548 Willis and Bur kill. — Flowers and 
sh. 5. VII. 95, 800 ft. (2) Coenonympha pamphilus L., sh. 5. VII. 95, 
800 ft. each once. Hymenoptera. Aculeata: Apidae\ (3) Bombus 
terrestris L., sh. 16-17. IX. 95, 7-800 ft. (4) B. agrorum F., sh. 5. 
VII. and 13. IX. 95, 7-800 ft. Diptera. Syrphidae'. (5) Melanostoma 
mellinum L., fp. 22. IX. 95, 800 ft. (6) Platychirus albimanus F., fp. 
16-17. IX. 95, 800 ft. (7) P. manicatus Mg., fp. 5. VII. 95, 800 ft. 
Muscidae : (8) Calliphora erythrocephala Mg., fp. 5. VII. 95, 800 ft. 
Anthomyiidae : (9) Anthomyia sp., fp. 17. IX. 95, 800 ft. (10) Tri- 
chophthicus sp., fp. 16. IX. 95, 800 ft. Coleoptera. (n) Meligethes 
viridescens F., 16-17. IX. 95, 800 ft. 
115. Lamium purpureum, Linn. [Lit. Brit. 23, 29, 34 ; 
Bennett 212; N.C.E. 1, 3c, 4, 11, 14, 16, 18, 21b, 34, 40; 
De Vries 2460 ; Alps 34.] The flower is proterandrous; the 
stigma gradually passes above the stamens to a point 
beyond them, but not so much as to make self-fertilization 
impossible. 
Visitors. Diptera. Syrphidae : (1) Platychirus discimanus Lw., 
? fp. 15. V. 98, 800 ft. 
116. Lamium maculatum, Linn. [Lit. N.C.E. 1, 3 c, 4, 
21 b, 33, 34, 35; Alps 2, 34.] This plant has been established 
since at least 1840 without spreading to any extent. Some 
Bombus, not seen by us in the act, bores the corolla, and 
Apis makes use of the holes. 
Visitors. Hymenoptera. Aculeata: Apidae : ( 1 ) Apis mellifica L., 
cp. 20. V. 97, and sh. through holes in corolla and cp. hanging under 
hood, 7-15. V. 98. (2) Bombus hortorum L., sh. 22. V. 97. (3) B. 
agrorum F., sh. 23. V. 97, 11. VI. 99. Diptera. Syrphidae'. (4) 
Platychirus sp., fp. 23. V. 97. Muscidae'. (5) Lucilia cornicina F., 7. 
V. 98. Anthomyiidae'. (6) Anthomyia sp., fp. 16. V. 98. All at 
800 ft. 
117. Ajuga reptans, Linn. [Lit. Brit. 23 ; N.C.E. 1, 3 c, 4, 
16, 18, 21 a, 21 b; 33, 40 ; Alps 2, 34 ; Pyren. 17.] 
Visitors. Hymenoptera. Aculeata : Apidae : (1) Bombus agrorum 
F., sh. 24. VI. 95, 10. VI. 99, 7-800 ft. Diptera. Anthomyiidae'. 
(2) 1 sp., fp. 10. VI. 99, 700 ft. 
