250 
BRITISH GALLS 
Hymen- 
optera 
Diptera 
Nematoda 
Diptera 
Fungi 
> > 
Diptera 
Hypochaeris radicata Linn. m. Long-rooted 
Cat’s-ear. 
Elongated fusiform swellings (rarely rounded) on the 
stems and petioles, often in such numbers as completely 
to deform the plant. Yellowish-green, brownish upon 
maturity. Larval cells numerous, each containing a 
yellowish white larva. June to October. M. G. Imago, 
spring, II. (Plate XXIX. i, 2.) 
Aulax hypochaeridis Kieffer 872 
Connold, Veg. Galls, pi. 39; Plant Galls, fig. 85. 
Houard, No. 6036. 
Achenes swollen, rounded, brown, marked with longi¬ 
tudinal ridges. The gall is thin walled, about 3 mm. in 
diameter. Larva white. 
Trypeta sp. 873 
Trail, 1878, p. 65. Houard, No. 6033. 
Midrib of the leaf with an elongated irregular swelling 
of a yellowish-green tint. The gall is not infrequently 
formed on the blade, and is then more or less rounded. 
Anguilluli sp. 874 
Trail, 1885. Houard, No. 6040. 
Leontodon autumnale Linn. 112. Autumnal Hawk- 
bit. 
Capitulum closed and swollen. 
Tephritis leontodontis De Geer 875 
Houard, No. 6057. 
Taraxacum officinale Weber. 112. Dandelion. 
Confluent or solitary elongated swellings on the midrib 
of the leaf and the petiole. 
Protomyces pachydermus Thiim 876 
Plowright, p. 300. 
Minute pustules on the leaves and involucres. Entire 
plant much dwarfed. 
Synchytrium taraxaci De Bary 877 
878 
Sonchus oleraceus Linn. in. Sharp-fringed Sow¬ 
thistle. 
Capitulum remaining closed, involucral bracts hyper¬ 
trophied. 
Tephritis Formosa H. Low 879 
Houard, No. 6109. 
