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Prof. C. F. Baker, Santiago de las Vegas, Cuba, offers in exchange a 
limited number of specimens of the following Hepaticae: Aneura multi- 
Jida Dum.; Bryopteris diffusa Nees; Bryopteris tenuicaulis Taylor; 
Frullania atrata Nees; Leptolej eunea e l lip tic a Nees ; Madotheca sp. (So. 
Cal.); Marckantia polymorphia L. (So. Cal.); Peltolej eunea Jackii Sz.: 
P lagiochila dubia L. & G. ; Plagiochila zacuapana G. : and Taxilej eunea 
erosifolia W. 
List of northern hepatics which I desire in return for the above will be 
given on application. 
HERBARIUM FOR SALE. 
The moss collection of K. A. T. Seth, Conservator of the Botanical 
Museum, Upsala, Sweden, is offered for sale: it contains the following sets: 
A T. Seth (Sweden ; representing over forty years work). 
W. P. Schimper (Abyssinia, Guadeloupe, Europe). 
J. Z. Zetterstedt (Sweden, Norway, Pyrenees). 
S. Berggren (Sweden, Norway, Spitzbergen, Greenland, Nowaja 
Semi j a, Beeren Island). 
E. Nyman (Sweden, Norway, Java, New Guinea). 
P. Dusen (Sweden, Kamarum, Chili, Terra del Fugo, Patagonia). 
Besides these it contains specimens secured by exchanges from C. Muel- 
ler, Lorentz, Spruce, L’Herminier, Breidler, Geheeb, Milde, Ruthe, Juratzka, 
Fred. v. Mueller, Weber, F. Winter, C.J. Hartman, C. Hartman, R. Hart- 
man, Arnell, Kindberg, Hagen, Bryhn, Kaaloos, Wulfsberg, Kaurin, Warns- 
torf, Cobrier, Levier, Molendo, Wood, Booth, Blytt, Brotherus, C. Jensen, 
Wahlenberg, Cleve, Bomanson, and Lindberg. 
Further information may be had by addressing Dr. P. A. Rydberg, New 
York Botanical Garden, who has the list of species. 
