DIOECIA— OCTANDRIA. Populus. 243 



1. V. alba. White Poplar. Abele-tree. 



Leaves lobed and toothed ; somewhat heart-shaped at the 

 base ; snow-white and densely downy beneath. Fertile 

 catkins ovate. Stigmas four. 



P. alba. Linn. Sp. 1463. Willd.vA. 802. Fl. Br. 1079. Engl. 



Bot.v.2'i,t.\Q\Q. Hook. Scot. 288. Rail Srjn. 446. Ger.Em. 



1486./. Bauh. Hist, v.l.p. 2. 160./. Matth. Falgr.v. 1. 123./ 



Camer.Epit.65.f. Dod.Pempt.835.f. Dalech.Hist.86.f. Ehrh. 



Arb. 120. 

 P. alba latifolia. Lob. Ic. v. 2. 193./. 

 P. albae alia species. Trag. Hist. 1081. 

 P. n. 1634. Hall. Hist. v. 2. 303. 

 P. major. Mill. Diet. ed.8.n.4. 

 P. nivea. fVilld. Berl. Baumz. 227. 



In moist woods; sometimes in dry mountainous situations. 



Tree. March. 



Root creeping, with plentiful suckers. Trunk various in height, with 

 a smoothish bark, and horizontal branches, which are very white 

 and cottony when young. Leaves angular, generally with three 

 principal lobes, variously and unequally toothed, blunt-pointed, 

 veiny; dark green and smooth above • remarkable for the ex- 

 quisite whiteness of their under side, covered with a very dense, 

 cottony substance. Footstalks not half so long as the leaves, 

 each accompanied at the base by a pair of small, lanceolate 

 stipulas, often obsolete or wanting. On young luxuriant 

 branches the leaves are almost palmate. Barren catkins cylin- 

 drical, pendulous, 3 inches long, with brown fringed scales. 

 Stam. 8, sometimes 1 2, or 20, with short, thick, violet-coloured 

 anthers. Fertile catkins ovate, half as long again before they 

 fade ; their scales rather smaller. Germ, embraced in its lower 

 half by the corolla, ovate, green, smooth. Stlgm. 4, spreading, 

 linear-awl-shaped, pale, downy. 



The wood is white, soft, tough, and of a close grain, serving chiefly 

 for coarse purposes. 



2. P. canescens. Grey Poplar. 



Leaves roundish, deeply waved, toothed ; hoary and 

 downy beneath. Fertile catkins cylindrical. Stigmas 

 eight. 



P. canescens. Fl. Br. 1080. Engl. Bot. v. 23. t. 1619. M^lld. Sp. 



PI. V. 4. 802. Ait. Hort. Kew. ed. 2. v. 5. 39.5. 

 P. alba. Mill. Diet. ed. 8. n. I. Willd. Berl. Baumz. 227 . 

 P. alba, foliis minoribus. Bauh. Pin. 429. Raii Sijn. 446. Ger. 



Em. 1487./. Lob. Ic. v. 2. 193./ 

 P. alba folio minore. Bauh. Hist. v. ]. p. 2. 160./ 

 R 2 



