28o 



The Scottish Naturalist. 



526. 



5 2 7- 



528. 

 5 2 9- 



533- 

 534- 



535- 

 536. 



537- 



ccxl. Mercurialis Tourn. 

 Perennis L. Common. 

 Annua L. Reported from South-west Perthshire. 



URTICACE^J. 

 ccxli. Urtica Tourn. 

 Only near houses, and rather local. 



Urens L. 

 Dioica L 



530. Lupulus L. 



531. Montana Sm. 



Common. 



CANNABACEiE. 

 CCXLI 1. Humulus L. 

 In a few places, where doubtless planted. 



ULMACB^S. 



ccxliii. Ulmus L. 



Rare in a wild state, as in Glen Tilt. 



SALICACE^E. 

 ccxliv. Populus Tourn. 



532. Tremula L. Local, but not uncommon, and native. 

 Var. villosa Bosw. The common form. 

 Var. glabra Bosw. Not rare. 



ccxlv. Salix Tourn. 



Triandra L. Not common. Planted (?) 

 Undulata Ehrh. Abernethy, probably planted. 

 Pentandra L. Not very common. 

 Fragilis L. Not uncommon. 



Var. dccipicns Hoffm. Woody Island. 

 Caprea L. 



i. Sub-species caprea. Common. 



Var. sphacelata Sm. Highlands. 

 ii. Sub-species cinerea L. Common. 



Var. aquatica. Common. 



Var. oleifolia Sm. 



538. Aurita L. Common. 



539. Repens L. Common. 



Nzx.fusca L. 

 Var. argentca Sm. 



Var. incubacea Bosw. ( = S. ambigua Ehr.) 

 Var. spat hula t a Willd. 

 are among the varieties. 



