Flowers and Insects in Great Britain. 
Part IV . 1 
Observations on the less Specialized Flowers of the Clova 
Mountains. 
BY 
J. C. WILLIS, Sc.D., 
Director of the Royal Botanic Gardens , Ceylon , 
AND 
I. H. BURKILL, M.A., 
Officiating Reporter on Economic Products to the Government of India. 
T HIS part of our paper contains all our unpublished observations upon 
Clova flowers ; it will be followed shortly by a concluding part, 
wherein our results will be reviewed. 
Class B, § 29. Large Crucifer Type. 
148 . Cheiranthus Cheiri, Linn. [Lit. Brit . 23, 29 ; N.C.E. 3 a, 14 a, 
33, 34; Alps 34.] A garden-plant with homogamous flowers needing 
insect aid for fertilization, visited in Britain and Germany by Apis and 
Bombus. Knuth, quoting Schletterer, names a number of other Hymen- 
optera seen on its flowers in the Tyrol. 
Visitors. Hymenoptera. Aculeata: Apidae\ (i) Apis mellifica L., sh. 23 . V. 
97, 800 ft. 
149 . Cardamine pratensis, Linn. [Lit. Brit. 23 ; N.C.E. 1, 3 a, 14, 
18, 24, 25, 34, 40. Hildebrand 1065, de Vries 2460, Warnstorf 2507 ; Arct. 
7, 37 a, 38.] Miiller, MacLeod, Knuth, de Vries, and Alfken record bees as 
visiting this plant in North Central Europe ; our observations are in singular 
contrast ; for out of 115 insects seen in spring and summer on the flowers, 
1 Part I. Annals of Botany, ix. 1895, p. 227; Part II. xvii. 1903, p. 313; Part III. xvii. 1903, 
P- 539- 
Annals of Botany, Vol. XXII. No. LXXXVIXI. October, 1908.] 
