Phyllophora, 83.
Phyllosiphon, 8.
Phyllosiphonaceæ, 47, 61.
Physalis, 521.
Physarum, 6, 8.
Physcia, 139, 143.
Physcomitrium, 188, 197.
Physiological varieties, 41.
Physoderma, 103.
Physostigma, 471, 473.
Phytelephantinæ, 301.
Phytelephas, 299, 301, 302.
Phyteuma, 562.
Phytoamœbæ, 10, 61.
Phytolacca, 372.
Phytolaccaceæ, 372.
Phytomyxa, 8.
Phytophthora, 101, 104, 105, 106.
Piassava, 297.
Picea, 124, 129, 132, 155, 165, 265.
Pichurim, 392.
Picraena, 438.
Picris, 571.
Picrotoxine, 390.
Pilacraceæ, 157.
Pilacre, 157.
Pilea, 353.
Pilobolus, 99, 100.
A Handbook of Systematic Botany · The Wunder Library — complete classics, free to read, with narration.