47 



ANG10SPERMAE DICOTYLEDON ES 



protogynous (op. cit., pp. 311, 3 2 3)- He agrees (op. cit., p. 278), however, with 

 Hermann Miiller and others in stating that at the beginning of anthesis only pollen- 

 covered anthers project from all the flowers, and later only styles with receptive stigmas. 



Schulz states that umbels 

 of orders 1 to 3 usually bear 

 only hermaphrodite flowers, 

 while those of the fourth 

 order chiefly contain male 

 ones. 



Visitors. I observed the 

 following po-dvg. hover-flies; 

 and skg. bees and butterflies 

 in the Botanic Garden of the 

 Kiel Ober-Realschule. 



A. Diptera. Syrphidae : 



1. Eristalis nemorum Z. ; 



2. Syrphus ribesii Z. B. 

 Hymenoptera. Apidae : 



3. Apis mellifica Z. J; 4. 

 Bombus lapidarius Z. j; 5. 

 B. terrester Z. 5 and . C. 

 Lepidoptera. Rhopalocera : 

 6. Pieris rapae Z. ; 7. Vanessa 

 atalanta Z. 



Herm. Miiller gives the 

 following list 



Fig. 160. Erytigiunt campestre, L. (after Herm. Mailer). 

 (1) Flower in the first (male) stage. (2) Flower in the second (female) 

 stage. (3) The same; after removal of sepals, petals, and styles. 

 (41 Petal seen from the inner side, a', mature anther ; n, nectary ; ov, 

 ovary; p, petal ; s, sepal ; si, immature stigma; sf, mature stigma. 



A. Diptera. (a) Muscidae: all skg.: i. Species of Anthomyia; 2. Echinomyia 

 feraZ. ; 3. Lucilia caesar Z. ; 4. Sarcophaga carnaria Z. (b) Syrphidae: all freq. : 



5. Eristalis arbustorum Z. ; 6. E. nemorum Z. ; 7. E. tenax Z. ; 8. Helophilus 

 floreus Z. B. Hymenoptera. All skg. (a) Apidae : 9. Andrena rosae Pz. 5 ; 

 10. Apis mellifica Z. jjj; 11. Halictus cylindricus F. J; 12. H. longulus Sm. 5; 

 13. Nomada robjeotiana Pz. $>. (6) Chrysididae : 14. Chrysis sp. (c) Sphegidae: 

 15. Ammophila sabulosa Z., freq.; 16. Cerceris albofasciata Rossi, one; 17. C. 

 labiata F., freq. ; 18. C. variabilis Schr., not infrequent ; 19. Philanthus triangulum F. ; 

 20. Salius versicolor Scop. F. 5. (d) Scoliidae: 21. Tiphia femoratai^. (e) Vespidae: 

 22. Odynerus parietumZ. 5; 23. Polistes gallica Z., exceedingly common ; 24. P. 

 biglumis Z., do. 



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



Krieger (Leipzig), the Chrysidid Hedychrum nobile Scop, and the fossorial wasp 

 Ammophila affinis K. Friese (Hungary), on the authority of Mocsary, the bee Nomia 

 femoralis Pall., freq. F. F. Kohl (Tyrol) the Chrysidid Chrysis rutilans Oliv. Rossler 

 (Wiesbaden) the moth Agrotis vestigialis Roil. Schiner (Austria), a Syrphid (Merodon 

 analis Mg), and 8 Muscids (1. Anthomyia albescens Zett. ; 2. Cnephalia bucephala 

 Mg. ; 3. Melania bifasciata Mg. ; 4. M. volvulus F. ; 5. Ocyptera brassicaria Deg. ; 



6. Sarcophaga grisea Mg. ; 7. Sarcophila latipons Fall.) 8. S. meigeni Schin.). 

 Plateau (Belgium), the honey-bee and 3 Syrphids (Syritta; Eristalis arbustorum /..; 

 E. tenax Z.). 



1098. E. bourgati Gouan. The flowers of this species are blue in colour, 

 and belong to class S. 



