ANGIOSPERMiE, DICOTYLEDONES. 



751 



a capsule or a follicle (see figs. 426* and 426 ^ and fig. 824, p. 429). The seed 

 contains an embryo furnished with two large, thick, fleshy cotyledons, but no 

 endosperm. 



The Proteales are for the most part much -branched shrubs. The arboreal 



Fig. 426.— Proteales. 



1 Banksia ericifolia. 2 Single flower of Banksia littoralis with the spoon-shaped perianth-segments still closed. ' Longitudinal 

 section through the same flower ; the style is in the form of a barbed hook, and the stigma rests between the anthers ; the 

 filaments are adnate to the concave surfaces of the spoon-shaped perianth-segments. ■> Fruiting spike of Banksia ericifolia. 

 5 Fruit of Xylomelum pyrijonne. - and 3 magnified; the rest nat. size. (After Baillon.) 



species Knightia excelsa, a native of New Zealand, attains a height of 30 metres. 

 The foliao;e-leaves are sometimes glabrous and sometimes clothed with scales, and 

 they possess peculiar stomata (see vol. i. p. 296). The genus Hakea exhibits in 



