. The ecological relations of roots . A. Aletes acaulis. B. Network of fine rootlets of Aletes. C. Smilacina stellata. D. Thlaspi A. Half-gravel-slide, showing Elymus triticoides and the large bare Elymus triticoides. C. Ruhus deliciosus.

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Keywords: ., bookcentury1900, bookdecade1910, bookidecologicalre, bookyear1919