It is well worth while carefully to study the several treatises on some of our old cultivated plants, as on the hyacinth, potato, even the dahlia, etc.; and it is really surprising to note the endless points of structure and constitution in which the varieties and sub-varieties differ slightly from each other.
Merezi du antzinatik hazi ohi dugun zenbait landareri, hala nola hiazinto, patata, dalia berari eta abarrei buruzko tratatu ezberdinak arretaz aztertzea, eta harrigarria da benetan ikustea zenbat eta zenbat egitura-eta osaera-puntutan bereizten diren bata bestetik arinki.