4i8 baker's north Yorkshire. 
an illustration of the method of naming plants before the 
Linnean binomial system was introduced. Several of the 
generic names in the ** Historia Muscorum " are still used. 
The book is in the Latin language, but a short description 
is given in English to every species. 
Genus 1. Byssus — latissima papyri instar super aquam 
expansa. 
The green paper Byssus. [Dill. His. Muse. , page 2^ Tab, /). 
20 species of Byssus are given. 
Genus 2. Conferva — contains 48 species. 
Conferva fluviatilis sericea, vulgaris et fluitans. Hairy 
river-weed, crow-silk, or floating silk conferva. (Dill. His. 
Muse.y page 12, Tab. 2 to "f). 
Genus 3. Tremella. — 17 species. 
Tremella marina vulgaris, lactucae similis. Oyster green 
or Laver. [Dill. His. Muse, page 41, Tab. 8 to 16). 
The above 3 genera comprise what are now classified 
as Fresh water Algae and seaweeds. 
Genus 4. Usnea. — 14 species. 
Usnea vulgaris, loris longis implexis, Stringy tree-moss 
or Usnea of the shops. {Dill. His. Mtisc.y page 56, Tab. 
J I to ij). 
Genus 5. Copalloides. — 39 species. 
Coralloides fungiforme carneum, basi leprosa. The flesh 
coloured mushroom-like coralloides. {Dill. His. Musc.^ page 
76, Tab. 14 to I'f). 
Genus 6. Lichenoides. — 135 species. 
Lichenoides crusta tenuissima peregrinis velut literis 
inscripta. The strange charactered Lichenoides. {Dill. 
His. Muse. ^ page 12^^ Tab. 18 to jo). 
Genera 4, 5, and 6 contain what are now classified as 
Lichens mainly. 
Genus 7. Mnium. — 8 species. 
This genus eommences the group of Urn Mosses (M usclneae), 
all of which are comprised in a total of 8 genera in the Hist. 
