= KO — 
Über Pellia calycina (Tayr.) Nees.') 
Von 
E. ZACHARIAS. 
In den »British Jungermannieae« ?) berichtet HOOKER 
über den Thallus seiner Fungermanma epiphylla var. furcigera 
wie folgt: »Furcigera appears to be most abundant in the 
autumnal months, when the apices of the fronds are produced 
in a very remarkable manner; forming innovations, or, perhaps, 
more properly speaking, branched elongations, which are 
considerably narrow, and of a paler green than the rest of the 
frond, and have the ultimate branches always more or less forked. 
In the month of March, I have lately remarked, on plants of 
this description, that the branches become wider, and of a deeper 
colour, and that they gradually partake more of the usual 
appearance of the plant: roots descend from their under sides, 
and the old fronds seem to be going into a state of decay; 
so that these curious processes are, in all probability, destined 
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by nature as a means of increasing the species, different from 
any that has yet been noticed in the other Fungermannteae.s 
HOOkER's var. furcgera entspricht nach TAYLOR seiner 
Fungermannia calycina?), und diese der Pellia calycina N. ab E%), 
') Hinsichtlich der Abgrenzung dieser Art vergl. namentlich die eingehende 
Behandlung der älteren Literatur von GOTTSCHE. (Einige Bemerkungen zu 
THOM. JENSEN. Conspectus Hepaticarum Daniae. Hedwigia 1867. p. 49), ferner 
Jack. Beitr. zur Kenntn. der Zellia-Arten. Flora. Ergänzungsband. 1895. 
?) HOOKER, British Jungermannieae, London 1816, t. 47. 
®) MAackAvY. Flora Hibernica. 1836, p. 56. 
#) NEES VON ESENBECK. Naturgeschichte der Europäischen Lebermoose HI, 
p. 583. 1838. 
