URTICACEAE 

 Pipturus alhidus. Swezey, O. H. 1912. Insects associated with "Mamake"" (Pipturus alhidus), a 



native Hawaiian tree. Hawaii. Ent. Soc. Proc. 2 (4): 153-163. 

 Pipturus. Swezey, O. H. 1923. The leaf-miners of P^/)furMS (Lepidoptera). Hawaii. Ent. Soc. 



Proc. 5: 293-296. 



VERBENACEAE 

 Lantana camara. Oosthuizen, M. J. 1964. The biological control of Lantana camara L. Ent. Soc. 



So. Africa Jour. 27 (1): 3-16. 

 Lantana. Krauss, N. L. H. 1953. Notes on insects associated ^th Lantana in Cuba. Hawaii. Ent. 



Soc. Proc. 15 (1): 123-125. 

 Lantana. Perkins, R. C. L. and O. H. Swezey. 1924. The introduction into Hawaii of insects 



that attack La ntorza. Hawaii. Sugar Planters' Assoc. Expt. Sta., Ent. Ser. Bui. 16, 83 pp. 

 Lantana. Rao, R. S. Y. R. 1920. Lantana insects in India. India Dept. Agr. Mem., Ent. Ser. 5 (6); 



239-314. 



VIOLACEAE 

 Viola. Chittenden, F. H. 1901. Some insects injurious to the violet, rose, and other ornamental 



plants. U.S. Bur. Ent. Bui. 27, 114 pp. 

 Violaceae. Goury F., and J. Guignon. 1912. Insectes parasites des Violariees. Feuille Jeunes 



Nat. 42: 30-34, 40-43. 



VITACEAE 

 Vitus arizonica. Schwarz, E. A. 1899. "Vitus arizonica insects." (in notes at meeting of the 



Society). Ent. Soc. Wash. Proc. 4 (4): 397. 

 Vitus. Centner, L. G. 1925. Some important grape insects. Mich. Agr. Expt. Sta. Spec. Bui. 148, 



19 pp. 



Section II.--Principal Works of Charles Robertson 



1886. Notes on the mode of pollination of Asclepias. Bot. Gaz. 9 (10): 262-269. 



1887. Insect relations of certain Asclepiads. I, II. Bot. Gaz. 12 (9): 207-216; 12 (10): 244-250. 



1889. Flowers and insects. I-IH. Bot. Gaz. 14 (5): 120-126; 14 (7): 172-178; 14 (12): 297-304. 



1890. Flowers and insects. IV, V. Bot. Gaz. 15 (4): 79-84; 15 (8): 199-204. 



1890. Flowers and insects-Umbelliferae. Acad. Sci. St. Louis, Trans. 5: 449-460. 



1891. Flowers and insects. VI. Bot. Gaz. 16: 65-71. 



1891. Flowers and insects, Asclepiadaceae to Scrophulariaceae. Acad. Sci. St. Louis, Trans. 5: 



569-598. 



1892. Flowers and insects. VII-IX. Bot. Gaz. 17 (3): 65-71; 17: 173-179; 17 (9): 269-276. 



1892. Flowers and insects-Labiatae. Acad. Sci. St. Louis, Trans. 6: 101-131. 



1893. Flowers and insects. X, XI. Bot. Gaz. 18: 47-54; 18: 267-274. 



1894. Flowers and insects. XII. Bot. Gaz. 19: 103-112. 



1894. Flowers and insects-Rosaceae and Compositae. Acad. Sci. St. Louis, Trans. 6: 435-480. 



1895. Flowers and insects. XHI, XIV. Bot. Gaz. 20: 104-110; 20: 139-149. 



1896. Flowers and insects. XV-XVIL Bot. Gaz. 21: 72-81; 21: 154-165; 21: 266-274. 

 1896. Flowers and insects. Acad. Sci. St. Louis, Trans. 7: 151-179. 



1898. Flowers and insects. XVin. Bot. Gaz. 25: 229-245. 



1899. Flowers and insects. XIX. Bot. Gaz. 28: 27-45. 



1927. Florida flowers and insects. Acad. Sci. St. Louis, Trans. 25: 277-324. 



1928. Flowers and insects. XXV. Ecology 9 (4): 505-526. 



1929. Flowers and insects. XXVI. 221 pp. Sci. Press Printing Co., Lancaster, Pa. 



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