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’ 
: 
1896 | CURRENT LITERATURE 341 
impressed morphologists as sufficiently important to be included in modern 
texts. The reader will find the present work a mine, from which we doubt 
whether he can take out any ore of value. Certain it is that what he does get 
he will have to dig for amid the intricacies of involved sentences and the 
obscurity of a technical terminology that will daunt him from the very 
beginning. As nearly as we can understand Dr. Minks’ protrophy is an 
association between two species of lichens; one, the protroph, being unable 
at the beginning of its existence to nourish itself and needing therefore to 
fasten upon the body of the other independent species which precedes it, and 
to utilize this so far as necessary as a protection and support until it also can 
become independent. Protrophy is thus a special case of syntrophy, in which 
this dependent relation of the syntroph upon the other species is lifelong. : 
Readers who wish a fuller summary of the work will find a preliminary 
paper under the same title as the work in the Oesterreichische botanische 
Zeitschriftfor February and March of this year.—C. R. B. 
AN account of the history, types of variation and cultivation of the 
chrysanthemum has been published as an independent pamphlet by Henry 
L. de Vilmorin,‘ the well known horticulturist. The paper contains nothing 
hew, but is an interesting description of the flower which has achieved a 
popularity never equaled.—C. R. B 
cc: The paper closes with a section showin, 
paid “gas is the outcome of the geological history 
« m ia Vitmorin, Henry L.:--Le chrysanthéme; histoire, physiologie, 
n France et a l’étranger. Imp. 8vo. pp. 28. figs. 10. Paris: the author. 
s 
Sea BoTanicaL GAZETTE 22 : 62. 1896. 
Engl —* L.:—Vegetations-Biologie von Neu Seeland. 
Sler's Bot. Jahrb. 22: 202-300. PI. 3, figs. 7. 1896 
et culture 
896. 
Separat-Abdruck aus 
