398 



ANGIOSPERMAEMONOCOTYLEDONES 



The following were recorded by the observers, and for the localities stated. 



Herm. Miiller (Alps), 2 humble-bees, Alfken (Bremen), the humble-bee 

 Bombus agrorum F. 5. MacLeod (Flanders) (Bot. Jaarb. Dodonaea, Ghent, v, 1893, 

 pp. 316-23). A. Coleoptera. Cerambycidae: i. Leptura melanura Z., numerous. 



B. Diptera. (a) Empidae: 2. Empis decora Mg., skg. (^) Muscidae: 3. Lucilia sp. 



C. Hymenoptera. 4. Small ants. 



2608. O. globosa L. (Herm. Muller, 'Alpenblumen,' pp. 61-76.) This 

 species bears butterfly flowers. 



Visitors. Herm. Muller observed 8 butterflies. 



Fig. 365. 0Aj^fo&wa, Z,. (after Herm. Mailer). ^. Flower, seen from below. A Do., seen almost 

 .directly from the front. C. Do., after removal of all the perianth leaves except the labellum, seen 

 obliquely from the side ( X 7). D. Reproductive organs and base of the labellum, seen directly from the 

 front (X 37). a, anther; a'a'y vestigial anthers; co, corolla; o, entrance to spur; ov, ovary; pp, upper 

 petals; p*, labellum; r, rostellum; ss, lateral sepals; j', upper sepal; sp, spur; st, stigma. 



1 



2609. O. purpurea Huds. (=0. fusca Jacq.). (Darwin, op. cit., p. 15.) 

 Darwin states that the flower mechanism of this species is the same as that of 

 O. mascula. 



2610. O. ustulata L. (Darwin, op. cit., p. 25 ; Herm. Muller, 'Alpenblumen,' 

 pp. 59-61.) This species bears Lepidopterid flowers. The very narrow entrance to 

 the spur, which is scarcely 2 mm. long, indicates small, short-tongued butterflies as 

 visitors. 



2611. O. tridentata Scop. (Herm. Muller, 'Weit. Beob.,' I, p. 291.) 

 Visitors. Herm. Muller jr. (Jena) saw the humble-bee Bombus hortorum L. 



with poUinia adhering to the front of its head. 



2612. O. sambucina L. 

 Visitors. Hofier (Steiermark) saw the humble-bee Bombus mastrucatus Gerst.\ 



