. Handbook of flower pollination : based upon Hermann Mu?ller's work 'The fertilisation of flowers by insects' . Fertilization of plants. Fig. 165. Gaya simplex-. Gaud, (aftev Htiin, Miiller). A. Flower in tlie first (male) sta^e. B Ditto, in tlie :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
. Handbook of flower pollination : based upon Hermann Mu?ller's work 'The fertilisation of flowers by insects' . Fertilization of plants. Fig. 165. Gaya simplex-. Gaud, (aftev Htiin, Miiller). A. Flower in tlie first (male) sta^e. B Ditto, in tlie :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 S
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