Page:Popular Science Monthly Volume 43.djvu/818

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THE POPULAR SCIENCE MONTHLY.

be considered a highly specialized offshoot. There is immense variation in the foliage characters of agave, from the slender

PSM V43 D818 Yucca guatemalensis.jpg

Fig. 8.—Yucca Guatemalensis.

reed-like leaves of Agave geminifolia to the massive blades of Agave Americana. The character of the inflorescence has been