INDEX SECOND. 



Ficus Indica, a remarkable tree, 198. 



Final causes, conclusions drawn from, 6'5). 



Foliation, 469. 



Fontana supposed he saw globules in the proper juice, 119. 



Footstalk, a part of the leaf, 480. 



Forest trees, suggestions regarding their stems, 394. 



Fungi, structure of their stems, 292. 



are erroneously supposed to be propagated by gongyli, 451 . 



G. 



Geertner, his definition of the propago, 450. 



- his definition of the gongylus, 451. 



Gardeners, their method of obtaining a clean Cherry tree .stem, 394. 

 Gaultheria odorata is odorous only in its recent state, 631. 

 Gay Lussac, his experiments on vegetable secretions, 123. 

 Gems are found on tubers, 163. 

 their structure, 463. 



a knowledge of them is useful to the gardener, 468. 



contain the rudiments of the branch, 385. 



- origin of, 384. 



- are distinct individuals, 386. 



Gerarde, his account of the truncated root, 132. 



Germ, is at first an isolated speck, 397. 



how it is evolved, 397. 



Glands, definition of, 629. 



i classification of, 635. 



Glandular texture, its character, 88. 



Gleichen, Von, supposed the cuticular apertures were glands, 607. 



Gramineous plants, the vascular system of their leaves, 561. 



Grew, Dr. first described the root of the Primrose, 1 33. 



believed that the liber changed into alburnum, 328. 



supposed that the spiral vessels exist in perfect wood, 360. 



first suggested that the spiral vessels convey sap, 365. 



his opinion regarding the pith, 376. 



denied the inosculation of vessels in plants, 581. 



considered the cuticle a simple body, 599. 



noticed the cuticular apertures, 607. 



Guettard, M. bis classification of glands objectionable, 630. 

 Gum, its components, 123. 



H. 



Hairs are not absorbing organs, 64 1. 



some of them are excretory ducts, 688. 



Halts, Dr. his hypothesis of the formation of wood, 338. 



his opinion of the use of the pith, 375. 



Holler, Baron, his extraordinary acquirements, 18. 

 Hcdwig maintained that spiral vessels exist in wood, 360. 

 "detected sap in the spiral vessels, 365. 



his opinion of the cuticular meshes, 694. 



had seen the cuticular apertures, 607- 



Helleborus niger, peculiarity of its foliar cells, 588. 



- viridis, character of its foliar cells, 593. 

 Heterophyllous plants, their characters, 527. 

 Hill, Mr. Daniel, his experiments on roots, 220. 

 Hilt, Dr. first noticed the medullary sheath, 358. 

 his examination of buds partial, 400. 



