Again, the curious distortions on the stems of nettles attacked by the Aecidium form of the heteroecious Puccina (]aricis (see FUNGf for Heteroecism), or on maize stems and leaves attacked by Ustilago Maydis, or on the inflorescence of crucifers infested with Cystopus, &c., are not individually very destructive; it is the cumulative effects of numerous attacks or of extensive epidemics which eventually tell. [Please select]
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Can the family of the White Butterfly be settled on other Crucifers than the cabbage. [Please select]
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They doubtless have habits similar to those of the Falcate Orange-tip, and the extreme delicacy of color must render them practically invisible when resting upon the small white flowers of most crucifers. [Please select]
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Let us be content with what we have seen: the fare has been sufficiently varied to show us that the cabbage-caterpillar feeds exclusively on a large number of crucifers, perhaps even on all. [Please select]
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