596 ANGIOSPERMAE—DICOTYLEDONES 



429. Telekia Baumg. 



Clavate end of the style with sweeping-hairs ; stigmatic papillae occupying 

 a longitudinal groove on the inner side of each branch. 



1386. T. speciosa Baumg. (Hildebrand, 'U. d. Geschlechtsverhalt. b. d. 

 Compositen,' pp. 24-5, Taf. II, Figs. 16-17 > Kerner, 'Nat. Hist. PI.,' Eng. Ed. i, II, 

 pp. 191, 322.) — In this species the disk-florets are at first yellow in colour, but 

 afterwards turn brown. Kerner states that the common receptacle is flat to begin 

 with, but becomes raised in the course of anthesis, so that the receptive stigmas of 

 the outer florets are brought into the line of fall of the pollen of the inner ones. 



430. Buphthalmum L. 



1387. B. salicifolium L. (=B. grandiflorum L.). — As No. 1386. 



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

 stated. — 



Herm. Miiller (Alps), 3 flies, 6 H3Tnenoptera, and 6 Lepidoptera ('Alpenblumen,' 

 p. 444). Schiner (Austria), the Bombyliid Exoprosopa cleomene Egg., and the 

 Conopid Myopa variegata Mg., occasional. 



431. Dahlia Cav. 

 The stylar branches are covered externally with sweeping-hairs, extending from 

 about half-way down to their tips, and longest in the middle. Stigmatic papillae 

 in two marginal rows. 



1388. D. variabilis Desf. (Hildebrand, ' U. d. Geschlechtsverhalt. b. d. 

 Compositen,' pp. 19-20, Taf. I, Figs. 26-9.) — The female ray-florets of this species 

 usually possess vestigial stamens. 



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

 stated. — 



Knuth (on unfertilized heads in the Botanic Garden of the Kiel Ober-Realschule ; 

 10. 9. 97), numerous honey-bees, which while nect-skg. covered their under-sides with 

 pollen (' Bliitenbiol. Notizen'). Alfken (Bremen), 4 humble-bees — 1. Bombus 

 agrorum F. } and 5 ; 2. B. lapidarius L. S ; 3. B. ruderatus F. S ; 4. B. terrester L. t>. 



1389. D. Cervantesii Lag. — 



Visitors. — Loew observed a hover-fly (Syrphus balteatus Deg.) and a humble- 

 bee (Bombus terrester Z. S), both skg., in the Berlin Botanic Garden. 



432. Silphium L. 



1390. S. Asteriscus L. — 



Visitors. — Loew observed the following in the Berlin Botanic Garden. — 



A. Diptera. Syrphidae: i. Eristalis tenax Z. ; 2. Syritta pipiens Z. B. 



Hymenoptera. Apidae: 3. Apis mellifica Z. 5, skg. and po-cltg. ; 4. Bombus 



terrester Z. S, skg. ; 5. Halictus leucozonius Schr. 5, do. ; 6. H. sexnotatus K. 



5, do. C. Lepidoptera. Rhopalocera: 7. Rhodocera rhamni Z. ; 8. Pieris 



brassicae Z., skg. 



1391. S. connatum L. — 



Visitors.— Loew observed a hover-fly (Eristalis nemorum Z.), a humble-bee 

 (Bombus terrester Z. S, skg.), and a butterfly (Pieris brassicae Z., skg.) in the Berlin 

 Botanic Garden. 



