SALICINEJE 2Q9 



andri, Variat follls pauUo ininorlLus suLtus minus to- 

 mentosls , amentis longioribus laxis ( P. canescens 

 Sm: , W. ). Var: hsec frequentius occurrit prsesertim 

 in collibus di Marano et in valle Ticini prope Oleg- 

 gio sec; Biroli 1. c. qui illam pro stirpe distincta ad- 

 mittit. 



* 2. P. tremula = L. sp: i^S^- = Spr: syst: If. 

 244- = Blackw: t. 248. Duham: arb: II. t. 3j. Vern: 

 Tremo (^Eur: passim. Pedem: ubique in sylvis Tau- 

 rinens'. et montanis All: n. 1976. Be fl: segus: p. 81. 

 et fl: tor: II. p. \^6, Biroli fl: acon: II. p. i35. Sar- 

 din: in sylvis Arizzo Moris st: sard: I. p. 4^.). Dif- 

 fert a priori statura minori , ramis magis flexilibus 

 cortice sub-rufo, fobis sub-rotundis dentatis nec basi 

 cordatis utrinque glabris , petiolis longioribus apice 

 compressis, unde folia tremula. 



# 3. P. nigra = L. sp: j/^6/^. = Spr: syst: 11. 

 244« = Blackvf: t. 248. f. i. Dubam: arb: II. t. 3^. 

 f. 4« 5. Vern: Arbra (^Eur: passim. Pedem: secus 

 fluentes aquas admodum frequens All: n. 1977. Vul- 

 gatissima in sylvis secus Duriam Be fl: segus: p. 81. 

 et fl: tor: II. p. 147. In sylvis et ad aquseductus Bi- 

 ROLi fl: acon: II. p. i35. Sardin: in montibus Sarra- 

 hus juxta Flumendosa Moris st: sard: I. p. /\i.y Prae- 

 cedentibus excelsior ramis patulis flavescentibus ju- 

 nioribus glabris gemmis resinosis, folia deltoidea acu- 

 niinata glanduloso - dentala glaberrima petiolis sub - 

 compressis , stam: 16. et ultra antberis purpureis , 

 amenta foeminea laxifloraj lignum ad usus domesticos 

 aptissiraum. 



VoL. V. .14 



