136 34- AMARYLLIDACEAE 



Perianth salver- or bell-shaped, with a more or less elongated tube. — 

 Species 10. North Africa. Used as ornamental plants, in the prepara- 

 tion of perfumes, and in medicine ; some species are poisonous. (In- 

 cluding .4 wr^?//« Gay and roW'?//«?-/« Haw.) .... Narcissus L. 



6. Perianth salver-shaped, with a cylindrical tube and linear segments, white. 



Corona funnel-shaped. Ovary with 2 ovules in each cell. — Species i. 

 West Africa. Used as an ornamental plant. [Subtribe eucharidinae.] 



Hymenocallis Salisb. 

 Perianth funnel-shaped. Ovary witli many ovules in each cell. [Subtribe 



PANCR,\T1INAE.] 7 



7. Flowers white, regulai'. Corona large, cup-shaped. Stigma i. — Species 



8. Northern and tropical Africa. Some are used as ornamental plants, 

 for the preparation of starch, and in medicine. . . . Pancratium L. 

 Flowers red, slightly irregular. Corona reduced to a crown of hairs. 

 Stigmas 3. — Species 2. Naturalised in the West African islands St. 

 Thomas and Princes Island. Ornamental plants. Hippeastrum Herb. 



8. (2.) Ovules I — 6 in each cell of the ovary. Perianth-segments free or 



un.ited below into a short tube. [Subtribe haemaxthinae.] 9 



Ovules many in each cell of the ovary 14 



g. Perianth divided nearly or quite to the ovary. Spathe consisting of two 



narrow bracts 10 



Perianth with a distinct tube. Spathe of two broad bracts or of more than 



two bracts. Anthers oblong, attached by the back 11 



10. Anthers globose, attached by the base. Ovules i^ — 4 in each ovary-cell. 



Perianth red. — Species 10. South Africa. Some are used as ornamental 



plants. (Including Ccirpoly:a Salisb.) Hessea Herb. 



Anthers oblong, attached by the back. Ovules 5- — 6 in each ovary-cell. — 

 Species 5. South Africa Strumaria Jacq. 



11. Ovules 5 — 6 in each ovary-cell. Perianth reddish-yellow, funnel-shaped. 



Spathe of more than 2 bracts. Leaves linear. — Species 3. South 



Africa. Used as ornamental plants Clivia Lindl. 



Ovules I — 4 in each ovary-cell 12 



12. Spathe consisting of 2 bracts. Pedicels long. Periantli red, salver-shaped. 



Fruit a capsule. Leaves linear. — Species 4. South Africa and southern 

 Central Africa. Used for the preparation of arrow-poison, in medicine, 



and as ornamental plants Buphane Herb. 



Spathe consisting of more than 2 bracts. Pedicels short or rather short. 

 F""ruit a berry 13 



13. Filaments shorter than the anthers. Perianth-tube very short. Umbels 



rather few-flowered. Leaves very long and narrow, strap-shaped. — 

 Species I. West Africa (Congo). Demeusea De Wild. & Th. Dur. 



Filaments as long as or longer than the anthers. Perianth-tube long. 

 Umbels many-flowered. Leaves rather short. — Species 45. South and 

 Central Africa. Some are poisonous or are used as ornamental or 

 medicinal plants. (Including Choananthiis Rendle) Haemanthus L. 



