The extension of this great barrier southwards to the point at which it met the limes Raetiae was undertaken by Trajan, though we cannot say how far he carried the work, which was not entirely completed till long after his time.
The more secure control which the Romans now maintained over the territory within the limes tended to its rapid civilization, and the Roman influence, if not the Roman arms, soon began to affect powerfully the regions beyond.
English hydraulic limes are of a different class; they contain a good deal of alumina and ferric oxide, and in composition resemble somewhat irregular Portland cement.
Then at the beginning of the 5th century, during a furious irruption of Germans fleeing before Huns, the limes was carried away (406407); and for more than a hundred years the torrent of fugitives swept through the Empire, which retreated behind the Alps, there to breathe its last.
It is probable that the northernmost part of the great limes Germaniae, from the Rhine at Rheinbrohl, nearly midway between Coblenz and Bonn, to a point on the Main east of Frankfort, where that river suddenly changes its course from north to west, was begun by Domitian.
Elms, limes and poplars are common north of the Tagus, ilexes, araucarias, myrtles, magnolias and a great variety of conifers in all parts.
Were large markets available, other fruits such as oranges, lemons, limes and bananas would undoubtedly be extensively cultivated.
Several limes in the old garden had been cut down and a piebald mare and her foal were wandering in front of the house among the rosebushes.
Plantains, guavas, jack-fruit, limes and oranges add further beauty to the village plots.
Nuts, oranges, limes and plums are grown.