Pollen Up Close (1837)
Illustrations of various strains of pollen in extreme magnification, as featured in Ueber den Pollen (1837), a book by St. Petersburg based German pharmacist and chemist Carl Julius Fritzsche.
For a key identifying each pollen type pictured see these descriptions (in German)
 | Source | Various |
 | Underlying Work Rights | PD Worldwide |
| Digital Copy Rights | Various – see source links. | |
 | Download | Right click on image or see source for higher res versions |
Pollen from a variety of common plants: sunflower (Helianthus annuus), morning glory Ipomoea purpurea, hollyhock (Sildalcea malviflora), lily (Lilium auratum), primrose (Oenothera fruticosa) and castor bean (Ricinus communis). The image is magnified some x500, so the bean shaped grain in the bottom left corner is about 50 μm long - Source
Jul 16, 2013
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