DIMENSIONS OF SEEDS. 451 



enormously from plant to plant. The seed of the terrestrial Orchid Gymnadenia 



Fig. 341.— Mangrove Tree (Rkizophora Handle). 



• Branch with flowers and fruits (reauced). 2 Single Jruit, the apex of which is being penetrated by the radicle of the embryo. 



(After BaUlon.) 



Conopsea measures 1 mm. in length and weighs -008 gram: that of the Cocoa-nut 

 Palm 11-14 cm. and weighs 800-1100 grams. The Wind Bent-grass {Apera S2yica- 



