Sketch page 54:Uredincae (?)Sketch page 54: Erysiphe communix - erysiphe is a genus of fungi. Many of the species in this genus are plant pathogens which cause powdery mildew [Wikipedia article]; pyrenomycetes are also known as sordariomycetes for their nature of appearing after a fire passes through the forest [Wikipedia]Sketch page 56 :Lchens are symbiotic associations of a fungus with a photosynthetic partner that can produce food for the lichen from sunlight [Wikipedia article]Sketch page 56: LichenSketch page 58: LlichenSketch page 58: Aspidium, commonly called fern, is the dried rhizome of several species of Dryopteris [Wikipedia article]Sketch page 60: Equisetum laevigatum is a fern that is native to California and is also found elsewhere in North America and beyondSketch page 60: Ptunia is a, trumpet shaped, widely-cultivated genus of flowering plants of South American origin, in the family Solanaceae [Wikipedia article]; cruciferae, also known as the crucifers, the mustard family or cabbage [Wikipedia article]Sketch page61: Allium cepa is also known as the 'garden onion' or 'bulb' onion and 'shallot'. [Wikipedia article]Sketch page 62: Hymenomycetes are a class of fungi within the phylum basidiomycota [Wikipedia article]Sketch page 62: Pollen tube acts as a conduit to transport sperm cells from the pollen grain, which has landed on the stigma, to the ovules at the base of the pistil. [Wikipedia article]Sketch page 64: Development of embryo in cruciferae gordonii