COIL EUPHOEBIACE^. 



693 



Sub- tribe IV. Ageostostachtdej!. — Calyx regulaxly valvate. Petals of £ double tbe 

 sepals in number. Stamens central. Agrodostachys. 



Sub-tribe V. CEOZOPHOREiE. — Calyx regularly valvate. Petals equalling the sepals in 

 number, or 0, Stamens central. Sareoclmium, Biicinella, Argyrothamnmm, GrozopJiora, &c. 



Sub-tribe VI. Capeeonibji. — Calyx regularly valvate. Petals as many as tbe sepals, or 

 obsolete. Stamens inserted around a sculptured rudimentary ovar'y. Oaperonia, Leucocroton. 



Sub-tribe VII. Coblodiscej!. — Flowers apetalous. Stamens inserted around a broad 

 central disk. Gcelodiscus. 



Sub-tribe VIII. CephaloceotoRbj!. — Flowers apetalous. Staniens inserted around tlie 

 base of a rudimentary ovary. Oephalooroton, &c. 



Sub-tribe IX. Euacaltphej). — Flower apetalous. Stamens central, not polyadelpbous. 

 Phillenetia, Glaoxylon, Merawi-ialis, AcalypJia, AlcJwrnea, [Ccelehogyne,'] Bernardia, Tragia, Trewia, 

 Mallotus, Gleidion, Macaranga, &o. 



Sub-tribe X. Ricine^. — Flowers apetalous. Stamens polyadelpbous, with no rudiment 

 of an ovary. *B,icinus, Homonoya. 



* * Flowers $ only mvolucrate. Involucre oalyciform, 1-flowered. 

 Sub-tribe XI. DiPLOCHLAMTDEiB. — Stamens central, without a rudimentary ovary. 

 DiplocJila/mys. 



Sub-tribe XII. Epipeinbj!; — Stamens inserted around a rudimentary ovary. Upvprmus. 



* * * Flowers $ and $ involuorate. Involucre h2id-like, many-flowered. 

 Sub-tribe XIII. PBEEiE. — Stamens central, without a radiment of an ovary. Pera. 



Calycopeplus. 



9 flower in its involucre, 



cut vertically. 



Calycopeplus. 



S flower-bud at the bottom. 



of the open involucre. 



Calycopeplus, J flower. 



Hijfpomane Mctncinella, 



Coelebogyne ilici/olia, 

 9 flower» 



Hura crepilans, 



$ flower, entire and cut vertically- 



(mag.). (From M. Baillon), 



