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 237
ds at the leaf-apex ;the stronger lateral veins of thefirst order proceed to the edge ofthe leaf, and there join on inarches to the next higher. Fromthe lateral veins of the first orderproceed lateral veins of the secondorder, and these proceed to successive degrees of branching. Thehigher the… … Fig. 78.—Ending of a vascular biindie in Impatiens pa^rvijiora (x 240), VASCULAR BUNDLE ENDS. 201 mately becomes so small as even to possess only one annularvascular tracheide. These thin veinlets lie in the spongy paren-chyma, they anastomose with one another into a fine network,and ultimately end…
Botany · Plant physiology · Microscopy
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