If the plants inhabiting a country as described in any Flora, be divided into two equal masses, all those in the larger genera (i.e., those including many species) being placed on one side, and all those in the smaller genera on the other side, the former will be found to include a somewhat larger number of the very common and much diffused or dominant species.
Herrialde batean bizi diren landareak flora-liburuetan deskribaturik agertzen diren bezala talde bitan banatzen badira, alde batean genero handiago guztiak-hau da, espezie gehiago dituztenak-eta bestean genero txikiago guztiak jarriz, lehenengo taldeak espezie oso arrunt eta barreiatuen, edo espezie nagusien, kopuru zerbait handiagoa hartuko du.