Triumphs and wonders of the 19th century, a volume of original, historic and descriptive writings showing the many and marvellous achievements which distinguish an hundred years of material, intellectual, social and moral progress (1901)
Boyd, James Penny, 1836-1910 · Philadelphia, A. J. Holman & co · leaf 123
der. Through theadvance in morphological botany we have learnedto regard it as the result of some normal law ofdevelopment, innate to the plant, and which couldas well be the regular as the occasional condition.In other words, there is no reason why Naturemight not make the five-spurred flower as…
Progress · Inventions
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