CHAP. CV.

CORYLA'CEiE. QUE'RCUS.

1833

ing in the interstices a very tough whitecentral fibre, which pervades the wholeplant. The shields (a) are now and thento be found at the divarications of theprincipal branches, and nearly of the samecolour : their margins radiate with rigidpointed fibres. This moss was formerlyused as a styptic.” {Eng. Bot., vol. iv.)

The other lichens that grow on the oak,says Mr. Borrer, are generally those thatoccur on other trees under similar circum-stances of age, size, and situation. If a few of them have been observed onthe oak, or on oak wood only, they are among the most obscure, and on thataccount extremely liable to have been overlooked elsewhere : such as Caliciummicrocephalum Eng. Bot., t. 1865.; C. hype-rellum Ach., Eng. Bot., t. 1832.; Spilomapunctatum Eng. Bot., t. 2472.; S. fuliginosumBrit. FL, syn. S. microclonum Eng. Bot.,t. 2150., and our fig. 1662, but not of Ach.;

Lecidea cornea Brit. FL, syn. Lichen corneusEng. Bot., t. 965., and our fig. 1664. ; Ope-grapha lvncea Brit. FL, syn. Lichen lynceus Eng. Bot., t. 809.; and thedoubtful Opegrapha niicroscopica Eng. Bot , t. 1911. ; and Verrucaria ana-lepta Ach., syn. Lichen analeptus Eng. Bot., t. 1848., and our fig. 1663.

Fungi. Among those that are found on the wood are : -Igaricus fusipesBull., syn. A. crdssipes Sovj., t. 129.; A. erinaceus Fries, syn. A. lanatus

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Sow., t. 417.; A dryinus Pers., syn. A. dimidiatus Schceff., t. 233., and ourfig. 1665.; A. palmatus Bull., Sow., t. 62., and our fig. 1666.; A. ostreatusJacq., Sow., t. 241., and our fig. 1667.; A. stipatusPers.; A. papyraceus Pers., syn. A. membranaceusBolt. Fun., 1. 11 . ; Merulius la-crymans Schum., syn. .Boletuslacrymans Sow., t. 113., thedry rot ; B. arboreus Sow., t.

346.; Daedalea quercina Pers.,

Grev. Crypt., t. 238., Sow.t. 181., and our fig. 1668. ;

D. biennisFr.,-Boletus biennisSow., 1 . 191.; Polyporus squa-mosus Fries, Grev. Crypt., t. 207., and our fig. 1669.; P. lucidus Fr., syn..Bolhtus lucidus Sow., t. 134.; P. sulphureus Fries, Grev. Crypt.., t. 113.;P. hispidus Fries, Grev. Crypt., t. 14., syn. -Boletusvelutinus Sow., t. 345., and our fig. 1670.; and P.dryadeus Pers., syn. .Boletus pseudo-igniarius Bull.,t. 458., the false amadou. This species is not commonin England; but it has been found on oak trees in Rag-ley Park near Alcester, at Himley near Dudley, andin Rockingham Forest. It is of a cinnamon colourwhen young, and whitish when old, changing, whenbruised, to a reddish brown. When fresh, it distils drops of moisture from the