" ‘m] THE MECHANISMS OF FLOWERS. 313 
Altogether, I have observed upon Scabiosa arvensis, L. :— 
Apidae. Lepidoptera.' Diptera. Other Insects Total. 
In Low Germany ... 45 19 17 | 20 101 
On the Alps.., —... 10 22 4 4 45 
- That is to say, in each hundred species of visitors we have :— 
Apide. Lepidoptera.| Diptera. |OtherInsects.| Total. 
InLow Germany ...|  44°6 18°8 16°8 19°7 100 
Onthe Alps... .. | 22°2 489 20°0 8°9 100 
s No. 609, pp. 399, 400: No. 590, 111, pp. 76, 77.) 
212. ScaBiosa succisa, L.—The hemispherical capitulum con- 
is of fifty to eighty florets, nearly equal in size, which develop in 
Fia. 109.—Scabiosa succisa, L. 
1.—Flower, before dehiscence of the anthers (after removal of the epicalyx). 
2.—Ditto, after the anthers have ican aa’ 
3.—Ditto, in female stage. 
entripetal order. Honey is secreted by a small, fleshy ring above 
e€ ovary, surrounding the base of the style, and collects in the 
= ow, smooth base of the tube. The tube is 3 to 4 mm. long, 
nd above the smooth honey-containing portion it is lined with 
