CCII. EUPHORBIACE^. 



693 



Sub-tribe IV. AGROSTOSTACHYDE.S;. Calyx regularly valvato. Petals of $ double the 

 sepals in number. Stamens central. Agrostostachys. 



Sub-tribe V. CROZOPHOKE.E. Calyx regularly valvate. Petals equalling the sepals in 

 number, or 0. Stamens central. Sarcoclinium, Ricinella, Argyrothamnium, Crozophora, &c. 



Sub-tribe VI. CAPERONIEJE. Calyx regularly valvate. Petals as many as the sepals, or 

 obsolete. Stamens inserted around a sculptured rudimentary ovary. Caperonia, Leucocroton. 



Sub-tribe VII. CCELODISCE^;. Flowers apetalous. Stamens inserted around a broad 

 central disk. Coelodisciis. 



Sub-tribe VIII. CEPHALOCROTONE^;. Flowers apetalous. Stamens inserted around the 

 base of a rudimentary ovary. Cephalocroton, &c. 



Sub-tribe IX. EUACALYPHE.E. Flower apetalous. Stamens central, not polyadelphous. 

 Phillenetia, Claoxylon, Mercurialis, Acalypha, Alchornea, [Ccelelogyne,] Bernardia, Tragia, Trewia, 

 Matlotus, Cleidion, Macaranga, &c. 



Sub-tribe X. RICINE.E. Flowers apetalous. Stamens polyadelphous, with no rudiment 

 of an ovary. *Ricinus, Homonoya. 



* * Flowers $ only involucrate. Involucre catyciform, \-flowered. 



Sub-tribe XI. DIPLOCHLAMTDE^!. Stamens central, without a rudimentary ovary. 

 Diplocldamys. 



Sub-tribe XII. EPIPRINEJ;. Stamens inserted around a rudimentary ovary. Epiprimis. 



* * * Flmvers $ and 9 involucrate. Involucre bud-like, many-flowered. 

 Sub-tribe XIII. PERE.S. Stamens central, without a rudiment of an ovary. Pern. 



Calycopeplus. 



9 flower in its involucre, 



cut vertically. 



Calycopeplus. 



<J flower-bud at the bottom 

 of the open involucre. 



ffifpomane Mancindla. 



Coelebotjyne ilicifolia. 

 9 flower. 



Hura fitpilans. 



flower, entire and cut vertically 

 (mag.). (From M. Baillcn). 



