LXVIII. SALICA N CEjE I PO'PULUS. 



827 



reasons, he considers it the most profitable of all trees to plant in masses in 

 a fertile soil, rather moist. At Fontainebleau, the female tree bears fertile 

 seeds, from which many thousand plants come up annually in the walks, and 

 are mostly destroyed, though some varieties have been selected from them. 



11. P. FASTIGIA'TA Desf. The fastigiate, or Lombard^, Poplar. 



Identification. Desf. Hist. Arb., t. 2. p. 465. 



Synonymes. P. dilatata Ait. Hort Ken>. 3. p. 406. ; P. nlgra italica Du Rot Harbk. 2. p. 141. ; P. 

 italica Mcench Weissenst. 79. ; P. italica dilatata WiUd. ; P. pyramidata Hort. ; P. pann6nica 

 Jacq. ; P. italica var. carolinensis Burgsdorf ; Cypress Poplar, Turin Poplar, Po Poplar ; Peuplier 

 d'ltalie, Peuplier pyramidal, Fr. ; Lombardische Pappel, Italianische Pappel, Ger. ; Pioppo 

 Cypresso, Ital. 



The Sexes. Plants of the male are plentiful in England. The female is known to be extant in 

 Lombardy, whence we received dried specimens and seeds in November, 1836. (See Gard. Mag., 

 vol. xii.) M. C. A. Fischer, inspector of the University Botanic Garden, Gdttingen, found, in 

 1827, a single plant of the female, after having many years before sought fruitlessly for it, among 

 many thousands of plants around Gottingen. (See Gard. Mag., vol. vi. p. 419, 420.) 



Engravings. Thouin and Jaume St. Hilaire, t. 152. ; the plates in Arb. Brit., 1st edit., vol. vii. ; and 

 our fig. 1503. in which a represents the female catkins with the blossoms expanded ; b, the female 

 catkins with seeds ripe ; c, a portion of the female catkin of the natural size ; d, a single flower of 

 the natural size ; and e, a single flower magnified. 



1503. P. fastigiata. 



Spec. Char., Sec. Petiole compressed. Disk of leaf deltoid, wider than 

 long, crenulated in the whole of the edge, even the base ; glabrous upon 

 both surfaces. Leaves in the bud involutely folded. A fastigiate tree. 



