Introduction to the study of fungi : their organography, classification, and distribution for the use of collectors . after the manner of the revolving oospherein Fucus. It is also stated that in many cases the cystidiafall out from the hymenium, and in company with the spores,and that it is upon the moist earth that fertilisation is gener- FERTILISA TION 55 ally carried out. The last observation, if verified, is ratherstrange, as the spores, when fallen, must be regarded as fullymatured; it seems to be rather an anomaly that a maturefruit should be fertilised, rather than when in an immaturec
Introduction to the study of fungi : their organography, classification, and distribution for the use of collectors . after the manner of the revolving oospherein Fucus. It is also stated that in many cases the cystidiafall out from the hymenium, and in company with the spores,and that it is upon the moist earth that fertilisation is gener- FERTILISA TION 55 ally carried out. The last observation, if verified, is ratherstrange, as the spores, when fallen, must be regarded as fullymatured; it seems to be rather an anomaly that a maturefruit should be fertilised, rather than when in an immaturecondition. This much, then, has been related by Smith in avery circumstantial manner, and from it he argues that in theAgaricini the cystidia produce the spermatozoids, by means ofwhich the spores are fertilised, either upon the hymenium, orafter they have fallen to the ground. During twenty yearswe have not heard that his observations have been confirmed,or that the question has been set at rest. Long before the above investigations Oersted claimed tohave discovered a sort of conjugation in the filaments of the. Fig. 33.—Development of sporocarp in Podosphaera. After De Bary. mycelium of Agarics, but this is now regarded as an error ofobservation. In 1872 C. H. Peck supposed that he had found in aspecies of Agaricus spores produced in globose asci, borne ona thick, tapering, penetrating peduncle, twelve or more sporesin the ascus. This again was doubtless a faulty observation,for other mycologists failed to find the asci on the gills of thespecimens determined and furnished by the original , de Seynes subsequently attributed the assumed asci tocystidia, and the supposed sporidia to external and internalgranules. Hence it may be affirmed that none of the sup-posed processes of fertilisation in Basidiomycetes have beenconfirmed, and until that is done they must be regarded asasexual. Another one-fourth of the total number of species of Fungi 56 INTRODUCTION TO THE STU
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