188 IRIDEX (Baker). [ Gladiolus. 
Upper segments obovate, 1-1} in. broad: 
Lower bracts 14-2 in. long... os ... (60) splendens, 
Lower bracts 3-6 in. long ... we ... (61) crnentus. 
Dracocephalé. Flowers large, with a much-curved tube and upper segments 
hooded. 
Flowers dull-coloured : 
Leaves 3—1 in. broad = ee nh ... (62) dracocephalus. 
Leaves 1-2in. broad. Le. en ... (68) platyphyllus. 
Flowers bright red : 
Limb shorter than the tube... ... --» (64) psittacinus, 
Limb as long as the tube: 
Perianth 2-3 in. long ore LS «» (65) Leichtlini. 
Perianth 4 in. long .., sai oe) ... (66) Tysoni. 
Limb longer than the tube 67) Saundersii. 
Flowers bright yellow... ...° ose 68) aurantiacus. 
Subgenus II, Hesza. Spathe-valves large, green, oblong-lanceolate. Perianth- 
segments all with a narrow claw. 
Side-segments about 4 in, broad : 
Flowers red : 
Leaves with many close equal ribs... ... (69) alatus. 
Leaves with only a thickened midrib and 
edge se eee wie 
ses ven 70) spathulatus. 
Flowers greenish-yellow ... 71) orchidifiorus. 
Side-segments about 4 in, broad; 
Flowers dull reddish... Pes ack ... (72) pulchellus. 
Flowers yellowish al ; e 73) bicolor. 
Side-segments about 4 in. broad : 
Stems stout ; flowers few toaspike ...  ... (74) arcuatus. 
Stems slender ; flowers many to a spike: 
Segments cuspidate : 
Upper segments 1-1} in. long «+» (75) formosus. 
Upper segments $-1 in. long: 
Tunics of fine parallel fibres .,, (76) edulis. 
Tunics lacerated from the base... (77) Scullyi. 
Segments not cuspidate : 
Claw of upper segments very narrow (78) Dregei. 
Claw of upper segments notvery narrow (79) permeabilis. 
Subgenus III. SonwetcceRa. Spathe-valves small, brown, rigid. Segments 
all with a distinct slender claw and small blade. 
Perianth-limb 4-3 in. long ... ... ws =~ ss (80) arenarius, 
Perianth-limb1 in. long... ee sae se {31} montanus. 
1. G. grandis (Thunb. Fl. Cap. i. 186) ; corm globose; tunics of 
thick, parallel, wiry fibres ; stem slender, terete, 1-2 ft. long; leaves 
3, superposed, terete, strongly ribbed, firm in texture, the lowest 
1-12 ft. long ; flowers fragrant; 2-6 in a very lax secund spike; 
spathe-valves green, lanceolate, the outer 2-21 in. long; perianth 
24-8 in. long, with a curved tube funnel-shaped in the upper third ; 
segments yellowish-white, more or less tinged with purplish-brown, 
especially on the keel, oblong, 4-% in. broad, narrowed into a long 
point ; stamens reaching halfway up the limb; capsule oblong, 
membranous, 13 in. long. Klatt in Linnea xxxii. 714; Baker, 
Handb. Irid.202. G. tristis, Linn. herb./ @G. tristis, var. grandis, 
Thunb. Diss. No.8. G. versicolor, Andr. Bot. Rep. t. 19; Ker in 
Bot. Mag. t. 1042; Gen. Irid. 135. 
Sovrn Argica: without locality, Thunberg ! 
