A.BTIFICIAL KEY TO THE FAMILIES. 61 



Leaves not whorled. 



II Stamens 8. 



Flowers green, in solid square heads Musk-root (terminal 



flower), 347 

 Flowers white or coloured. 



Consisting of calyx only Golden Saxifrage, 225 



Both calyx and corolla. 



Ovary within the flower. 



Leave opposite, few, far apart Chlora, 215 



Leaves scattered, very numerous, closely packed..Eose-rooi, 127 



Ovary below the flower Fuchsia family, 279 



II II Stamens fewer than 8. 



• Plant covered with stings. Stamens 4 Nettle (male flower), 354 



•* Plant without stings. 

 Stamens 1 or 2. 



Flowers green (stamen solitary) Parsley piert, 186. 



Flowers white or coloured Fuchsia family (some) , 



279 

 Stamens 4 or G. 



Stamens C, 4 long and 2 short Cabbage family, 111 



Stamens 4, all of the same length. 



Plant growing in water ; leaves parallel-veined Fondweed family, 408 



Plant growing on dry land. 

 a. Flowers collected into solid terminal heads. 



"With bracts underneath Scabious family. 320 



"Without bracts Burnet, 187 



6. Flowers axillary, sessile, minute. 



"With calyx only Pellitory, 355 



Both calyx and corolla Centunculus, 260 



c. Flowers neither in heads, nor axillary and sessile. 



i. Leaves twice trifoliolate Einmedium, 151 



ii. Leaves pinnate Bitter-cress, 115 



iii. Leaves fan-lobed Lady's -mantle, 187 



iv. Leaves doubly pinnatifid ; flowers yeUow Hypecoum, 97 



v. Leaves deeply two-lobed, veiny Urtica biloba, 355 



Ti. Leaves oblong and undivided, or minutely 

 lanceolate. 



a. Flowers minute, with four large white bracts 



resembhng petals Cornus Suecica, 348 



b. Flowers large, tubular, purplish Field Gentian, 215 



€. Flowers pure white. 



Large and few Mcenchia, 140 



Numerous and minute. 



Stem upright and repeatedly forked. . . . Radiola, 105 

 Stem prostrate Pearhveed, 14<) 



