244 

 Menispermales 



EXOGENS. 



Flov;ers monodichlamydeous ; carpels superior, disunited; 



embryo surrounded by abundant albumen. 

 Cucurbitales. — Flowers monodichlamydeous ; carpels inferior ; placentas 



parietal ; embryo without albumen. 

 Papayales. Floicers dichlamydeous ; carpels superior, consolidated; 



placenta? parietal ; embryo surrounded by abundant 



albumen. 



Sub-Class II. HYPOGYNOUS EXOGENS. 



Flowers £ , or <J g 9 ; stamens entirely free from the calyx and corolla. 



Violales. — 



ClSTALES. — 



Malvales. — 

 Safindales. — 

 guttiferales. 



Nymphales. 



Ranales. — 

 Berberales. — 



ERICALE3. 



RUTALES. — 



Geraniales. — 



s ilex ales. 



Flowers monodichlamydeous ; placenta? parietal or sutu- 



ral; embryo straight, with little or no albumen. 

 Flowers monodichlamydeous; placenta? parietal or sutural; 



embryo curved or spiral, with little or no albumen. 

 Flowers monodichlamydeous ; placenta? axile ; calyx vat- 

 vale in aestivation; corolla imbricated or twisted; sta- 

 mens definite or 00 ; embryo with little or no albumen. 

 Floicers monodichlamydeous, unsymmetrical ; placenta? 

 axile ; calyx and corolla imbricated ; stamens definite ; 

 embryo with little or no albumen. {Stamens rarely 00.) 

 Flowers monodichlamydeous ; placenta? axile ; calyx im- 

 bricated; corolla imbricated or twisted; stamens 00 ; 

 embryo with little or no albumen. (Stamens sometimes 

 definite in number.) 

 Flowers dichlamydeous ; placenta? axile or sutural ; sta- 

 mens 00 : embryo on the outside of a very large quantity 

 of mealy albumen. (A part have no albumen.) 

 Flowers monodichlamydeous ; placenta? parietal, sutural 

 or axile ; stamens 00 ; embryo minute, inclosed in a 

 large quantity of fleshy or horny albumen. 

 Flowers monodichlamydeous, unsymmetrical in the ovary ; 

 placenta; sutural, parietal, or axile ; stamens definite ; 

 embryo inclosed in a large quantity of fleshy albumen. 

 Flowers dichlamydeous, symmetrical in the ovary ; pla- 

 centa? axile ; stamens definite ; embryo inclosed in a 

 large quantity of fleshy albumen. (Stamens occasion- 

 ally adherent to the corolla.) 

 Flowers monodichlamydeous, symmetrical; placenta; axile; 

 calyx and corolla imbricated, if present ; stamens defi- 

 nite ; embryo with little or no albumen. (Occasional! u 

 8 2.) 

 Flowers monodichlamydeous, symmetrical ; placenta? 

 axile ; calyx imbricated ; corolla twisted ; stamens 

 definite ; embryo with little or no albumen. 

 Flowers monodichlamydeous; placenta free, central; 

 embryo external, curved round a little mealy albumen ; 

 carpels more than one, completely combined into a com- 

 pound fruit. (Some slightly pcrigynous, others c? ?■) 



