34- AMARYLLIDACEAE 137 



14. Perianth divided nearly or quite to the ovary 15 



Perianth with a distinct tube. , 19 



15. Perianth divided to the ovary, white, rarely reddish. Flowers regular, 



middle-sized, solitary or in few-flowered umbels. [Subtribe galan'- 



THINAE.] 16 



Perianth with a short tube, usually red. Flowers more or less irregular, 

 in umbels. [Subtribe amaryllidinae.] 17 



16. Perianth-segments spreading, whitish. Anthers deeply sagittate at the 



base. Flowers erect, in umbels. — Species i. North-west Africa. 



Lapiedra Lag. 



Perianth-segments converging. Anthers slightly sagittate at the base. 



Flowers drooping. — Species 3. North-west Africa. Used as ornamental 



plants and in medicine ; the bulb is edible Leucoium L. 



17. Filaments thickened at the base. Stigma 3-lobed. Fruit obtusely angled, 



3-valved. — Species 17. South Africa to Damaraland. Some are used 



as ornamental plants. [Imhofia Heist.) Nerine Herb. 



Filaments thread-shaped, free. Stigma entire 18 



18. Ovules sunk in the placentas. Ovary oblong. Fruit obtusely angled, 



bursting irregularly. Perianth-segments oblong. Flowers drooping. — 

 Species i. South Africa (Cape Colony) ; also naturalised in the Canary 

 Islands, Madeira, and the Azores. Used as an ornamental plant ; the 



bulb is poisonous Amaryllis L. 



Ovules not sunk in the placentas. Ovary top-shaped. Fruit acutely 

 angled, 3-valved. — Species 10. South Africa and southern Central 

 Africa. Some are used as ornamental plants. . Brunsvigia Heist. 



19. Flowers solitary. [Subtribe zephyranthinae.] 20 



Flowers in umbels occasionally reduced to a single flower. [Subtribe 



CRiNiNAE.] 22 



20. Perianth with a short tube, funnel-shaped, yellow. Filaments long. 



Anthers oblong, attached at the back near the base. Scape above- 

 ground. — Species i. North-west Africa (Algeria). Used as an orna- 

 mental plant Sternbergia Waldst. & Kit. 



Perianth with a long tube. Filaments very short. Anthers linear, attached 

 at the base. Scape underground 21 



21. Perianth salver-shaped, yellow or whitish. Stamens in a single row. — 



Species 9. South Africa (Cape Colony). The fruit of some is eaten or 



used in medicine Gethyllis L. 



Perianth funnel-shaped, white or reddish. Stamens in 2 rows. — Species 

 5. South Africa Apodolirion Bak. 



22. Perianth-tube perceptibly shorter than the limb 23 



Perianth about as long as or longer than the limb 26 



23. Flowers rather small, yellow or yellowish- white, almost regular. Perianth- 



segments lanceolate, slightly longer than or twice as long as the tube. 

 Stigmas 3. — Species 2. South and East Africa. Anoiganthus Bak. 



