42 BULLETIN 732, U. S. DEPARTMENT OF AGRICULTURE. 



(19) Gubb, A. S. 



1913. La Flore Algerienne Xaturelle et Acquise. 275 p., illus. Alger. 

 1^20) Hasselquist, Fredrik. 



1762. Reise nach Palastina in den Jahren von 1749 bis 1752. 606 p. Ros- 

 tock. 

 Hogg, Robert. 



(21) 1858. The Vegetable Kingdom and its Products. 882 p., illus. London. 



(22) 1866. The Fruit Manual, ed. 3, 291 p. London. 



(23) Howard, L. 0. 



1901. Smyrna fig culture in the United States. In U. S. Dept. Agr. Year- 

 book, 1900, p. 79-106, 7 fig., 8 pi. 



(24) Hubert, Paul. 



1912. Fruits des Pays Chauds. v. 1. Paris. 



(25) King, George. 



1888. The species of Ficus of the Indo-Malayan and Chinese countries. In 



Ann. Roy. Bot. Garden Calcutta, v. 1, p. 1—185, 225 pi. 



(26) Langworthy, C. F. 



1913. Raisins, figs, and other dried fruits and their use. In U. S. Dept. 



Agr. Yearbook, 1912, p. 505-522. 



(27) Lawrence, W. H. 



1916. Practical fig culture in Arizona. Ariz. Agr. Exp. Sta. Bui. 77, 43 p., 



14 fig. 



(28) Linne, Carl von. 



1840. Systema, Genera, Species Plantarum. 1102 p. Lipsiae. 



(29) Loeb, Jacques. 



1917. The chemical basis of regeneration and geotropism. In Science, n. s.. 



v. 46, no. 1179, p. 115-118. 



(30) Macmillan, H. F. 



1910. A Handbook of Tropical Gardening and Planting, with Special Refer- 



ence to Ceylon. 524 p., illus. Colombo. 



(31) Maiden, J. H. 



1889. The Useful Native Plants of Australia (Including Tasmania). 696 p. 



Sydney. 



(32) Mayer, Paul. 



1882. Zur Naturgeschichte der Feigeninsekten. In Mitt. Zool. Sta. Neapel, 

 Bd. 3, Heft 4, p. 551-590, 2 fig., pi. 24-26. 



(33) Mello Leotto F. C. de. 



1900. Arboricultura Algarvia ... 221 p. Lisboa. 



(34) Miranda, Victor. 



1901. Arboles Frutales. 232 p. Barcelona. 



(35) Mueller, Ferdinand von. 



1881. Select Extra-tropical Plants Readily Eligible for Industrial Culture of 

 Naturalization . . . New South Wales ed. 403 p. Sydney. 



(36) Olivier, G. A. 



1807. Voyage dansrEmpire Othoman, l'Egypte et al Perse. 3 v. and atlas. 

 Paris. 



(37) Potts, "A. T. 



1917. The fig in Texas. Texas Agr. Exp. Sta. Bui. 208, 41 p., 13 fig. 



(38) Ravasini, R. 



1911. Die Feigenbaume Italiens und ihre Beziehungen zu Einander. 180 p. , 



illus., 1 pi. Bern. 



