Xl INTRODUCTION 



§§ Ovary syncarpous ; carpels many ; ovules many. 



Order 3. Nytnpluedcca (The Wa'ter-lily Family). — \Vater- 

 plants with floating leaves ; solitary, large polysymmemc flowers; 

 petals many, gradually passing into stamens ; stamens indefinite ; 

 carpels enclosed in cup-like disk; ovules superficial, (p. 21.) 



Okder 4. PapaverdcecB (Tlie Poppy Family). — Herbs with 

 milky Juice ; scattered leaves ; conspicuous polysymmetric 

 flowers ; sepals 2, caducous ; petals 4 ; ptamens indefinite ; ovules 

 superficial or parietal ; fruit capsular, (p. 24.) 



§§§ Ovary syncarpous, i — 2-chambered ; carpels 2 — 5 ; ovules 

 parietal. 



Order 5. Fninai-idcea: (The Fumitory Family). — Herbs with 

 watery juice ; divided leaves ; flowers in bracteate racemes, 

 monosymmetric ; sepals 2 ; petals 4, ihe inner pair coherent ; 

 stamens 4, diadelphous ; carpels 2;; ovary one-chambered, 

 (p. 29.) 



Order 6. Criicifei'ce (The Cabbage I'amily). — Herbs, often 

 pungent, with scattered, e.xstipulatc, simple leaves ; flowers in 

 ebracteate racemes, polysymmetric ; sepals 4 ; petals 4 ; stamens 

 6, tetradynamous ; carpels 2 ; ovary two-chambered ; fruit a 

 siliqua. (p. 31.) 



Order 7. Keseddcea (The Mignonette Family). — Herbs, with 

 scattered, exstipulate leaves; flowers; • greenish, in bracteate 

 racemes, monosymmetric; sepals 4 — 7, persistent; petals 4 — 7; 

 stamens indefinite ; carpels 3 ; o\-ary oi)e-chambered. (p. 59.) 



Order 8. Cistineie (The Rock-Rose Family). — Undershrubs 

 with entire, o[)posite leaves ; conspicuous polysymmetric flowers; 

 sepals 3 — 5 ; petals 5 ; stamens indefini^te ; carpels 3 ; ovary one- 

 chambered, (p. 61.) 



Order g. Moldceie (The Violet Fa'niily.) — Flerbs with scat- 

 tered, stipulate, simple leaves ; flowery monosymmetric ; sepals 

 S ; petals 5, i-spurred; stamens 5 ; carpels 3 ; ovary one-chambered; 

 ovifles many. (p. 63.) 



Order 10. I'o/ygaldicir (The Milkwort Familv). — Herbs with 

 scattered, exstipulate, simple leaves; flowers in racemes, mono- 

 symmetric ; sepals 5, the inner ones pctaloid ; petals 3 — 5 ; 

 stamens 8, diadelphous; carpels 2 ; ovar)' two-chambered ; ovules 

 2. (11. 66.) 



Order n. Fratikeiiidteif (The Sea Hcatli Familv). — .-V herb 

 with opposite, exstipulate leaves ; small, axillarv, pol\synimetric 

 flowers; sepals, petals, and stamens 4,~6 each; carpels 2 — 5 ; 

 ovary one-chambered, (p. 07.) 



