150 



DE CANDOLLE'S SYSTEM. 



112. Cmcutacea. Leafless parasites. Calyx permanent, 

 inferior, 4-5-parted, imbricated. Corolla permanent, imbri- 

 cated. Scales alternating with segments of corolla. Stamens 

 opposite the last. Ovary 2-celled ; ovules in pairs, erect ; 

 styles 2. Capsule. Embryo spiral, in fleshy albumen. 



USES. Unknown. 



TYPICAL GENUS. Cuscuta. 



113. Cordiacete. Trees. Leaves scabrous, without sti- 

 pules. Calyx inferior, 5-toothed. Corolla regular. Stamens 

 alternate with the segments of the corolla. Ovary 4-celled, 

 with 1 pendulous ovule in each cell ; stigma 4-cleft. Fruit 

 drupaceous, 4-celled. Seed pendulous by a funiculus ; cotyle- 

 dons plaited ; albumen 0. 



USES. Unimportant. Sebesten plums, an emollient muci- 

 laginous fruit, are produced by Cordia Myxa, and Sebestena. 



TYPICAL GENUS. Cordia. 



114. Boraginaceee. Herbaceous plants, or shrubs. Stems 

 round. Leaves alternate, covered with asperities. Flowers in 

 gyrate racemes (scorpioid). Calyx inferior, permanent. Co- 

 rolla hypogynous, regular. Stamens 5, inserted upon the 

 corolla. Ovary 4-parted, 4-seeded ; style simple ; stigma 

 simple or bifid. Nuts 4, distinct. Seed without albumen. 



USES. The dye called Alkanet is obtained from the roots 

 of Anchusa tinctoria and several other species. The foliage is 

 insipid and harmless. 



TYPICAL GENERA. Myosotis, Anchusa, Lithospermum. 



