202 
The first synonym given in L. & J. Manual has already been 
shown to belong to another species. 
Drummond’s No. 16 was issued in 1828 by Hooker and Wil- 
son, with the following description : 
“ Gymnostomum latifolium n. sp. acaule, foliis paucis rotunda- 
tis acutis imbricatis reticulatis, seta breviuscula, capsula turbinata, 
operculo plano rostellato, calyptra mitriformi, quadrisixfida. 
«“ Low points of the Saskatchewan, near Carleton House.” 
Sullivant followed Lindberg in calling it P. hians, and says 
the Icones: ‘The reason for displacing this species to constitute 
of it a mere variety of Drummond’s species is not evident. As 
has already been remarked by Wilson, in the London Journal of 
Botany (vol. 3, 433, 1841), it is very variable in size, some of the 
plants being as long as those of P. pyriforme, with which it is genet 
ally found mixed. Indeed, it apparently may be found passing 
into that species through intermediate forms.” 
In Sullivant’s herbarium is preserved a portion of the type of : 
P. jaans Lindb., founded on part of Sullivant’s specimens of No. 
234, S. & L. Musci Bot. Am. Ed. II., and these were compared ae. 
with Drummond’s No. 16. They are all one species, so that we 
do not understand the meaning of the above remarks, especially 
as this species has the most highly developed annulus of the 
_ genus, and characteristic leaves. Unfortunately Hooker's Vey 
descriptive name, /atifolium, was pre-occupied by Bridel for a 
Corsican species (Brid. Bryol. Univ. 1. 760, 1826). 
Hampe’s name occurs incidentally under the description of P. 
Thieleanum, but he gives G. /atifolium Hook. as a synonym, and . 
cites Schwegr. Suppl. t. 304, so that this name, and not the men 
Sullivant figured it under in the Icones, will have to stand. a 
Type locality: « Low points of the Saskatchewan, near Carlton 
House, Drummond.” It has also been collected in Manitoba an® 
Ontario, by Macoun, Canadian mosses No. 146; Montana, 
Williams; South Dakota, T. A. Williams; Minnesota, Laph: 423 
and Holzinger; Kansas, W. A. Kellerman and Minnie Reed, a a 
Ohio, Sullivant, by whom it was issued, mixed with No. 234.5" 
L. Musci bor. Am. as P. pyriforme. oe 
PHYSCOMITRIUM ACUMINATUM (Schleich.) Br. & Sch. Bryol. Eu. 4 4 
300 (1841). eh 
Gymnostomum acuminatum Schleich. Cat. Pl. Helv. 4° a ig 
(1821). ae 
