392 CXXXIII. LILIACER. 
various habit, including trees shrubs or bulbous or fibrous- 
rooted herbs. Leaves mostly linear, rarely petioled or dicho- 
tomo-multifid ; bases sheathing. Flowers in racemes, spikes, 
umbels or heads or panicled ; often large and showy, sometimes 
minute and greenish. 
Tribe 1. HyactntHr®. Bulbous-rooted, scapigerous plants. Leaves 
all radical. Flowers in spikes, racemes or corymbs or corymboso-subcapi- 
tate ; pedicels from the axil of a bract, not jointed below the flower. (Gen. 
1-15.) 
(1) Perianth either tubular or the segments erect, 
converging or reflexed at the apices only. 
Tule of perianth longer than the limb. 
Limb erect, its lobes 1-nerved ; stamens in the 
middle of the perianth-tube. . . 1. VELTHEIMIA. 
Limb of 3 erect and 3 spreading, pluri- -nerved 
seements ; stamens in the throat, included . 15. URopETALUM. 
Tube of perianth short or very short. 
Tube simple at base . . . . . - + « + 2, LACHENALIA. 
Tube spurred at base. . 3. C@LANTHUS. 
(2) Perianth funnel- or salver-shaped, with a longer . 
or shorter tube, or 2-labiate, very unequal- 
sided. 
Perianth funnel-shaped, at length deciduous ; 
filaments filiform. 
Perianth-tube plaited within, towards the base 4. PERIBa@A. 
Perianth-tube not plaited withm . . 5. POLYXENA. 
Perianth salver-shaped, persistent ; filaments di- 
lated at base. . 6. Massonra. 
Perianth (of outer flowers), 2- -labiate, the upper 
lip of 3 short, tooth-like segments, the lower 
very large, radiating, deeply 3-lobed. . . . 7. DAUBENYA. 
(3) Perianth 6-parted, the segments widely spread- 
ing; tube short and wide or 0. 
Seape imbricated throughout with cucullate bracts, 
under each of which is concealed a flower. . 8. WHITEHEADIA. 
Scape racemose in the upper part, the raceme 
crowned with a tuft of leafy bracts . . . 9. Evcomis. 
Scape racemose or corymbiferous, not crowned. 
Sepals 1-nerved. 
Sepals separate ney to the base; ovary 
sessile . . . 10. Scrzna. 
Sepals converging or connate ‘pelow, strongly 
reflexed above. 
' Ovary stipitate ; ovules 1-2 in each cell . ‘11. Deri. 
Ovary sessile ; ovules 7-19 in each cell . 12. IDoTHEA. 
Sepals 3- or several-nerved. 
Perianth wach spreading ; segments con- 
cave. . . 13. ORNITHOGALUM. 
Perianth with 3 “outer. segments spreading, 
flattish ; 3 inner erect, converging, with 
an inflexed gland, a6 tip), < cob mcs’ saiueitipeit dae AOA. 
Tribe 2. AtLIExZ. Bulbous or fascicled-rooted, scapigerous plants. 
