. Handbook of flower pollination : based upon Hermann MuÌller's work 'The fertilisation of flowers by insects' . Fertilization of plants. 92 ANGIOSPERMAEâDICOTYLEDONES unbidden guests, an Empid, a hover-fly, 2 bees, a fossorial wasp, a true wasp, 2 Lepidoptera, and 4 beetles. MacLeod (Pyrenees), 4 short-tongued Hymenoptera, 3 beetles, and 3 Muscids: none of these bore pollinia (Bot. Jaarb. Dodonaea, Ghent, iii, 1891, p. 344).. Fig. 255. Asckpias syriaca^ L. (after Herm. Miiller). (i) Flower after removal of sepals and petals, seen from above ( x â i,)i). (2) Do., from the side. (3) Do., after
. Handbook of flower pollination : based upon Hermann MuÌller's work 'The fertilisation of flowers by insects' . Fertilization of plants. 92 ANGIOSPERMAEâDICOTYLEDONES unbidden guests, an Empid, a hover-fly, 2 bees, a fossorial wasp, a true wasp, 2 Lepidoptera, and 4 beetles. MacLeod (Pyrenees), 4 short-tongued Hymenoptera, 3 beetles, and 3 Muscids: none of these bore pollinia (Bot. Jaarb. Dodonaea, Ghent, iii, 1891, p. 344).. Fig. 255. Asckpias syriaca^ L. (after Herm. Miiller). (i) Flower after removal of sepals and petals, seen from above ( x â i,)i). (2) Do., from the side. (3) Do., after removal of the nectar-secreting organs (cuculli) ( < 7). (4) Do., after removal of a stamen. (5I The detached stamen, seen from outside. (6) Inner side of do. (7) Nectar-secreting organ (cucullus) (x 3^). (8) Do., in long;itudinaI spction, to show the conical process apposed to an anther. (g) Freshly extracted pollinia, seen from the outside (X 7). (10) Do., when the torsion of the bands is half complete. (11) Do., when the torsion is complete. (12) Longitudinal section of flower, after removal of sepals, petals, and cuculli. a, cucullus; /», conical process of do.; c, membranous process of connective; d^ outer side of loculus containing a pollinium ; e, lateral wing of an anther, which with the corresponding wing of the adjacent anther bounds a slit {f)^ into which first the foot of an insect and then a pollinium is introduced; g^ clip of the upper end of a slit, united by bands (/;) to two pollinia (i'), from the adjacent loculi of different anthers; k. empty loculus of anther; /, connective ; m^ cylinder surrounding the ovary and bearing the cuculli and stamens ; w, place of attachment of a cucullus ; 0, stigmatic chamber; ^, fleshy stigmatic disk; y, Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the origi
Size: 1330px × 1879px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpublisheroxfor, bookyear1906
