26 THE JOURNAL OF BOTANY 



swollen at the base, forming a hard gall containing a single 

 orange-coloured larva. Caused by Perrisia salicaricB, Kieff. 

 From Bamburgh, E. Bagnall, 1915. (Family Lythrace^e, to 

 precede Onagraceas ; No. 611.) 



QEnanthe crocata. Flower-head deformed ; pedicels short- 

 ened and somew^iat thickened ; rarely all are affected. Caused 

 by Philcsmts simmarius. Surrey, Dorset and Devon, E. W. 

 Swanton, 1912. 



Lycopsis arvensis. Leaves, calyx and fruit swollen, bearing 

 oecidia on yellowish spots. Caused by Puccinia secalina. 

 Brit. Bust Fungi, p. 261, W. B. Grove. Haslemere, 

 August, 1915, E. W. Swanton. Bcliium vulgare in the same 

 field was not affected. (To precede No. 689.) 



EcHiUM VULGARE. Swelling on mid-rib of the radical leaves. 

 Caused by the larva of Cynceda dentalis. Guestling, near 

 Hastings, Eev. E. N. Bloomfield, 1912. This gall has been 

 observed on Anchusa on the Continent. (To follow^ No. 689.) 



LiNAEiA VULGARIS. Stem producing a tuft of short branches 

 above the point of attack. Caused by PhilcBuns sjmmarius. 

 Haslemere, 1912, E. W. Swanton. (To follow No. 721.) 



EuBiA PEREGRiNA. Apical whorl of leaves undeveloped, 

 forming a greenish globular gall (8x4 mm.), which becomes 

 black in drying. Caused by Eriophyes rubice. Slapton Sands 

 and Petit Tor, S. Devon, 1912, E. W. Swanton. (To precede No. 

 774.) 



Tanacetum vulgare. Leaf margins tightly rolled upwards. 

 Caused by Eriophyes tuherculatus. Penshaw, E. Bagnell, August, 

 1915. (To follow No. 832a.) 



Artemisia vulgaris. Eeddish pustules on the upper surface 

 of the leaf, with ostioles, each surrounded by hairs, on the lower 

 one. Caused by Eriophyes artemisicB. Penshaw and Hylton, 

 CO. Durham, E. Bagnall, 1915. (To follow No. 836.) 



HiERACiUM Pilosella. An unilocular ovoid swelling on the 

 mid-rib or on the petiole, about the size of a millet-seed, and con- 

 taining a white larva. Caused by Aulacidea inlosellce. (To pre- 

 cede No. 863.) Numerous circular pustules (appr. 5 mm. diam.). 

 each bordered by a red zone, and containing a reddish-brown 

 larva. Caused by Cystiphora pilosellce. (To follow No. 864.) 

 Leaf margins tightly rolled upwards. Caused by Eriophyes ptlo- 

 sellcE. The above three galls were sent by Mr. Bagnall from Pen- 

 shaw^ in September, 1915. 



Tragopogon pratense. Flower heads swollen, ovoid, remain- 

 ing closed, and containing the yellow, leaping larvse. Caused by 

 Contarinia tragopogonis. Penshaw, E. Bagnall, August, 1915. 

 (To follow No. 880.) 



I have recently received from a firm of orchid growers in this 

 country some galls caused by Cecidomyia CattleycB (see note in 



