Handbook of practical botany for the botanical laboratory and private student (1908)
Strasburger, Eduard, 1844-1912, Hillhouse, William, 1850-1910 · London, S. Sonnenschein; New York, Macmillan · leaf 70
l. The water in which the sectionsare lying soon begins to displace the oil from the ground sub-stance ; this latter is gradually disorganised; great masses of oilcollect upon and around the section. These in part cling to theobject and to the glass, and have an irregular form, in part lie free,and… … 34 II. FOOD liESEKVES IN SITU. rim. If the tube be lowered, the black rim disappears, and thedisk shows a somewhat brighter contom\ If the tube be raised,the black rim becomes, on the other hand, broader. The oil-drops show, therefore, exactly opposite appearances to thosewhich we saw on p. 15 were…
Botany · Plant physiology · Microscopy
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