10 IRIDEZ (Baker). [ Morea. 
Basal leaves many : 
Leaves linear-conyolute : 
Flowers lilac... et ove as . (3) galaxioides. 
Flowers yellow ... ce sae oy «= (4) «fasciculata. 
Leaves Janceolate.... pee tae ie - (5) faleifolia, 
BREVICAULES. Stems very short. 
Leaves hairy all over . ae aa - (6) papilionacea. 
Leaves hairy on the edges only aie i ... (7) fimbriata. 
MONOCEPHALZ. Stems long, usually 1-headed. 
Leaves terete : 
Lowest leaf only produced, very long OS ... (8) angusta, 
Leaves 3-4 produced, all short _.... as ... (9) Baurii. 
Leaves linear: 
Stem slender. Flowers red-brown... ois .-» (10) lurida. 
Stem robust. Flowers yellow ... 11) spathacea. 
CORYMBOSZ. Stems elongated. Inflorescence laxly 
corymbose, 
Stems viscous below the nodes ... vee ee = ans—s« (12) «viscaria, 
* Stems glabrous: 
Comparatively dwarf, with small flowers : 
Spathes 4-3 in. long: 
Leaves linear-complicate Ane ie «» (18) juncea, 
Leaves linear crisped ... is oes ... (14) erispa. 
Spathes 3-1 in. long : 
Leaves glabrous ..,. aad on eat ... (15) arenaria. 
Leavés strongly ciliated... ae is «. (16) serpentiaa, 
Spathes 1-1} in. long: : 
Leaves subulate ... ap = ia «ee (17) Cooperi. 
Leaves linear-subulate ... ore ots ... (18) polyantha. 
Leaves narrow linear : : 
Basal leaf only produced ... oi «-» (19) iriopetala, 
1-2 leaves produced se 10 eee tar} mira. 
2-8 leaves produced sis oes .» (21) tristis. 
More robust, with larger aonens : 
Flowers lilac... ee ae ... (22) polyanthos, 
Flowers yellow; 
Spathes an inch long aie van ..» (23) ramosa, 
Spathes 1} in. long eee oes (24) gigantea. 
SUBRACEMOSZ. Clusters of flowers few or many, senile or shortly peduncled. 
_ Stems with 1-2 produced Jeaves remote from the inflor- 
escence : 
Leaves subulate, very slender ove ove + (25) setacea. 
Leaves linear : 
Flower lilac saa ee ah er ws» (26) undulata. 
Flower yellow ... .» (27) Bolusii. 
Stems with only one leaf produced "from the base of the 
inflorescence : 
Perianth 4-1 in. long... hae a a .. (28) natalensis. 
Perianth 1-1} im. long «4s ses ves, wwe (29) @dtlis, 
Subgenus II. Herixyra. Rootstockacorm, Inner segments of the saetouth 
oblanceolate-unguiculate, Ovary produced into a long beak at the top, likea 
perianth-tube. 
Leaf terete: 
Spathes 4—-{ in. long ... sé sue +e .»- (30) spiralis. 
Spathes 1~1d in. long : 
Stem scarcely any ‘ oe oe ... (31) Bogersii, 
Stem shortly produced .. vse nee wee, (82) Burcheollii. 
a ee ee et og Oe) ee 
