ON CLOVERS 



211 



Coleop- Flowers greenish, larva living in a long gallery in the 



tera stem. 



Hylastinus obscurus Marsh 567 

 Houard, No. 3582. 



Diptera Leaflets folded upwards in the form of a pod, swollen, 



reddish or yellowish. Larvae pale reddish-yellow, gre- 

 garious. Leaflets sometimes folded inwards. M. G. 



Perrisia trifolii F. Low 568 

 Syn. Dasyneura trifolii F. Low. Cecidomyia trifolii 

 F. Low. 569 



Connold, Plant Galls, p. 244. Houard, Nos. 3589, 3591. 



Nematoda Development of the plant arrested, intemodes shortened 

 and thickened ; leaves deformed, with margins rolled in- 

 wards. 



Tylenchus devastatrix Kuhn 570 

 Connold, Plant Galls, p. 244. Houard, No, 3584. 



Fungi 



Diptera 



Coleop- 

 tera 



Elongated swellings and distortions of the petioles ; the 

 sori containing the brown uredospores burst through the 

 epidermis. 



Uromyces trifolii Alb. and Schw. 571 



Syn. Trichobasis fallens Cooke. 



Plo Wright, p. 124. 



Trifolium medium Linn. 108. Zigzag Clover. 

 Leaflets swollen, pod-like. See No. 568. 



Perrisia trifolii F. Low 572 

 Houard, No. 3596. 



Trifolium ochroleucon Huds. 1 1. Sulphur-coloured 

 Trefoil. 



Floral axis thickened ; calyx swollen, containing a larva. 



Apion ASSIMILE Kirby 573 

 Houard, No. 3599. 



Apion trifolii Linn. 574 



Flowers deformed. 



Houard, No. 3560. 



Trifolium repens Linn. 112. White or Dutch Clover. 

 Oval swelling on the stem. 



Apion laevicolle Kirby 575 

 Houard, No. 3563. 



Flowers greenish, larva in a long gallery in the stem. 



Hylastinus obscurus Marsh 576 

 Houard, No. 3562. 



