. FiG. 14,—Typical forms of asci. i, ascus of Peziza cerea, containing eight spores, also two paraphyses ; 2, ascus of SphaerosomaLeveillei; 3, Gcog/ossniii. Feckianiini, the long needle-shaped spores are in a bundle, paraphyses curved at the tip ; 4, Kyparoblus sexdccemsporjis, sixteen spores in an ascus ; 5, Tuber excavatuni, ascus with one large spore ; 6, Zignoella corticola. All figs, highly mag. cium, is elongated or star-shaped, and instead of a minute mouth or pore, splits along its whole length to admit of the escape of the pores. In the Basidiomycetes the pores are not produced in as


. FiG. 14,—Typical forms of asci. i, ascus of Peziza cerea, containing eight spores, also two paraphyses ; 2, ascus of SphaerosomaLeveillei; 3, Gcog/ossniii. Feckianiini, the long needle-shaped spores are in a bundle, paraphyses curved at the tip ; 4, Kyparoblus sexdccemsporjis, sixteen spores in an ascus ; 5, Tuber excavatuni, ascus with one large spore ; 6, Zignoella corticola. All figs, highly mag. cium, is elongated or star-shaped, and instead of a minute mouth or pore, splits along its whole length to admit of the escape of the pores. In the Basidiomycetes the pores are not produced in asci, but are borne at the tips of speciaUsed cells called basidia.


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Keywords: ., bookpublishernewyorkmacmillan, booksubjectplantdis, bookyear1910