232 HANDBOOK OF IRIDE^. 



11. A. HuiLLENSis Welw. ; Baker in Trans. Linn. Soc. ser. 2, 

 Bot. i. 270. — Corm globose, 1 in. diam. ; tunics fibrous in the 

 lower part. Stem 6-15 in. long, bearing 3 small superposed linear- 

 subulate leaves. Spike simple, lax, secund ; spathe-valves oblong, 

 ^ in. long. Perianth-tube curved, an inch long ; upper segment 

 oblong, bright red, f in. long ; lateral small, obovate ; 3 lower 

 minute. Stamens nearly as long as the upper segment. Capsule 

 obovoid-oblong, ^ in. long. Seeds discoid, winged. 



Hab. Angola ; province of Huilla, temperate region, Welwitsch 1539 ! 



12. A. zAMBEsiACA Baker. — Stem slender, stiffly erect, a foot 

 long, bearing 3-4 superposed leaves with short free linear tips. 

 Spike few-flowered ; spathe-valves lanceolate, green, an inch long. 

 Perianth-tube curved, an inch long ; upper segment oblong, very 

 cucullate, bright red, 1^ in. long, f in. broad ; lateral suborbicular, 

 J-^ in. long and broad ; 3 lower minute. Stamens reaching nearly 

 to the tip of the upper segment. 



Hab. Zambesiland ; Leshumo Valley. Gathered by Dr. Holub in 1883. 



13. A. GRACILIS Pax in Engl. Hochgeb. Fl. Trop. Afric. 177. — 

 Corm globose ; tunics ot parallel fibres. Stem 2-3 ft. long. Leaves 

 linear, bright green, -J-^ in. broad ; sheaths purple. Spikes lax, 

 5-6-flowered ; spathe-valves lanceolate-acuminate, 1^ in. long. 

 Perianth scarlet ; tube narrowly funnel-shaped, much curved, 

 nearly an inch long; segments oblong, subequal, f in. long. 

 Stamens an inch long. 



Hab. Mount Kilimanjaro, alt. 9000—10,000 ft., Dr. Hans Me^jer. 



