Note 1 — Chapter VIII
Reading edition
The slice given in Fig. 64 is from a broader-leaved form, U. lactuca, because this species, being composed of only one layer of cells, is better seen. Ulva linza is composed of two layers of cells.
Reading edition
The slice given in Fig. 64 is from a broader-leaved form, U. lactuca, because this species, being composed of only one layer of cells, is better seen. Ulva linza is composed of two layers of cells.