BioImages: The Virtual Field-Guide (UK)

Hypoxylon fragiforme (Scop.) J. Kickx f., 1835 (Beech Woodwart)

Date: 7 October 2007
Location: North Wiltshire, England
Voucher: 07/10/2007[A]
(Please quote this in any queries about this record)
State: Fruitbody
Record Summary: Fruitbodies on fallen Beech twig
Associated organism: on dead, fallen twig of Fagus sylvatica
Identification Notes: Ascocarps 3-4.5mm diam, globular, with slightly raised pimples containing ostioles.

Occasional ostioles with friable mass of ascospores. Under the microscope, the spores in these masses seem to be damaged.

Ascospores 13-14/6µm, 8 per ascus.
Asci: 90/8.5µm, plus stalk c. 50µm.
Ascus tip blued in iodine, actually a ring which shows as two right-angle triangles with their hypotenuses outwards and below.

Images etc

magnified photograph Fruitbodies - side view - enlarged 500 by 281 pixels
magnified photograph Fruitbodies - side view - highly enlarged 500 by 318 pixels
magnified photograph Fruitbodies - top view - enlarged 500 by 240 pixels
magnified photograph Fruitbody - LS - highly enlarged 500 by 430 pixels
magnified photograph Fruitbody - surface - magnified 500 by 438 pixels
microscope photograph Asci - magnified 500 by 486 pixels
microscope photograph Asci - magnified 500 by 461 pixels
microscope photograph Ascospores from superficial deposit - magnified 500 by 333 pixels
microscope photograph Ascospores from superficial deposit - highly magnified 500 by 333 pixels
microscope photograph Ascospores from superficial deposit - highly magnified 500 by 333 pixels
microscope photograph Ascospores in asci - magnified 500 by 264 pixels
microscope photograph Ascus tips - highly magnified 500 by 435 pixels
microscope photograph Asocspores and ascus tip - highly magnified 443 by 500 pixels

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