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Introduction to Fungi, Third Edition

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372 HYMENOASCOMYCETES: PYRENOMYCETES<br />

Fig12.41 Scanning EM of synnemata of Graphium.The annellations are prominently visible. (a) Graphium penicillioides.<br />

(b) Graphium sp. Both images reprinted from Okada et al. (2000) with kind permission of Centraalbureau voor Schimmelcultures<br />

(Utrecht).Original prints kindly provided by G.Okada.<br />

Fig12.42 Cera<strong>to</strong>cystidaceae. (a) Perithecium of Sphaeronaemella fimicola. Note the extremely long neck and the crown of ostiolar<br />

hairs. (b) Enlargement of a mature perithecium apex, with the ostiolar hairs supporting a mucilaginous blob containing ascospores.<br />

The mucilage has a frothy appearance. Arrows indicate two ascospores ascending in the neck canal. (c) Ascus and conidium of<br />

S. fimicola. (d) The Gabarnaudia state of S. fimicola.The conidia are delimited at the apex of the phialide. (e) Phialide of Thielaviopsis<br />

basicola. Note that the cylindrical conidia are delimited deep inside the phialide neck. (d,e) <strong>to</strong> same scale.

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