Cl. 15.] EUPHORBL7E. 1 &5 



sessile or stalked. Some have several Styles, often 3, 

 and a Capsule with as many cells, with 1 or 2 Seeds 

 in each : others have only 1 Style, with 3 or more 

 Stigmas, and a Fruit of a corresponding number of 

 cells, each containing 1 or 2 Seeds. The cells are 

 each lined with 2 elastic valves ; the Seeds half-tuni- 

 cated, attached to the upper part of a permanent cen- 

 tral column. Embryo flat, inclosed in a fleshy Al- 

 bumen. Plants herbaceous, shrubby, or arboreous; 

 some milky. Leaves alternate or opposite, rarely 

 wanting, either with or without Stipulas." 



Sect. 1. Styles several, definite, usually 3. Mcrcu- 

 rialisj Euphorbia, fig. 268, Argythamnia Browne, 

 Cicca, Phyllantlius, Xylophylla, Kirgandia Juss., 

 Kiggelaria, Cluytia, Andrachne, Agyneia, Bu.rus, 

 fig. 269, Securinega Commers., Adelia, Mabea Aubl., 

 RicimiSy Jatropha, Siphonia Schreb. 656 (Hevea 

 Aubi.,, Akurltes (including Dryandra of Thunberg), 

 Croton, A^nlijpha, Caturus, and Excoecaria. 



Sect. 2. Style solitary. Tragia, Stillingia, Saplum 

 Browne, Hippomane, Aegopricon (Maprounea Aubl.), 

 Sechium Browne, Hura, Omphalea, Plukenetia (which 

 has certainly Stipulas), and Dakchampia. 



Jussieu has hinted an ingenious idea respecting the 

 genus Euphorbia, which Mr. Brown, Bot. of Terra 

 Austr. 24, has fully developed, that the Flowers, even 

 in this instance, are monoecious. The Calyx and 

 petals of Linna3us are considered by these writers as 

 an Jnvolucrum, containing several Barren Flowers, 



