ON CLOVERS 
211 
Coleop- 
tera 
Diptera 
Nematoda 
Fungi 
Diptera 
Coleop- 
tera 
> y 
y y 
M 
Flowers greenish, larva living in a long gallery in the 
stem. 
Hylastinus obscurus Marsh 567 
Houard, No. 3582. 
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. 
Development of the plant arrested, internodes shortened 
and thickened ; leaves deformed, with margins rolled in¬ 
wards. 
Tylenchus devastatrix Kiihn 570 
Connold, Plant Galls, p. 244. Houard, No. 3584. 
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. 
Plowright, 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. n. Sulphur-coloured 
Trefoil. 
Floral axis thickened ; calyx swollen, containing a larva. 
APION ASSIMILE Kirby 57 
Houard, No. 3599. 
J 
Flowers deformed. 
Houard, No. 3560. 
Apion trifolii Linn. 574 
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. 
