306 • Bryophyten. 



dieser Art in einem Lager, in welchem die Fichten-Pollenkörner 

 etwas reichlicher werden, gefunden sind. 



Die Verbreitung der vier zuletzt erwähnten Sphagmim-Arten 

 in Schweden, Norwegen und Dänemark wird auf einer über- 

 sichtlichen Karte verdeutlicht. Arnell. 



Nichols, G, E., Notes on Connecticut mosses, IV. (Rhodora. 

 XV. p. 3—13. January, 1913; issued February 7, 1913.) 



In addition to several new records of mosses (mainly 5/)Ä<7^«i^w?) 

 from Connecticut there are included descriptions of the foUowing 

 as new: CamptotJiecium niteiis var. falcifoliiini Ren., Fontinalis Al- 

 lenii Card., F. Novae Angliae var. heterophylla Card., F. Novae 

 A}igliae var. Lorensiae Card., and F. Novae Angliae var. latifolia 

 Card. All are from New England. There is given also a key to the 

 New England species and varieties of Fontinalis. Maxon. 



Williams, R. S., Dicranaceae [of North Americaj. (North Ame- 

 rican Flora. XV. 2. p. 77-158. August 8, 1913.) 



There are here described the 19 genera of the family Dicran- 

 aceae which occur in North America and the North American 

 species of each. The foUowing are here first described: Dicranella 

 Nicholsii Williams, from Jamaica; D. Dussii Williams, from Guade 

 loupe; Dicranum. laevidens Williams, from Yukon; Canipylopiis 

 delicatuliis Williams, from Cuba; C, saxatilis Williams, from Jamaica; 

 C. Brittonae Williams, from Jamaica; and C. Underwoodii Williams, 

 from Jamaica. The foUowing new "combinations" are published: 

 Dicranella piisilla (Hedw.) E. G. Britton [Dicranum piisilliini Hedw.); 

 Canipylopodiimt pusilliini (Schimp.) Williams [Carnpylopiis piisilliis 

 Schimp.); Oncophorns Jenneri (Schimp.) Williams {Didyniodon Jen- 

 neri Schimp.); 0. striiniulosus (C. Muell. and Kindb.) E. G. Britton 

 {Cynodontium strumnlositm C. Muell. and Kindb.); O. tenellus [BS. G.) 

 Williams {Dicranum gracilescens tenellum B. S. G.); Lencoloma Schwa- 

 neckeannm (Hampe) E. G. Bx\\xox\.{Dicranum Schwaneckeanum Hampe); 

 Dicranodontium denudatum (Brid.) E. G Britton {Dicranum deniida- 

 tiim Brid.); D. longisetmn (Hook) Williams {Dicratium longiseturn 

 Hook.); D. costarice)ise (C. Muell.) Williams {Leptotrichum costari- 

 cense C. Muell ); and D. ßagellaceuni (C. Muell.) Williams {Dicranum 

 ßagellaceum C. Muell.). Maxon. 



Williams. R. S,, Leucohryaceae [of North America]. (North 

 American Flora. XV. 2. p. 159-166. August 8, 1913.) 



Includes descriptions of the 3 genera comprising the family 

 Leucohryaceae and of the species of each One is described as new: 

 Octoblepharum erectifolium Mitten, the type collected in Trinidad 

 by Cruger. This species occurs also in Jamaica. Maxon. 



Williams, R. S., Panama mosses. (Bull. Torrey Bot. Club. 

 XXXVIII. p. 33-36 January, 1911; issued February 15, 1911.) 



A list of 39 species of mosses collected in various parts of 

 Panama by either M. A. Howe or R. S. Williams. Two new spe- 

 cies are described: Macromitrium ßavopilosum Williams, from 



