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Fig. 2. A, Vertical section of the seed of Myrica cerifera : a, cotyledons ; 



b, radicle ; c, plumula ; d, remains of foramen ; e, hilum. B, Embryo 



extracted entire : a, cotyledons ; b, radicle. 

 Fig. 3. Vertical section of the seed of Luzula campestris : a, albumen ; 



b, embryo. 

 Fig. 4. Vertical section of the grain of Bromus mollis : a, albumen ; 6, embryo ; 



C) its plumula ; d, its cotyledon ; e, its radicle, with internal rudiment of a 



root. 

 Fig. 5. Vertical section of the seed of Rheum rhaponticum : a, albumen ; 



by embryo ; c, hilum ; d, remains of foramen. 

 Fig. 6. A, Seed of Triglochin palustre : a, fungous chalaza ; 6, raphe ; c, hilum. 



B, Embryo of the same : a, cotyledon ; b, radicle ; c, fissure, within 



which the plumula lies. C, The same halved vertically : a, cotyledon ; 



b, radicle ; c, fissure ; d, plumula. 

 Fig. 7. A, Seed of a species of Begonia : a, hilum. The 'dicotyledonous 



embryo. 



Fig. 8. Coiled up embryo of Basella rubra : a, radicle ; b, cotyledons. 

 Fig. 9. Vertical section of the seed of Mesembryanthemum crystallinum : a, 



albumen ; b, radicle of the embryo. 

 Fig. 1 0. Anatomy of the grain, and germination of Scirpus supinus ; after 



Richard. A, Vertical section : a, albumen ; 6, embryo. B, The embryo 



extracted, enlarged, and halved vertically : a, cotyledon ; b, radicle. C, 



The seed germinating and halved : a, albumen ; 5, cotyledon ; c, plumula ; 



d } young root ; e, sheath of the latter. 

 Fig. 11. A, Seed of Ribes rubrum : a, chalaza ; b, raphe ; c, hilum. B. The 



same, halved vertically, showing the minute embryo, with two spreading 



cotyledons lying at the base of the albumen : b, section of the raphe ; c, 



hilum ; d, albumen. 



Fig. 12. Embryo of a species of Mammillaria ; the cotyledons very small. 

 Fig. 1 3. Embryo of Geranium Robertianum : a, radicle ; b, line of union of the 



two cotyledons ; c, one of the plaits in the latter. 

 Fig. 14. Section of the seed of Alisma Damasonium ; after Mirbel : a, cotyledon ; 



6, radicle ; c, plumula. 

 Fig. 15. Part of the seed of Olyra latifolia ; after Richard : a, albumen ; 6, 



back cotyledon ; c, front ditto ; d, radicle ; e, plumula. 



Fig. 16. Embryo of Ruppia maritima ; after Richard : a, plumula ; 6, cotyledon. 

 Fig. 17. Vertical section of the seed of Fekea tuberculosa ; after Richard : 



a, radicle ; 6, collet ; c, cotyledons. 

 Fig. 18. Embryo and ruminated albumen of Eupomatia laurina (a vertical 



section) ; after Ferdinand Bauer. 

 Fig. 19. Spiral twisted embryo of Cuscuta europsea. 

 Fig. 20. Half the embryo of a bean ( Vicia Faba) ; after Mirbel : a, one of the 



cotyledons ; b, plumula ; c, radicle ; d, scar from which the other cotyledon 



has been cut. 

 Fig. 21. Germination of Lachenalia serotina : a, albumen ; b, cotyledon ; c, 



plumula ; d, radicle. 

 Fig. 22. Germination of Calla sethiopica ; after Mirbel : a, exterior elongation of 



the cotyledon ; b, seed ; c, front leaf of the plumula ; d, radicle. 



