488 



ANGIOSPERMAE—DICOTYLEDONES 



Fig. 165. Gaya simplex-. Gaud, (aftev Htiin, 

 Miiller). A. Flower in tlie first (male) sta^e. B 

 Ditto, in tlie 5.ti:ond (female) staj^e. 1-5, stamens 

 ;/. npctar\-". si, stigma. 



351. Gaya Gaud. 



1145. G. simplex Gaud. — Schulz (' Beitrage ') describes this species as andio- 

 monoecious, with protandrous hermaphrodite flowers. According to Hermann 



MuUer (' Alpenblumen,' p. 120), the flower 

 mechanism agrees with that of Meum 

 Mutellina. 



Visitors. — Herm. Muller saw 8 Diptera. 



352. Conioselinxim Fisch. 



1146. C. tartaricum HofFm. ( = C. 

 Fischeri Wiinm. et Grab., and Selinum 

 Gmelini ^ray).— Schulz ('Beitrage,' II, 

 p. 190) describes this species as andromo- 

 noecious, with protandrous hermaphrodite 

 flowers. 

 Loew (Berlin Botanic Garden) observed the following. — 



A. Diptera. (a) Miiscidae: i. Anthomyia sp., skg. ; 2. Chloria demandata Z'. ; 

 3. Pyrellia cadaverina L. ; 4. Sarcophaga carnaria L. {i) Syrphidae : 5. Eristalis 

 arbustorum Z., skg. ; 6. E. nemorum Z. ; 7. E. tenax Z., skg. ; 8. Helophilus floreus 

 Z., do.; 9. S3'ritta pipiens Z., do. B. Hymenoptera. Sphcgidae: 10. Oxybelus 

 hipunctatus OUv., 5 and S. 



353. Levisticum Riv. 



1147. L. officinale Koch ( = Ligusticum Levisticum Z.). — 



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

 stated. — 



Loew (Berlin Botanic Garden), — A. Diptera. (a) Muscidae: i. Anthomyia 

 sp., skg. (U) Syrphidae: 2. Helophilus trivittatus F.\ 3. Syrphus pyrastri Z., 

 skg. B. Hymenoptera. (a) Apidae: 4. Apis mellifica Z. 5, skg. and po-cllg. 

 (U) Sphegidae : 5. Crabro cribrarius Z. S. von Dalla Torre (Tyrol), the humble-bee 

 Bombus terrester Z. Kohl (Tyrol), tlie tiiie wasp Ancistrocerus parietum Z. 



354. Ligusticum L. 



1148. L. pyrenaicimi Gouan. — 



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

 stated. — 



MacLeod (Pyrenees), 17 short-tongued Hymenoptera, 16 Syrphids, 26 Muscids 

 and Empids. Loew (Berlin Botanic Garden), a hover-fly (Eristalis arbustorum Z.). 



1149. L. commutatum Regel. — 



Visitors. — Loew saw a humble-bee (Bombus terrester Z. 5), skg., in the Berlin 

 Botanic Garden. 



355. Selinum L. 



1150. S. pyrenaeum Gouan ( = Angelica pyrenaea Spreng.). — This species bears 

 flowers of a greenish colour. 



