Note 130 — Chapter XVII
Reading edition
The following is a list of the principal genera, most of which are English:—Polygonum, Quercus, Sonchus, Gnaphalium, Cratagus, Lobelia, Lactuca, Hydrocotyle, Saponaria, Campanula, Bidens, Rubus, Oxalis, Artemisia, Fragaria, Clematis, Dioscorea, Potamogeton, Chara, Veronica, Viola, Smilax.