A cool Miss South Africa image:
Image from page 239 of “Plants and their ways in South Africa” (1915)
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Identifier: plantstheirway00ston
Title: Plants and their ways in South Africa
Year: 1915 (1910s)
Authors: Stoneman, Bertha, 1866-
Subjects: Plants
Publisher: London, Longmans, Green
Contributing Library: The LuEsther T Mertz Library, the New York Botanical Garden
Digitizing Sponsor: The LuEsther T Mertz Library, the New York Botanical Garden
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Text Appearing Before Image:
eer Leting, Miss Doidge hasfound that a mould (Mucor) effects the change from starch tosugar and can also ferment some of the sugar, forming somealcohol. When the Leting is fresh a bacterium causes an acidfermentation of the starch of the Kaffir corn thus producing avery wholesome drink which is not intoxicating. Many of the rusts live part of their life as parasites on onehost while to complete their life-history quite another host isnecessary. 224 Plants and their Ways in South Africa Where do Mushrooms Bear their Spores?—Cut off the stem of a common Mushroom. Lay the cap carefullyon a sheet of paper, gills downwards. After several hoursthere will be a pretty spore print on the paper. The finepowder is the spores. When the spores lodge in a place withsuflficient moisture, they send out delicate white threads, whichgrow mostly underground, but you can see them on thesurface under trees during the rainy season. They look likemasses of wet cotton-wool. This is what Mushroom gardeners
Text Appearing After Image:
Fig. 197.—Photograph of a Mushroom {Amanita), showing the ring {annulus)and cup [volva). call spawn. It takes up moisture and food from the soil,and as it may grow underground for months, it is no wonderthat when Mushrooms come they seem to spring up in anight- They start as buttons on the spawn, and may getquite large before we notice them. One common Mushroom, Psalliota campestris, which isoften cultivated for the table, has pink gills (the spores are atfirst pink) which after a time turn brown. It has a white orbrownish cap and a ring around the stem. The Mushroom in Fig. 197 has a ring which shows on theupper portion of the stalks. This ring is the remainder of a Classification of Plants 225 veil of interwoven mycelium which was attached to the edge ofthe umbrella (pileus) and protected the gills. The stalk ofthis one stands in a cup which, like the ring, is the remains ofa protecting veil. Butthis one extended overthe cap. When the cappushed through, parts ofthe veil made the r
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