hispidly pubescent, scabrid ; bracteoles similar to the bracts but 

 smaller. Calyx about 3 lin. long, 5-nerved, 5-toothecl, shortly and hispidly 

 pubescent on the nerves and teeth ; teeth narrowly triangular, acuminate, 

 f-1 lin. long, the uppermost much smaller than the rest. Corolla 

 purple or red, glabrous or puberulous ; tube about 5 lin. long, very 

 narrow below, curved and inflated above the middle ; upper lip broadly 

 obovate, about 2 lin. long, subtruncate or emarginate ; lower lip 2J-4 

 lin. long ; lobes obovate or narrowly obovate, 1J— 2£ lin. long. Capsule 

 ellipsoid, 2-2J- lin. long, l-lj lin. broad, apiculate. — DC. Prodr. x. 501. 

 Buchnera aspera, Schumach. & Thonn. Beskr. Guin. PI. 280. Euphrasia 

 aspera, Willd. Sp. PI. iii. 197. 



Upper Guinea. Senegambia, Seudelot, 165 ! Senegal, Roger ! Gold 

 Ceast : Ningo, Thonning. Northern Nigeria : Nupe; Jeba on the Niger, Barter ! 



Var. JiJiformis, Benth. in DC. Prodr. x. 50.1. Stems more slender, simple or 

 very sparingly branched. Leaves more distant, narrowly linear. Calyx nearly ^ in. 

 long. Corolla-tube 6-6-i lin. long ; upper lip about 2>h lin. long ; lower lip about 

 4;V lin. long. 



Upper Guinea. Southern Nigeria : River Niger, Vogel, 15 ! 



Var. Schweivfurthii, Skan. Near var. flliformis in the corolla, but stems not 

 so slender, leaves longer and broader, and calyx slightly longer, with narrower and 

 longer teeth. Corolla rose-coloured. 



Nile land. British East Africa : Jur; Jur Gbattas, Schiueinfurth, 1992 ! 



S. Passargei, Engl, in Engl. Jahrb. xxiii. 515, t. 12, figs. M, N (Cameroons, 

 Passarge, 48), of which we have seen no specimen, does not appear to differ from 

 typical S. aspera. 



3. S. brachycalyx, Skan. An erect somewhat rigid annual herb 

 about 1% ft. high, thinly covered with fine rather short spreading hispid 

 hairs, scabrid ; stems simple below, very much branched from the 

 middle to the apex ; branches 1 J-6 in. long, slender, erect-spreading, 

 leafy. Leaves opposite on the lower part of the stem, alternate above 

 and on the branches, narrowly linear, 3-13 (usually 6-9) lin. long, J-f 

 lin. broad, obtuse, hispidly hairy, scabrid, especially along the somewhat 



