. Bulletin of the Illinois State Laboratory of Natural History. Natural history -- Illinois. FiGUEE 4. Erysiphe chicoracearum, DC. A ruptured perithecium with thread-like appendages and protrud- ing asci, each containing two spores, — magnified 90 times. n i^lk ^\*' Figure 5. Uncinula am- pelopsidis, Peck: a, perithe- cium with the numerous appendages (6) coiled at the tip,— magnified 100 times; c, ^^^ one of the appendages (tip) further magnified; d,anas- cus with five spores,—magni- fied 200 times. The lower, pointed end of the ascus is attached to the bottom of the cavity of the perithe
. Bulletin of the Illinois State Laboratory of Natural History. Natural history -- Illinois. FiGUEE 4. Erysiphe chicoracearum, DC. A ruptured perithecium with thread-like appendages and protrud- ing asci, each containing two spores, — magnified 90 times. n i^lk ^\*' Figure 5. Uncinula am- pelopsidis, Peck: a, perithe- cium with the numerous appendages (6) coiled at the tip,— magnified 100 times; c, ^^^ one of the appendages (tip) further magnified; d,anas- cus with five spores,—magni- fied 200 times. The lower, pointed end of the ascus is attached to the bottom of the cavity of the perithecium. ^. Figure 6. Phyllactinia suf- fulta, (Reb.) Sacc.: a, perithe- cium with the needle-shaped appendages (5) swollen at base,—magnified 50 times; c, a branched appendage; d, an ascus with two spores,— mag- nified 100 times, The point (pedicel) of attachment is shown. The appendages are normally quite straight, but are here shown as thej" ap- peared under the microscope, possibly mechanically 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 Illinois State Laboratory of Natural History. Bloomington, Ill. : The Laboratory
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