xxvi Introduction. 



same number and opposite the petals. Evergreen or de- 

 ciduous shnibs with small, usually inconspicuous flowers 



Ehamnacea, page 101 

 ft Leaves exstipulate. 

 Placentas parietal. 



Flowers completely unisexual. Perennials or tender 

 annuals having entire or palmately lobed usually 

 hispid leaves, unattractive flowers and ornamental 

 fruits (Gourds) .... Cucurbitacece, p. 206 



Flowers hermaphrodite or polygamous. Shrubs with alter- 

 nate deciduous leaves and small racemose flowers, Ribes, p. 187 

 Placentas axile. 

 Flowers umbellate. 



Herbs or rarely shrubs with small flowers, two styles, 



and usually compound or lobed leaves . Umbelltfem, p. 209 

 Shrubs or trees with small flowers and usually three 



or more styles . . , . , Araliacece, p. 213 



Flowers not umbellate. 

 Carpel solitary. 



Petals or segments of perianth triangular stamens of 

 the same number and opposite to them. Parasitical 

 shrubs having thick oblong leaves and inconspi- 

 cuous flowers followed by viscid white berries, 



Lofanthacece, p. 397 



Petals hood-shaped or deficient. Large herbs with 

 prickly Khubarb-like leaves and dense conical 

 spikes of small flowers . . . Gunnera, p. 192 

 Petals oblong. Shrubs having small flowers and 



aromatic or balsamic leaves . Anacardiacca, p. Ill 

 Carpels spreading at the apex. 



Leaves alternate. Herbs . . Saxifragece, p. 178 



Leaves opposite. Shrubs often haying large sterile 

 apetalous flowers with coloured calyces 



Saxifrages t tribe Hydrangea, p. 182 

 Carpels parallel, combined. 



Calyx valvate ; stamens opposite the petals. Shrubs 

 having alternate leaves, and small green, yellow, 

 blue or white flowers . . . Rhamnacece, p. 101 

 Calyx valvate; stamens alternate with the petals. 

 Herbs or shrubs with showy flowers and exal- 



buminous seeds . . . Onagrariea, p. 196 



Shrubs with inconspicuous flowers and simple, de- 

 ciduous, or persistent leaves. Seeds albu- 

 minous . . f ' . * Cornaceee, p. 215 

 Calyx not valvate. 



Anthers spurred at the base. Herbaceous plants 



with opposite ribbed leaves . . Bhexia, p. 194 

 Anthers not spurred, 



Leaves dotted. Evergreen shrub with white fra- 

 grant flowers .... Myrtus, p. 194 

 Leaves not dotted. 

 Flowers tetramerous . . . Onagrariea, p. 106 



