Apeiba, 424, 425.
Apetalæ, 336, 337.
Aphanizomenon, 25.
Aphanocapsa, 24.
Aphanochæte, 54.
Aphthæ, 180.
Aphyllanthes, 312.
Apiocystis, 51.
Apios, 471.
Apiosporium, 124.
Apium, 494, 498.
Aplanogametangium, 12.
Aplanogametes, 12.
Aplanospores, 10.
Apocynaceæ, 542, 543, 549.
Apocynum, 514.
Apogamy, 203.
Aponogeton, 281.
Aponogetonaceæ, 281.
Apospory, 188.
Apostasia, 329.
Apostasieæ, 328, 329.
Apothecium, 118, 132.
Apple, 127, 130, 464, 465.
Apricot, 121, 461, 462.
Aquifoliaceæ, 444.
Aquilegia, 378, 379, 381, 382.
Arabis, 402.
A Handbook of Systematic Botany · The Wunder Library — complete classics, free to read, with narration.