[198] Bull. de la Société Botanique de France, tome 26, 1879.
[199] Geographie botanique. Influence du terrain sur la vegetation. Baillère et Fils, Paris, 1881, 143 pp.
[200] Pflanzengeographie, p. 111 & ff.
[201] Report No. 71, U. S. Dep’t. of Agriculture, 1902.
[202] This plant grows with equal luxuriance in soils containing only 680 pounds of carbonates.
[203] For more details see chapters [3] and [4].
[204] This writer’s valuable “Boden Runde” (1905) unfortunately came to hand too late to be considered in this volume.
Transcriber’s Notes:
The cover image was created by the transcriber, and is in the public domain.