389 



EXPLANATION OF THE PLATES, 



IAB. \-Jig- 1. Anatomy of wood, after Mirbel. See 

 p. 10. J\ 2. Embryo of Pinus Cembra, shown in a 

 section of the seed, then separate, and magnified, 

 from Mr. Lambert's work. See/?. 75, 287 289. 

 f. 3. Seedling plant of the Dombeya, or Norfolk 

 Island Pine, with its four cotyledons, and young 

 leafy branches, of the natural size, p. 76. f. 4. A 

 garden bean, Vicia Faba, laid open, showing its 

 two cotyledons, p. 74 ; f the radicle, or young root, 

 p.73; g the germ or corculum, p. 74. Above is 

 a bean which has made some progress in vegeta- 

 tion, showing the descending root, the ascending 

 plumula, p. 75, and the skin of the seed bursting 

 irregularly, p. 29-5. 



TAB. 2. Roots. f. 5. Fibrous, in Grass, p. SI. 

 f. 6. Creeping, Mint, p. 82. /. 7. Spindle- 

 shaped, Radish, accompanied by its cotyledons and 

 young leaves, p. 82. f. 8. Abrupt, Scabiosa 

 succisa: f.9- Tuberous, Pota toe, p. 83. f. 10. 

 Oval knobs of some Orchidece : J\ 11. Palmate 

 ones of others : f. 12. Several pairs of knobs in 

 Satyrium albidum : p. 84. f. 1 3. Solid Bulb in 

 Crocus : f. 14. Tunicate Bulb in Allium : f. 15. 

 Scaly one in Lilium : p. 86. f. 16. Granulated 

 Root of Saxifraga granulata, p. 87. 



