Miscellaneous. 



98 



things, to breathe, and cannot do this directly through the cork. Consequently 

 special openings, called lenticels (PI. I., June T. A.) appear in the bark. Any young 

 twig with brown bark on it will show these organs ; they appear as little 

 pits, usually longer than broad, so far filled up with a brown powder that they 

 project above the general surface. The cork in them, instead of being in a solid mass, 

 is formed in a loose aggregate of fine particles, and the air for respiration can pass 

 between. 



The storage of reserve materials is common in stems ; these are stored, as in 

 the roots, to enable the plant to grow again after a period of rest. Tall woody stems, 

 as of trees, only store as a rule within themselves, and there is consequently nothing 

 visible to show that they are storing. But small stems often store, and then as a 

 rule swell up. 



Sometimes the reserve materials are all stored in the leaves, and we get the 

 peculiar kind of stem called a bulb (PI. I., June T. A.) in which all the leaves are 

 swollen out and have ceased to be green. They are generally folded one over 

 another, as in an onion, but sometimes, as in lilies, merely overlap like tiles on the 

 roof of a house. Plants with bulbs usually rest at some period of the year— 

 generally in the drier weather— and vegetate again later. Sometimes the reserves 

 are stored, as in the potato, in tubers (PL I., June T.A.) or swollen portions of 

 the stem, sometimes there is a fleshy creeping underground stem or rhizome 

 PI. I., June T.A.). We shall have to speak of these again later. 



Literature of Economic Botany and Agriculture VI. 



By J. 0. Willis. 

 Coconuts.— See Gardening Circular I, 5, p. 49. 



Considerations sur le caractere halophyte du Cocotier, Rev. Cult. Col. 



June 1900, p. 75. 

 Le Cocotier. Do. pp. 182, 362. 



Die Oxydasen und Peroxydasen in der Cocos-milch. Bull. Buitenz. VIII. 

 Coconut Butter. Gard. Chron., Dec. '01, p. 449. 



Creation de Cocoteries sur la cote est de Madagascar. Rev. Cult. Col., Feb, 

 '02, p. 65. 



Coconuts. Straits Bull., 1902, pp. 226, 227. 

 Draining Land for Coconut Plantation. Do. 261. 

 A Coconut Pest. Do. March 1904. 



Usages Economiques du Cocotier. Rev. Cult. Col., June 1904, p. 353. 



Spraying Coconuts. " T.A." Sept. 1904, p. 148. 



Coconuts in India, on the West Coast. " T.A." Dec. 1904, p. 373. 



The Coconut Industry of Trinidad. W. I. Bull., June 1905, p. 149. 



Bud Rot of the Coconut Palm. Circ. and A. J., R.B.G. Perad. 1906. 

 Cocos, other Species. — C. eriospatha and C. odorata. Tropenpflanzer, 4, 1900, p. 197. 

 Coffee i General.— Coffee in Coorg : Cameron in Planting Opin., Mar. 1899, p. 189. 



Fertilisation of the Coffee Flower. Queensl. Agr. J., May 1899, p, 376. 



Koffiecultuur in Guatemala, F, W. Morren, Amsterdam 1899. 



Le Cafe. Lecomte. Paris 1899. 



Fecondation Artificielle des fleurs de Cafe pour obtenir les hybrides. Rev. 



Cult. Col., Nov. 1899, p. 278. 

 Liberian— Arabian hybrid. Ind, Gard. and PI., Jan. 1900, p. 32. 

 Coffee Hybrids. Planting Opin., Feb. 1900, p. 103. 



Die Produktions Kosten und die Erti-ag der Koffie in Sudbrasilien. Prager 

 in Tropenpflanzer, IV. 1900, p. 76. 



