I. Thal-lo-phytes; as the Slime-moulds, Bacteria, Common Algae (green Pond-scum, etc.), Marine Algae (“Sea-moss”), Moulds, Mildews, Smuts, Rusts, Mushrooms, Toadstools, Puffballs, etc.
II. Bry-o-phytes; The Mosses and Liverworts.
III. Pter-id-o-phytes; The Ferns, Club-mosses and Horsetails.
IV. Sper-mat-o-phytes; The Gymnosperms (Pines, etc.) and Angiosperms (Monocotyls and Dicotyls).
ORDERS OF MOSSES.
1. Sphag-na-les; the Bog-mosses or Sphagnum.
2. An-dre-æ-a-les; one genus of small Mosses in mountain regions.
3. Ar-chid-i-a-les; only one very short-stemmed species.
4. Bry-a-les; the common Mosses occurring in Ohio.
The only book that could be used by beginners in identifying Mosses, is Grout’s “Mosses with a Hand-lens,” price $1.10; procure if wanted from the author, or if placed in our hands the order will be attended to. The Manual by Lesquereux and James could be used by advanced students.