Gladiolus. | CXXXVI. IRIDEX (BAKER). 365 
segments oblong, cuneate, twice as long as the tube. Stamens nearly 
as long as the upper segments ` anthers linear, } in. long. 
Mozamb. Dist. Portuguese East Africa: mountains east of Lake Nyasa, 
Johnson ! British Central Africa: Nyasaland; near Blantyre, Last / 
12. G. luridus, Welw. ex Baker in Trans. Linn. Soc. ser. 2, Bot. i. 
267. Corm globose, 1 in. diam.; tunics of parallel fibres, reticulated 
upwards. Produced leaves 3—4, narrowly linear, erect, firm, 1 ft. long, 
$ in. broad. Stem slender, terete, 1 ft. long, bearing 2 reduced leaves. 
Spike very lax, secund, 1 ft. long, 10—12-flowered ; outer spathe-valves 
oblong-lanceolate, green, Ä 3 in. long. Perianth dull purple, 1 in. long, 
tube curved ; upper segment as long as the tube, oblong, obtuse, with a 
cuneate base, }—} in. broad ; lower segments smaller, with a narrow 
claw. Stamens nearly as long as the upper segments.—Handb. 
Irid. 211. 
Lower Guinea. Angola: Huilla; subtemperate region near Lopollo, in maize 
fields, Welwitsch, 1533 ! 
13. G. masukuensis, Baker in Kew Bulletin, 1897, 283. Corm 
not seen. Root-leaves linear, rigid, glabrous, 14 ft. long, } in. broad, 
with thickened stramineous veins and margins. Stem above 1 ft. long, 
sometimes forked, bearing a few reduced leaves. Spike lax, secund, 
6-9 in. long; outer spathe-valves firm, green, oblong or oblong- 
lanceolate, }-1 in. long. Perianth lilac, 1 in. long; tube short, much 
curved ; upper segments oblong, obtuse, conspicuously cucullate, ł in. 
long; lower rather shorter, with a small brown-black claw and a long 
narrow blade. Stamens nearly as long as the upper segments. 
Mozamb. Dist. British Central Africa: Nyasaland; Masuku Mountains, 
Whyte! 
Described from specimens grown in a garden at Zomba. 
14. G. gregarius, Welw. ex Baker in Trans. Linn. Soc. ser. 2, 
Bot. i. 268. Corm globose, 4-3 in. diam. ; tunics of fine fibres. Leaves 
5—6, sub-basal, linear, firm, glabrous, 6—9 in. long, $-4 in. broad. Stem 
1-1} ft. long, bearing a few reduced leaves. Spike simple, secund, 
moderately dense, 10—12-flowered ; outer spathe-valve lanceolate, firm, 
greenish-brown, 1 in. long in the lower flowers. Perianth yellow, 
1-1} in. long, with two small violet marks at the throat; tube curved, 
broadly funnel-shaped, Ä in. long; upper segments oblong, obtuse, as 
long as the tube ; lower narrower with a narrow claw. Stamens rather 
shorter than the perianth-limb; anthers } in. long.—Handb. Irid. 210. 
Lower Guinea. Angola: Pungo Andongo; on the higher rocks of Serra de 
Pedras de Guinga, in tufts of 4-10 plants, Welwitsch, 1528! 
15. G. zanguebaricus, Baker in Kew Bulletin, 1897, 282, under 
G. venulosus. Corm not seen. Produced leaves 3, linear, suprabasal, 
moderately firm, the lower 6-9 in. long, } in. broad, the ribs and edges 
not thickened. Stem very slender, terete, 1 ft. long, bearing 1 reduced 
leaf. Spike lax, secund, 5-6-flowered; outer spathe-valves green, 
lanceolate, t in. long in the lower flowers. Perianth bright pink, 
