- 1. Lilium. Uninucleate microspores after separation of daughter cells Lieder_8510e
- 2. Lilium. Mature two-nucleate pollen grains at the time of shedding. Each pollen grain possesses Lieder_8511e
- 3. Lilium. Mature pollen grains, w.m. to show structure of the cell walls Lieder_8512b
- 4. The Nervous Tissue, 24 projection slides Lieder_851