SYNOPSIS OF GENERA. 



Cal. campanulate. Pet. 4 5, expanded. Ftt. recurved 

 backwards. Caps, echinate. Hippocastanea, p. 65. 



OCTANDRIA. 



MONOGYNIA. 



* Flowers superior. 



RHEXIA. Cal. ventricose-ovate at base ; limb 4-cleft. Pet. 4, obo- 

 vate. Caps, included in the calyx, 4-celled. Seeds numerous, cochle- 

 ate. Melastomacea, p. 127. 



OENOTHERA. Cal 4.sepalledf sepals united into a long 4-sided or 

 8-ribbed tube ; limb and part of the tube caducous. Cor. 4-petalled. 

 Stig. 4-cleft, or spherical. Caps. 4-celled, 4-valved, many-seeded. 

 OnagraricB, p. 117. 



GAURA. Cal. 3 4-sepalled ; sepals united into a long obovate tube; 

 limb caducous. Cor. 3 4-petalled. . Seeds I 4, not crowned with 

 pappus. Onagraria, p. 117. 



EPILOBIUM. Cal. 4-sepalled ; sepals united into a long 4-sided tube; 

 limb caducous. Pet. 4. Caps, elongated, 4-celled, 4-valved, many- 

 seeded. Seeds crowned with pappus.. Onograria, p % 116. 



OXYCOCCUS. Cal. superior, 4-cleft. Cor. 4-parted ; segments sub- 

 linear and re volute. Fil. converging. Anth. tubular, 2- parted. #r, 

 many-seeded. Vaccinea, p. 225. 



** Flowers inferior. 



MENZIESIA. Cal. deeply 5-cleft. Cor. ovate, 4 5-cleft. Stam. in- 

 serted into the receptacle. Caps. 4 5-celled, the partitions formed by 

 the inflexed margins of the valves. Seeds numerous, oblong. Eiice<e, 

 p. 218. 



ACER. Fl.. mostly polygamous. Cal. 5-lobed, or 5-parted. *Pet. 5, 

 or none. Caps 2, each with a long membranous expansion, (samara} 

 wnited at base, 1 -seeded. Acerinea, p. 63. 



DIRCA. Perianth coloured, campanulate ; border obsolete. Stam. 

 unequal, exserted. Ber. 1-seeded. Thymelea, p. 306. 



JEFFERSONIA. Cal. 4-sepalled. Pet. 8. Caps, obovate, opening be- 

 low the top by semicircular foramen. Seeds many, arillate at base. 

 Podophyttcce, p. 18. 

 ^,y TRIGYNIA. 



POLYGONUM. Perianth 4 6-parted, petaloid, persistent. Nut 1-seed- 

 ed, mostly triangular. Polygonece, p, 300. 



ENNEANDRIA. 

 MONOGYNIA. 



LAURUS. Perianth 4 5-cleft, equal. Stam. 812, in a double row ; 

 outer ones all fertile ; alternate inner ones fertile and furnished at base 

 with 2 appendices or glands, (nectary.) Drupe fleshy. Laurinea, p. 



^*vO 



DECANDHIA. 



MONOGYNIA. 



* Flowers regular. 



Cal. superior, 4 3-toothed. Cor. urceokte or cam 



