II. SVNOITKJAL KKV TO THE OltDKIlS, «fec. 



Division 1. POLYrKTAL/K. IVtals distinct, or ncnrly so (sometimes wanting). 



A. Stamens liypogynous (free both from the calyx and fmm the superior ovary). 



» Carpels solitary or distinct. 

 -H Sepals nnd petals deciduous (rarely persistent in No. 1). Leaves alternate (opposite in climb- 

 ers), or radical : stipules none. 



1. Ranxmculacese, p. 2. Sepals (4 or more), petals (as many and alternate with them, when 

 present), sUiinens (usually numerous), and carpels (1 to many) all distinct and free. 

 Fruit akenes or follicles (in Achr.a a solitary berry). Mostly herbs. 

 '1. Berberidaceae, p. It. Parts of the flower in threes, in op]io.sito rank.s, distinct (sepals and 

 petals wanting in yichh/s, and stamens 9). Carjiel solitary (a berry in Berhcrit). An- 

 tlicr.s opening by valves. Perennial herbs or shrubs, with compound leaves. 



Carpels several, soon flistinct, becoming linear torulose several-seeded pods. Sepals 3 : petals 6 : 

 sUimens many. Annual ; leaves entire, mostly opposite. Pi-atystemon in Pnpixvernceac. 



('arpel solitary, becoming a .spinose pubescent 1-seeded nut. Flowers irregular : sepals and i)ct- 

 als, 5: stamens 4. Pubescent shrubs, with simple leaves. K ham Km a in Pohjgdlncca-. 



+- +- Sepals persistent ; petals deciduous. 



Carpel solitary, becoming a globose drupe. Flowers 4-mcrous. Smooth shrub, with opi>osite 



entire pungent leaves. (!nf.oiui)IUM in Rytncrcc. 

 Carpel solitary, becoming a few- to many-seeded 2-valved or indehiscent pod. Flowers 5-merou3 : 



stamens 10 or many. Small trees, with bipinnate leaves and small flowei-s in spikes or 



heads. MiMosKif; in Legicmiiioscc. 

 Follicles several. Fleshy plants, with stamens nearly hypogj-nous. CRA.ssuLACEiE. 

 Follicles 2. Anthers attached to the stigma. Herbs ; leaves opposite, entire. Asclepiadacf..*- 



-(- -t- -t- Sepals and petals pei-sistent 



Carpels liei'omiiig iiidi'luHcent 1 2-see(led pods. Sepfils and netals 11 or I : MlamenH mnny. Per- 

 enniul a(iualic, with polliilo JeavcH. Miiahknia in tSi/iii/iliirnrnr. 



♦ ♦ Ovary compound, with parietal pluecntro or soods covering the cell-walls. 



-1- Capsule many-celled, indehiscent. Sepals and petals persistent. 



3. Nymphseaceae, p. 16. Parts of the flower indefinite, mostly numerou.s. Seeds numerous, 

 covering the walls of the cells. Perennial aquatic, with cordate entire leaves and soli- 

 tary flowers. 



-»- +- Valves separating from the persistent placenta;. Sepals (2 or 4) and jK-tals deciduous. 



+ f Seeds albuminous. 



f). Papaveraceae, p. If^. Sepals 2 or 3, caducous : petals twice as many, alike : stamens n\\- 

 melons. ('a]isule 2 -scveral-valved, 1 -celled (.several-celled in /inninriti). Herl'* (very 

 rarely .sliruhl)y), with mostly alternate leaves, no stipules, and often colored juice. 



6. Fumariaceae, p. 23. Flowers very irregular : sepals 2, .small : jiefals 4, in dissimilar pairs : 



stimens 0, iliadelphous. Pod 1 -celled, 2-valved, several -many-seeded. Perennial herbs, 

 Willi alternate dissected leaves and no stipules. 



♦ f +t Seeds without albumen. Flowers irgular. 



7. Cruclferae, |). 2r>. Sepals and petals 4 : stamens R, tetmilynamous (rarely 4, 2, or none). 



Pod 2-ccllcd, 2-valved, 2 - niany-socde<l (mirly 1-celled "nnd indrhisconi). Herbs, with 

 allcrnntc leaves and no stipules. 



8. Capparidaceaa, )). 40. Sepals and petals 4 : stamens fi or more, nearly equal. Pod 2-vnlved, 



I 2-(clIed. 1 - several -seeded. Mostly anininl herbs (/«(>»ir»-M sbrnbby). with nltemntr 

 compound leaves, often stipulnte. 



