118 1RIDEZ (Baker). [Tritonia. 
XXVI. TRITONIA, Ker. 
Perianth with a short or elongated cylindrical tube, funnel-shaped 
at the top; segments of the limb obovate or oblong, subequal or 
rather unequal. Stamens unilateral, contiguous, arcuate, inserted at 
the base of the funnel-shaped portion of the perianth-tube ; filaments 
filiform ; anthers usually versatile. Ovary 3-celled; ovules superposed ; 
style filiform; branches simple, short, spreading. Fruit a small 
oblong, membranous capsule, dehiscing loculicidally. Seeds small, 
globose, or angled by pressure, 
Habit of Izia. Rootstock a corm with fibrous reticulated tunics ; basal leaves 
in a fan-shaped rosette, ensiform or linear; flowers various in colour, arranged 
in simple or panicled spikes ; spathe-valves oblong, brown, dentate at the tip. 
Distr1B. One of the species extends to the tropical mountains of Central 
Africa, and a second is endemic there. 
Subgenus Trironrx1a. Flowers large; segments subequal, obovate, much 
imbricated ; spikes secund. 
Flower bright red, or fulvous-yellow: 
Segments obovate-cuneate : 
Outer segments not spotted .. . (1) crocata. 
Outer segments with a large purple-blac 
spot on theclaw_... es ‘ie «» (2) deusta. 
Segments obovate-sputhulate, the claw with an 
inflexed hyaline me 2 ie ee, ee, ~{8) hyalina. 
Flower white or pink... Pee ra ine :.. (4) squalida, 
Subgenus Dicwong. Flowers small; segments equal, oblong. 
Leaves plane: 
Leaflong..... pe? aS nee see .» (5) scillaris. 
Leaf short a Sea 
... (6) trinervata. 
= ehcag 2, ves 3 undulata. 
Subgenus TriToNIa PROPER, Flowers large or small; segments of the limb 
oblong, the three lower without any callus on the face; tube dilated at the top 
into a large funnel. 
Tube much longer than the spathe : 
Flowers green ee ton! obic econ Cp Ve 
Flowers bright pink, with a tube dilated in the 
upper half... . 
eee 
Ae Ree me 
Flowers white or pale pink, with a tube dilated 
only at the top: : 
Leaf linear, crisped ore eee eee oe (10) crispa. 
Leaf plane, linear-ensiform ... os .» (11) pallida. 
Leaf plane, narrow linear sre we» (12) Bakesi. 
Tube short (at most an inch long) : 
Perianth-segments longer than the tube: 
Leaf subulate or very narrow : 
Perianth-tube } in. Jong ... «+» (18) ventricosa. 
Perianth-tube}in.long... ... (14) kamisbergensis. 
Leaf linear, 4 in. long: 
Perianth-tube 4—} in. long eves ave (18) disticha. 
Perianth-tube }~-} in. long (16) pauciflora. 
Perianth-tube din, long... ...  .., (17) Iemplemanni. 
Perianth-segments about as long as the tube : ; 
Flowers white or pale pink : ? 
Leaves terete ss ins ave ... (18) teretifolia. 
Leaves linear: 
Perianth-tube funnel-shaped only at 
thetop ... os vee ++» (19) dubia, 
