loo NOTES OF A BOTANIST 
" Some genera of mosses, absent in the plains, 
began to appear in the lower forest zone of the 
Andes. For example, those splendid mosses of 
the genera Phyllogonium, Rhacophilum, and Hypo- 
pterygium, all of which, by their primary leaves 
arranged in double rows, and in the latter- named 
genera accompanied by stipulated folioles, appeared 
at first sight to be Hepaticae rather than true mosses. 
Among other mosses which are met with in the 
Andes of Peru, but which are never found in the 
plain, are Helicophyllum, Disticophyllum, Cryphaea, 
Pterobryum, Entodon, Fabronia, etc. The Tortulai, 
represented along the banks of the Amazon, but 
very rarely, by the single T. agraria, begin to be 
less scarce ; also the genus Bryum, of which the 
B. coroiiatiim and a barren form of B. argenteiim are 
the only species found on the Amazon. 
"With regard to the Hepaticae, while the Lejeuneae 
are almost as abundant as upon the banks of the 
Amazon, and still show the same preference for the 
living leaves of trees, the Frullaniae, of the sub- 
genus Thyopsiella (which are related to our F. 
tmnarisct), appear there for the first time. Among 
other genera of the Eastern Andes which are 
never seen in the plains may be named Porella, 
Herberta, Mytilopsis, Adelanthus, Leioscyphus, 
Jungermannia, Scalia, Marchantia, Dendroceros, 
and Anthoceros. Lepidozia, which is represented 
in the plain by a microscopic species (and that 
found only once !), is met with in the mountains of 
Tarapoto in the form of large and elegant species." 
On examining Spruce's descriptive catalogue 
of the plants which he collected, and which are 
numbered consecutively, I find that there are 
