Greens and Messrs Longmans histories are the only notable attempts to tell the history of England as a whole, though Stubbss Constitutional History (3 vols.) covers the middle ages and embodies a political survey as well (for corrections and modifications see Petit-Dutaillis, Supplementary Studies, 1908), while Hallams Constitutional history (3 vols.) extends from 1485 to 1760 and Erskine Mays (3 vols.) from 1760 to 186o.
In some plants the stamens are perfected before the pistil; these are called proterandrous, as in Ranunculus repens, Silene maritima, Zea Mays.