Willis and BurkilL — Flowers and 
636 
L., fp. 28. VI.-6. VII. 95, 800 ft. Hymenoptera. Aculeata : Apidae : (2) Bombas 
hortorum L., seeking h., 11. VII. 96, once 800 ft. Diptera. Syrphidae : (3) Platy- 
chirus manicatus Mg., fp. 6. VII. 95, 900 ft. Anthomyiidae : (4) Hyetodesia incana 
W., fp. 6-1 1. VII. 96, 8-900 ft. (5) Hyetodesia sp., 2. VII. 95, 900 ft. (6) Tri- 
chophthicus sp., fp. 26. VI.-6. VII. 95 ; 1-6. VII. 96, 9-1,500 ft. 
TABLE XLVII. 
Total number of visitors to AB-like flowers of Class Po. 
Class Po. (. AB ) 
y 
§ 
Bomb. 
i 
Tenthr. 
Entom. 
•ft 
8 
X 
& 
< 
N 
| Lep.s. 
8 
4 
►ns 
£ 
0 
hq 
Total. 
232. Heliantheum vulgare . 
2 
— 
I 
— 
__ 
— 
— 
_ 
I 
1 
8 
55 
_ 
— 
68 
2 33. Hypericum pulchrum . 
— 
— 
I 
— 
— 
— 
— 
— 
— 
— 
1 
15 
__ 
— 
J 7 
234. Rosa mollis (villosa) . 
— 
5 
3 
17 
__ 
3 
28 
235. Spiraea Ulmaria . . . 
46 
4 
— 
1 
— 
— 
I 
— 
— 
6 
3 
2 4 
— 
— 
85 
236. Lysimachia punctata . 
— 
— 
— 
— 
— 
— 
— 
— 
— 
— 
__ 
1 
— 
— 
1 
237. Lysimachia nemorum . 
1 
2 
— 
— 
4 
3 
12 
I 
1 
17 
239. Narthecium Ossifragum 
— 
1 
11 
1 
16 
— 
— 
29 
Total 
48 
10 
2 
1 
- 
I 
1 
I 1 
I 
18 
20 
142 
I 
4 
249 
Percentages . . . 
19-28 
4-02 
* 
.40 
", 
.40 
.40 1 
- 
.40 
7-23 
8-03 
57'03 
.40 
i-6i 
Class A, § 65. Open Saxifraga Type. 
240 . Saxifraga aizoides, Linn. [Lit. N.C.E. 1 ; Arct. 7, 33, 37 b ; 
Alps 2, 16 ; Pyren . 17.] Proterandrous with ultimate self-pollination. The 
stamens are of the usual two lengths, and go through the usual process of 
coming up singly to dehisce at the centre of the flower and finally coming 
up together to effect self-pollination. 
Visitors . Lepidoptera. Heterocera : Noctuidae : (1) Hadena gemina Hb., sh. 
18. VI. 96, 800 ft. Tortricidae : (2) 1 sp., sh. 22. VI. 96, 23-2,400 ft. Eriocephalidae : 
(3) Eriocephala calthella L., 28. Vl.-n. VII. 96 ; 26. VI.— 10. VII. 96, 800-2,400 ft. 
Hymenoptera. Aculeata : Apidae : (4) Bdmbus lapponicus F., sh. 1. VII. 95, 800 ft. 
and 1-10. VII. 96, 19-2,200 ft. (5) B. terrestris L., 14. IX. 95, 1,800 ft. (6) Andrena 
fucata Sm., sh. 23. VII. 95, 800 ft. Vespidae : (7) Vespa norvegica F., sh. 6-23. VII. 
95; 4.-10. VII. 96, 800 ft. Formicidae : (8) Formica fusca Latr., sh. very ab. 21. 
VI.-23. VII. 95; 20-23. IX. 95; 23. VI.-10. VII. 96, 8-2,400 ft. Myrmicidae : 
(9) Myrmica rubra L., sh. freq. 22. Vl.-n. VII. 95; 14-18. IX. 95; 5. VII. g6 t 
8-1,700 ft. Petiolata parasitica: Ichneumonidae : (10) Ichneumon molitorius Grav., 
sh. 18-24. IX. 95, 9-1,800 ft. (1 1) Hemiteles micator Grav., sh. 19. IX. 95, 2,400 ft. 
(12) Pimpla examinator F., 18. IX. 95, 800 ft. (13) Ambly teles subsericans Grav., sh. 
4. IX. 95, 1,500 ft. (14, 15, 16, 17, 18, and 19) 6 spp. sh. 4. VII. 94; 1-23. VII. 95; 
14-23. IX. 95 ; 18. VI.-10. VII. 96, 800-2,600 ft. Chalcididae : (20 and 21) 2 sp. 
sh. 22. VI.-10. VII. 96, 23-2,400 ft. Cynipidae : (22) 1 sp., 23. VII. 95, 800 ft. 
Sessili ventres : Tenthredinidae : (23) Tenthredo olivacea Klug., 6. VII. 95, 2,500 ft. 
