68 MEDICAL BOTANY. 



Order 4. — Menispermace^e. — Albumen sparing, solid. Seeds amphitro- 

 pous. Embryo large. 



Order 5. — Myristicace^e. — Albumen copious, ruminated. Sepals united 

 into a valvate cup. 



Group III. — Berberales. 



Flowers unsymmetrical in the ovary. Placentae sutural, parietal or axile. 

 Stamens definite. Embryo enclosed in a large quantity of fleshy albumen. 



Order 6. — Berbericacejs. — Flowers regular, symmetrical. Placentae 

 sutural. Stamens opposite the petals. Anthers usually with recurved valves. 



Order 7. — Fumariace^e. — Flowers unsymmetrical and irregular. Pla- 

 centae parietal. Stamens opposite the petals. 



Group IV. — Nymphales. 



Ovaries several ; either distinct or united into a compound pistil. Stamens 

 indefinite, inserted on the receptacle. Embryo on the outside of a large 

 quantity of albumen, or if the latter be wanting, seeds with a large plumule. 



Order 8. — Nymph.eaceje. — Carpels united into a many-celled fruit, with 

 dissepimental placenta. 



Group V. — Papaverales. 



Ovary compound, parietal placentae. Calyx free from the ovary. Stamens 

 apd petals inserted on the receptacle. Sepals deciduous. Styles or stigma 

 united. 



Order 9. — Papaveracejs. — Carpels consolidated. Calyx deciduous. 

 Placentae usually parietal. 



Group VI. — Cruciferales. 



Ovary compound with parietal or sutural placentae. Embryo spiral or 

 curved, with little or no albumen. 



Order 10. — Brassicace^e. — Stamens tetradynamous. Flowers tetrame- 

 rous. Seeds exalbuminous. 



Order 11. — Capparidace;e. — Stamens not tetradynamous. Flowers te- 

 tramerous. Seeds exalbuminous. Fruit closed. 



Order 12. — ResedacejE. — Stamens not. tetradynamous, definite. Flowers 

 not tetramerous. Seeds exalbuminous. Fruit usually open at tip. 



Order 13. — CisTACEiE. — Stamens generally indefinite. Flowers tri or 

 quinquepetalous. Seeds with albumen. Fruit closed. 



Group VII. — Violales. 



Ovary compound with parietal or sutural placentae. Calyx free from the 

 ovary. Embryo straight, with little or no albumen. 



Order 14. — Violace^e. — Flowers polypetalous. Calyx many-leaved. 

 Petals hypogynous. Stamens all perfect ; anthers crested and turned in- 

 wards. Fruit consolidated. Seeds albuminous. 



Order 15. — Flacourtiace^e. — Flowers scattered, mostly polypetalous. 

 Petals and stamens hypogynous. Leaves dotless, or with round ones only. 



Order 16. — Passiflorace^e. — Flowers polypetalous or apetalous, coro- 

 neted. Petals perigynous, imbricated. Stamens on the stalk of the ovary. 

 Styles simple, terminal. Seed arillate. Leaves stipulate. 



Order 17. — Samydace^e. — Flowers scattered, apetalous, tubular, herma- 

 phrodite. Leaves dotted. Stamens perigynous. 



