GEISSORHIZA. 157 



h in. diam. ; tunics thick, dark brown, lacerated. Basal leaves 2, 

 linear, glabrous, firm, strongly ribbed, 3-8 in. long; cauline 1, 

 with a ventricose sheath and long free point. Stem simjile or 

 forked, ^-1 ft. long ; flowers few or many, in a lax spike witli a 

 flexQose rachis ; outer spathe-valve oblong, i- in. long, green, with 

 a membranous tip. Perianth with a straight tube ^ in. long ; 

 segments oblong, white, |-$ in. long, the outer broadly keeled with 

 red. Anthers linear, ^ in. long. Style-branches ^ in. long. 



Var. G. OBTUSATA Ker in Bot. Mag. t. 672. — Habit more robust, 

 and leaves broader and more obtuse than in the type. Flowers 

 larger, with a limb f-1 in. long; outer segments flushed with red 

 outside. 



Hab. Cape Colony ; south-western provinces. 



19. G. iNFLKXA Ker in Konig et Sims, Ann. i. 223. G. vcKjinata 

 Sweet, Brit. Flow. Gard. t. 138. Ixia injiexa Delar. — Corm globose, 

 ^ in. diam., with thick rigid much lacerated brown tunics. Basal 

 leaves 2, linear, thick, rigid, glabrous, strongly ribbed, 4-6 in. long; 

 cauline 1, with a loose strongly-ribbed sheath, and long free point. 

 Stem i-1 ft. long, simple or forked low down ; flowers several, in a 

 lax spike with a flexuose rachis ; outer spathe-valve oblong, ^-i in. 

 long, brown and scariose upwards. Perianth with a straight tube 

 \ in. long, a dark purple throat, and oblong pale yellow segments 

 ^-1 in. long. Anthers linear, ^ in. long, exceeding the purple 

 filaments. Style-branches ^ in. long. 



Hab. Cai^e Colony ; south-western provinces. 



20. G. QUADRANGULA Ker, Gen. Irid. 88. Ixia qiuulrmunila 

 Delar. — Corm crowned with bristles. Leaves few, sheathing, rigid, 

 subquadrangular, the 1-2 lower ones overtopping the flowers. 

 Stem slender, simple ; flowers few, in a lax spike ; spathe-valves 

 persistent. Perianth blue, with a tube much shorter than the 

 spathe and ovate segments. 



Hab. Cape Colony. A doubtful species, known only from the desci'iption 

 of Delaroche. 



21. G. NANA Klatt, Erganz. 57. — Corm globose, very small. 

 Basal leaves 3-4, linear, glabrous, moderately firm, an inch long. 

 Stems very slender, simple or forked from the base, 1-2 in. long, 

 each branch 1 -flowered ; outer spathe-valve oblong, green, ^ in. 

 long. Perianth with a blue tube as long as the spathe, and oblong 

 segments ^ in. long, the inner whitish, the outer blue. Stamens 

 half as long as the limb. Style-branches short. 



Hab. Cape Colony ; Zwellendam, Zeyher 3967 1 



22. G. SETACEA Baker in Journ. Linn. Soc. xvi. 95. G. recun-i- 

 folia Klatt, excl. syn. Ixia setacea Thunb. — Corm ovoid, J in. 

 diam. ; outer tunics crowned with bristles. Basal leaves 3-4, 

 linear, glabrous, moderately firm, 1-3 in. long. Stems 2-3 in. 

 long, very slender, simple or deeply forked, bearing 1-2 small 

 sheathing leaves low down, each branch 1 -flowered; spathe-valves 

 oblong, green, ^-^ in. long. Perianth with a tube as long as the 



