220 HANDBOOK OF IRIDE^. 



white blotch with red spots at the throat. Stamens half as long as 

 the limb. 



Hab. Natal. Introduced into cultivation by Mr. Wm. Bull. 



96. G. BuETTNERi Pax. — Stem 3ft. long. Leaves rigid, ensiform, 

 glabrous, the lowest H ft. long, above an inch broad. Spike very 

 lax, a foot long; spathe-valves lanceolate, 2|— 3 in. long. Perianth- 

 tube 1^ in. long ; upper segment oblong, very convex, 1^-2 in. 

 long ; lateral broad, oblong ; 3 lower much smaller. 



Hab. Tugolaad, West Tropical Africa, Dr. Buettnerl 



97. G. DEAcocEPHALus Hook. j&l. in. Bot. Mag. t. 5884. — Corm 

 large, depresso-globose. Produced leaves 3-4, ensiform, 1-1 1^ ft. 

 long, moderately firm. Stem 2 ft. long. Flowers 3-6 in a very 

 lax secund spike ; outer spathe-valves green, lanceolate, 2-3 

 in. long. Perianth yellowisli green, minutely grained with claret- 

 purple, with a curved greenish tube 1^-2 in. long ; upper segments 

 obovate, cucullate, 1^ in. long, f-1 in. broad ; lower much smaller, 

 acute, reflexing. Stamens nearly as long as the segments. 



Hab. Natal. Introduced into cultivation by Mr. Thos. Cooper in 1870. 



98. G. psiTTAciNus Hook, in Bot. Mag. t. 3032 ; Bot. Beg. t. 

 1442 ; Eeich. Exot. t. 116. G. naUdensis Eeinw. ; Sweet, 13rit. 

 Flow. Gard. ser. 2, t. 281 ; Lodd. Bot. Cab. t. 1756.— Corm large, 

 depresso-globose ; tunics of matted parallel fibres. Produced 

 leaves about 4, ensiform, rigid, 1-2 ft. long. Stem, 2-3 ft. long. 

 Flowers many, in a very lax secund spike ; outer spathe-valves green, 

 oblong-lanceolate, 2-3 in. long. Perianth with a curved tube 1^-2 

 in. long ; limb about as long as the tube, copiously grained with 

 red on a yellowish groand; upper obovate, very cucullate, f-1 in. 

 broad ; 3 lower much smaller, reflexing. Stamens more than half 

 as long as the segments. 



Var. G. CoopEKi Baker in Bot. Mag. t. 6002. — Perianth-tube 

 2^-3 in. long ; segments more acute. 



Hab. Cape Colony ; eastern jn'ovinces from Somerset, Albert and Kail'raria 

 to Natal and the Transvaal. Introduced into cultivation in 1830. 



99. G. Tysoni Baker. — Corm, small, globose. Produced leaves 

 about 4, crowded, ensiform, rigidly coriaceous, strongly ribbed, the 

 lower 0-9 in. long, 1^ in. broad at the middle. Stem about a foot 

 long. Flowers 4-6 in a very lax spike ; outer spathe-valves lanceo- 

 late, lower 2 in. long. Perianth bright red, 4 in. long, with a limb 

 about as long as the curved tube ; upper segments oblong, cu- 

 cullate, -i in. broad; 3 lower much smaller. 



Hab. Cape Colony; Griqualand East, alt. 5000 ft., Tyson 1653 ! 



100. G. SaUxXdersh Hook. fil. in Bot. Mag. t. 5873.— Corm large, 

 depresso-globose. Produced leaves 4-6, ensiform, rigid, strongly 

 ribbed, 1-2 ft. long. Stem 1^-2 ft. long. Flowers 6-8 in a very lax 

 spike ; outer spathe-valves green, lanceolate, l|-2 in. long. Peri- 

 anth bright scarlet, with a curved tube 1-1^ in. long; 3 upper seg- 

 ments concolorous, oblong-spathulate, subacute, connivent, 2 in. 

 long, an inch broad ; 3 lower narrower and shorter, with a great 



