. Flower ecology. Plant ecology; Fertilization of plants. 79. PIG Fig. 31. Milkweed. PoUinia of ^sctepias cor»uti; 1. flower as seen from the side; 3. cross section of flowers; 4, polllnia; 5, foot of insect with pollinia. (After Eeraer von Marilaun.). 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 original Pammel, Louis Herman, 1862-1931. [n. p. ] Press of J. B. Hungerford

---

Size: 1869px × 1336px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookdecade1890, booksubjectfertili, bookyear1898