624 ANGIOSPERMAE—DICOTYLEDONES 



1473. T. corymbostun Sch. Bip. (= Chrysanthemum corymbosum Z., and 

 Pyrethrum corymbosum Scop.). — Kerner made comparative cultivations of this 

 species in the Vienna Botanic Garden and on the Blaser in the Tyrol, and observed 

 that the lowland specimens develof>ed larger heads (26 mm. in diameter), and larger 

 ray-florets (tongues 8 mm. long and 4 mm. broad) than the highland ones, the heads 

 of which were only 20 mm. in diameter with ray-florets 7 mm. long. 



Visitors. — Herm. Mijller observed the following in Thuringia. — 



A. Coleoptera. (a) Buprestidac: i. Anthaxia nitidula Z. {b) Cerambycidae: 

 2. Strangalia bifasciata Miill. $ and S, freq. ; 3. S. melanura Z., both po-dvg. 

 {c) Curculionidae : 4. Spermophagus cardui Stev. {d) MordelUdae : 5. Mordella 

 aculeata Z. {e) Oedemeridae : 6. Oedemera marginata F.\ 7. O. virescens Z., 

 po-dvg. (/) Tekphoridae: 8. Danacea pallipes Pz.; 9. Dasytes flavipes F. 



B. Diptera. (a) Bombyliidae: 10. Anthrax morio Z. (b) Empidae: 11. Empis 

 livida Z., freq., skg. (c) Muscidae : 12. Aricia sp. ; 13. Ulidia erylhrophthalma ^1^., 

 in very large numbers. ((f) Stralioviyidae : 14. Nemotelus pantherinus Z., skg. 



C. Hemiptera. 15. Capsus sp., skg. ; 16. Phytocoris ulmi Z., skg. D. Hymeno- 

 ptera. (a) Apidae: 17. Halictus maculatus Sm. 5, freq., skg. and po-cltg. ; 

 18. Prosopis confusa Nyl. J; 19. P. variegata F. 5 and S, skg. and po-dvg., 

 also in copula on the heads. (b) Sphegidae: 20. Cerceris variabilis Schr. 5. 

 (<r) Chrysididae: 21. Hedychrum lucidulum Z'. S. (d) Tenlhredinidae : 22. Tarpa 

 cephalotes F., skg. (.'). E. Lepidoptera. (a) Rhopalocera : 23. Melitaea athalia 

 Fsp., skg.; 24. Thecla spini 6'. F., do. {b) Sphingidae: 25. Zygaena sp., do. 



Loew noticed the Sphegid Dinetus pictus F. t in the Berlin Botanic "Garden. 



1474. T. Parthenitim Sch. Bip. ( = Chrysanthemum Parthenium Bernh., 

 Matricaria Parthenia Z., and Pyrethrum Parthenium Sm.). (Knuth, ' BL u. Insekt. 

 a. d. nordfr. Ins.,' pp. 93, 159.) — In this species the style of the white female ray- 

 florets has no apical sweeping-hairs, but the yellow disk-florets possess them just like 

 Matricaria Chamomilla, though the stylar branches do not diverge so much in the 

 second stage of anthesis {cf. Fig. 202, 9). As Kirchner remarks (' Flora v. 

 Stuttgart,' p. 711), they do not project at all from the corolla after the anther- 

 cylinder has become retracted. 



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



Herm. MuUer (H. M.) and Buddeberg (Budd.), (Herm. Muller, ' Fertilisation,' 

 p. 331, ' Weit. Beob.,' Ill, p. 96) the bee Halictus smeathmanellus K. 5, skg. (H. M., 

 Budd.), an Evaniid (Foenus sp.), skg. (H. M., Budd.), and the Sphingid Sesia tipuli- 

 formis CL, skg. (H. M.). Schletterer (Pola), 3 bees (i. Halictus levigatus K.^; 

 2. H. patellatus Mar.; 3. Andrena carbonaria Z.). 



1475. T. alpinum Sch. Bip. (= Chrysanthemum alpinum Z.). (Herm. Miiller, 

 ' Alpenblumen,' pp. 430-2.) — This species is gynomonoecious with protandrous 

 hermaphrodite florets. The yellow disk-florets greatly exceed 100 in number, and 

 cover a circular area 10 mm. in diameter, which is extended by the white ray-florets 

 (about 30 in number) to 30-4 mm. The florets develop in centripetal order. The 

 possibility of self-pollination is ensured. 



Visitors. — Herm. Muller observed 3 beetles, 35 flies, 4 Hymenoptera, and 

 4 Lepidoptera. 



Loew saw a Muscid (Anthomyia sp.) on the Piz Umbrail (' Bliitenbiol. Floristik.' 

 P- 397)- 



