XXXIX. OLACiNEiE. (Maxwell T. Masters.) 573 



elsewhere. Griffith, Miers, and following them Baillon, Engler, and others, opnsider 

 the leacinece to form a separate Order, an arrangement probably more natural than 

 that which is here followed on the ground of expedienpy, though Oliver's genus 

 Ptdeocarpa is to Bome extent intermediate, 



Tetbe I Olaceae. Stamens anisoineroua, or equal and opposite to the 

 petals. Ovary 2-3-5^ceIled at th.e basej 1-oelled at the apex, or completely 

 1-celled ; ovules pendulous. 



* Fertile stamens anisomerous or timce or thrice the number of the petals. 



Leaves alternate. Fertile stamens 10 1. Ximenia, 



Leaves alternate. Fertile stamens 3-5 2. Olax, 



Leaves alternate. Fertile stamens 12-15 3. Oohanobtaohts. 



Leaves opposite. Fertile stamens 10 4. Ctenolophon. 



** Fertile stamens isomerous with and opposite to the petals. 



Calyx adherent to the fruit. Staminodes 6. Ovary 1-celled . 5. Erttheopalum. 



Calyx adherent to the fruit. Staminodes 0. Ovary 3-5-celled . 6. Steombosia. 



Calyx not adherent to the fruit. Staminodes 6. Ovary 1-celled 7. Anaoolosa. 



Calyx adherent to the fruit. Staminodes 0. Ovary 3-eelled . 8. Schqsppia. 



Teibe II. OpUiese. Stamens isomerous, opposite to the petals or lobes 

 of the perianth. Ovary 1-celled, 1-ovuled. 



* Flowers monochlamydeous. 



Bracts small. Staminodes 5. Ovule erect 9. Cansjera. 



Bracts conspicuous, hop-like. Staminodes 0. Ovule pendulous 10. Lepionujsus. 



** Flowers dichlamydeom. 

 St^niinodes 5 11. Opilia. 



Tribe III. Xcaclneae. Stamens isomerous, alternate with the petals. 

 Ovary 1-2-ceUed, with 1-2 ovules pendulous from the top of the cell ; 

 •rarely perfectly 2-3-oeUed with 1-2 ovules in each cell. 



* Calyx ouprshaped, denticulate, valvate. 



Petals glabrous within. 

 Filaments bearded, hairs curving over the anther ; anthers 



adnate. Style subulate . . 12. IiAsianthera. 



Filaments glabrous or with short hairs only ; anthers pendu- 

 lous. Stigma discoid ... 13. Gomphandea. 



Filaments glabrous ; anthers innate, sagittate at the base. 



Ovary oblique .... 14. Apodttes. 



Petals villous within. Ovary ovoid 15. Mappia. 



** Calyx deeply 5-parted, lobes imbricate. 



Flowers unisexual. Ovary 1-celled 16. PHLEBOCALTMifA. 



Flowers hermaphrodite. Ovary 2-celled, Fruit dry, winged , 17. Ptelbocarpa. 



Tribe IV. Phytocrenoae. Flowers (except in lodes) and fruit as in 

 leacinece. Ertibryo more developed, cotyledons broad fleshy or foliaoeous. 

 —Climbers. 



Stamens alternate with the petals. 

 Flowers capitate. 

 Drupe echinate or bristly. Albumen deeply lobed . . . 18. Phitooeene. 

 Drupe smooth. Albumen slightly lobfd 19. Miqueua. 



