^° Supplementary List 



HOREHOUND {Lijcopus) 



82. Cecidomyia. Lycoptis. Mass. Oct. On .stem; smooth, elliptical; tough and solid inside 

 plate 13, 82. 



Lasioplcra lycopi Felt. 



HORNBEAM (Carpitms) 



179. Cecidomyia pudibunda. 0. S. '67, p. 202. Hornbeam. Mass. May-June. Found also 

 on black birch. Deep vertical folds of leaf between veins from edge of leaf nearly 

 to mid-rib, plate 13, 179. 



HUCKLEBERRY (Vaccinium) 



'^^- • False flowers of huckleberry. Fungus. Vaccinum resinosa. Aborts twig 



and leaves become white or pinkish. 



IRIS 



317. Agromyza. Iris. Emerges late May. As leaves come up outer leaf bears swollen, ovoid 

 area; checks groAvth of this leaf but does not affect rest of plant, plate 13, 317. 

 Agromyza magnicomis ^.oew (See Psyche, August, '07, 14: 74). 



LETTUCE (Lactuca) 



159. Lasioptera lactucae. Wild lettuce. Mass. Gall similar to that of Aiilax tumidus but is 

 woody internally; solid. 



LINDEN (Tilia) 



73. Cecidomyia. Tilia americana. Infests the bases of leaves causing a rupture of the bark 



withm whose cap appears a globular, white capsule. This holds the rusty white 

 larva, plate 14, 73. 



Cecidomyia. cilricola O. S. . ' 



74. Cecidomyia. Terminal bud gall. Tilia americana. June-July. Terminal bud changed 



to tuft of leaves, plate 14, 74. 

 Same as above, probably. 



108. Cecidomyia verrucicola. 0. S. 75, p. 201-202. Linden, Basswood, Tilia heterophylla. 



^'^^^^- June, July. On leaf; wart-shaped, numerous. Alike above and below. 

 181. Enophyes. Basswood. Mass. May. Finger-like protuberances on upper side of leaf 



of Tiha americana. Entrance to gall on lower side guarded by white hairs, plate 



Eriophyes {?) abnormis Garm. 

 252. Cecidomyia. Linden. Mass. July. Round, thickened area with irregular, thicker, 

 pmkish margms above leaf; a slight central point below, plate 14, 252. 

 Possibly the developing gall of Cecidomyia verrucicola O. S. 

 300, — . Linden. Mass. Mid-summer. Circular bhster very slightly elevated 



from margin to center and not sharply defined at margin; 3 mm. diameter. Above 

 and below a variable tuft of slender brown hairs, usually heaviest and longest below. 



