112 ON RUBUS IDZXUS. 
its leaves it reminds us of the northern forms. Thus, if w e to 
judge from its characters, it should belong to the South of Europe 
which, however, is not the case. In the South of Europe we meet 
i No 
it is very common, even in the most northern part of Norway, haters 
as ee (Flora Lapponica, p. 146) tells us, it is ‘‘ omniu 
vulgatissimu 
When I “had become acquainted with the influence which a 
RR. Nuthanus, Moc., R. deliciosus, Torr., R. strigosus, Michx., R. borealis, 
pach., 2. occidentalis, L., R. leucodermis, Dougl., R. spectabslis, ines ). 
This last-mentioned character seems to mark all the North American 
species whose fruit separates from the receptacle, and I believe this to 
be of such importance that I consider all these species to belong to the 
same group, which I call the North American n type. * That group in- 
es “ red R. ’ 
L., RB. spectabilis, Pursh ae Nu utkanus, Mog., has the fruit red, but 
I do not know whether it is ever yellowish. It is also notvery un- 
— in the North rican — to find a downy fruit, 
rect stamens all of equal height and arranged in a closed’ verticillus 
* Tt mu i Yow We? be ira wei that th North 
America, R. wrsinus . Cham. et , that has a bark wealtog of bis the 
stem, notwithstan that stat t 
Asa Gray, Flora of fae ist isiecktuon uous with the receptacle (Torr. and 
