CATALOGUE OF BRITISH PLANT-GALLS 131 
Ophioglossum vulgatum Linn. 88. AddePs-tongue. 
Diptera Elongated swelling on the upper surface of the frond, 
about 15 mm. by 6 mm.; numerous larval cavities, each 
containing a greenish-white larva. 
Cecidomyia sp. 9 
Swanton, Naturalist’s Journal, 1901, vol. x., p. 124. 
Connold, Plant Galls, fig. no. 
CONIFERAE 
Juniperus communis Linn. 78. Common Juniper. 
Lepidop- Knotty swelling on the stem, 
tera Lobesia permixtana Hiibner 10 
Syn. Lobesia reliquana , Entom. Syn. List. 
Houard, No. 133. 
Diptera Fusiform terminal growth resembling a large bud. It 
comprises the three uppermost whorls of leaves and 
occasionally the fourth. The leaves of the first (inner¬ 
most) are shortened, of a chestnut-brown tint, and form 
the larval cavity ; those of the second are a little longer, 
carinated, and swollen at the base ; those of the third 
(outermost) are of normal length, but enlarged and 
thickened at the base. Larva solitary, orange. M. G. 
Oligotrophus JUNIPERINUS Linn. II 
Syn. Hormomyia juniperina Linn. 
Connold, Plant Galls, p. 245. Houard, No. 129. 
,, Little woody and hemispherical nodosity on the stem. 
Cecidomyia sp. 12 
Fitch, 1883, p. 6. Houard, No. 134. 
Fungi Very apparent fusiform swellings on the branches and 
stems, bearing the ligulate, compressed, pale orange 
spore masses. April and May. Aecidiospores on 
Crataegus monogyiia and Pyrus communis. (Plate XIX.) 
GYMNOSPORANGIUM CLAVAR 1 AEFORME Jacq. 13 
Plowright, p. 233. Connold, Plant Galls, fig. 142. 
Taxus baccata Linn. 17. Common Yew. 
Diptera Artichoke-like growth at the termination of a twig, 
consisting of numerous shortened, soft leaves ; externally 
a slightly lighter shade of green than normal, internally 
discoloured. Contains a single red larva. M. G. 
Oligotrophus taxi Inchbald 14 
Syn. Cecidomyia taxi Inchbald. 
Connold, Veg. Galls, pi. 88; Plant Galls, fig. 330. 
Houard, No. 150. 
