Hydrocharis, 282.
Hydrocharitaceæ, 278, 282.
Hydrocleis, 281.
Hydrocotyle, 491, 493.
Hydrocotyleæ, 493.
Hydrodictyaceæ, 47, 51.
Hydrodictyon, 9, 52.
Hydrolea, 515.
Hydrophyllaceæ, 515.
Hydropterideæ, 205, 215, 239.
Hydruraceæ, 16.
Hydrurus, 16.
Hygrophorei, 172.
Hygrophorus, 172.
Hylocomium, 197.
Hymenæa, 468.
Hymenium, 88.
Hymenogaster, 174, 175, 176.
Hymenogastraceæ, 176.
Hymenolichenes, 176.
Hymenomycetes, 96, 145, 159.
Hymenophore, 159.
Hymenophyllaceæ, 206, 210, 215.
Hymenophyllum, 215.
Hyoscyamine, 522.
Hyoscyamus, 518, 519, 520, 521, 522, 523.
Hypecoum, 395, 396.
Hypericaceæ, 413.
A Handbook of Systematic Botany · The Wunder Library — complete classics, free to read, with narration.