Part 255

Zinnia, 572.

Zizania, 293.

Zizyphus, 448.

Zoochlorella, 9.

Zoogametes, 12.

Zooglœa, 27.

Zoogonicæ, 68, 70.

Zoosporangia, 10.

Zoospores, 10, 87.

Zooxantella, 9.

Zostera, 279, 280, 306, 316.

Zostereæ, 278.

Zygadenus, 310.

Zygochytriaceæ, 103.

Zygomorphy, 277.

Zygomycetes, 95, 96.

Zygophyllaceæ, 438.

Zygophyllum, 438.

Zygospore, 12.

Zygote, 12.

Zygnema, 44, 45.

Zygnemaceæ, 44.

Butler & Tanner, The Selwood Printing Works, Frome, and London.

FOOTNOTES:

See Angiospermæ.

According to the recent investigations of Winogradsky some micro-organisms (Nitrifying-bacteria) can build organic from inorganic matter. Sachs’ hypothesis that the first organisms must necessarily have contained chlorophyll is therefore untenable.

Myxogasteres, Engler’s Syllabus, p. 1.

Acrasieæ and Plasmodiophorales, ibid.