32. LILIACEAE I27 



medicine or as ornamental plants. " Squill." (Including Endymion 



Dumort.). Scilla L. 



Perianth-segments obscurely many-nerved, white or yellow and usually 

 striped, rarely brownish or greenish. Stamens usually free from the 

 perianth and with flattened filaments. — Species 90. Some have edible 

 bulbs Ornithogalum L. 



18. Perianth-tube cylindrical, linear or oblong in section 19 



Perianth-tube bell-, urn-, funnel-, or saucer-shaped 23 



19. Perianth-segments very short and broad, more or less ovate. . . 20 

 Perianth-segments narrow and more or less elongated 21 



20. Perianth falling off after flowering. Stamens inserted below the throat ; 



filaments very short. Ovules numerous. Seeds flattened. Leaves 

 awl-shaped. Flowers solitary or in pairs. — Species i. South Africa. 



Litanthus Harv. 

 Perianth withering. Stamens inserted in the middle of the tube ; filaments 

 thread-shaped. Ovules 2 in each cell. Seeds thick. Leaves strap- 

 shaped. Flowers in dense racemes. — • Species 3. South Africa. Used 

 as ornamental plants Veltheimia Gled. 



21. Seeds flattened. Anthers linear. Perianth-segments unequal, the outer 



spreading, the inner erect, as long as or shorter than the outer. Leaves 



linear, usually more than 2. — ■ Species 60 Dipcadi Medik. 



Seeds thick. Anthers oblong. Perianth-segments equal or, if unequal, 

 the inner usually longer than the outer. Leaves oblong or lanceolate, 

 more rarely linear, usualty 2 22 



22. Perianth-segments equal, lanceolate, shorter than the tube. Stamens in- 



serted at the throat of the perianth. Leaves 2, oblong. — ■ Species 10. 



South Africa Polyxena Kuntb 



Perianth-segments more or less unequal in length, oblong or spatulate. 

 Stamens inserted in the tube of the perianth. — Species 40. South 

 Africa. Some are used as ornamental plants. . Lachenalia Jacq. 



23. Perianth-segments very short, usually blue 24 



Perianth-segments half as long as the tube or longer 25 



24. Perianth urn-shaped. Ovules 2 in each cell. — Species 7. North Africa. 



Several species serve as ornamental plants ; the bulbs ' are used in 



medicine and as a substitute for soap. Muscari Mill. 



Perianth bell-shaped. Ovules 5 — 6 in each cell. — Species i. Madagascar. 



Rhodocodon Bak. 



25. Perianth-segments unequal, the inner longer. Leaves 2, rarely 3 — 5. 



(See 22.) Lachenalia Jacq. 



Perianth-segments nearly equal 2h 



26. Perianth with a very short tube and spreading segments. Filaments 



united at the base. Leaves 2, broad. Flowers in spikes. — Species i. 



South Africa (Cape Colony) Whiteheadia Harv. 



Perianth with a more or less elongated tube, very rarely with a short tube, 

 but with erect segments. Leaves 2, narrow, or more. ... 27 



