SYNOPSIS OF GENERA. XXVll 



Order II. DECANDRIA. Stamens 10. 



GERANIUM. Style \. Fruit beaked, of 5 aggregate capsules, each 

 tipped with a recurved naked awn. Geraniacece, p. 65. 



Order III. POLYANDRIA. Stamens numerous. 



LAVATERA. Styles numerous. Outer calyx 3-lobed. 

 single-seeded. Malvaceae, p. 3?. 



MALVA. Styles numerous. Outer cal. of 3 leaves. Caps, whorled, 

 single-seeded. Malvacece, p. 36. 



ALTHJEA. Styles numerous. Outer cal. in 9 segments. Caps, whorled, 

 single-seeded. Malvaceae, p. 37. 



Class XVII. DIADELPHIA. Filaments combined ; in two sets. 

 Order I. HEXANDRIA. Stamens 6. 



FUMARIA. Cal. of 2 leaves. Cor. ringent, prominent, and bearing honey 

 at the base. Each filament with three anthers. Fumariacece, p. 16. 



CORYDALIS. Cal. of 2, small, deciduous leaves. Pet. 4, one of them 

 gibbous or spurred at the base. Pod 2-valved, compressed, many-seeded. 

 Fumariacece, p. 15. 



Order II. OCTANDRIA. Stamens 8. 



POLYGALA. Two segments of the calyx like wings. Standard of the 

 corolla cylindrical. Caps, of 2 cells and 2 valves. Seeds solitary, crested. 

 Polygalece, p. 35. 



Order III. DECANDRIA. Stamens 10. 



* Stamens all connected at the base, the tube mostly split along its upper 



side. 



The plants of this Order constitute the Natural Order Leguminosce. 



SPARTIUM. See Cytisus, p. 75. 



GENISTA. Fllam. upwards in 2 sets. Stigma terminal, somewhat capi- 

 tate. Legume turgid. Pistil depressing the keel. Standard reflexed. 

 P- 74. 



ULEX. Cal. of 2 leaves, nearly as long as the legume, p. 74. 



ANTHYLLIS. Cal. inflated, including the legume, p. 75. 



ONONIS. Cal. in 5 deep segments. Legume rhomboid, sessile. Standard 

 striated, p. 75. 



* * Stigma, or style, downy ; without the character of the former section. 



OROBUS. Style linear, nearly cylindrical. Stigma along the upper side, 

 downy, p. 84. 



Pi SUM. Style triangular. Stigma along the prominent upper angle, 

 downy, p. 81. 



LATHYRUS. Style flattened vertically. Stigma along the dilated upper 

 half of the style, downy, p. 83. 



VJCIA. Style bearded in front, below the stiff ma. p. 82i 

 ERVUM. Stigma capitate, all over downy, p. 81, 



