AMENTACE^I. 



the catkin 3-lobed, with three flowers. Perianth single, 

 4-parted. Fertile ft. Scale of the catkin subtrifid, with two 

 flowers. Perianth none. Styles two. Nut compressed. 

 Name derived from, the Celtic al, near, and Ian, the river- 

 bank. Moncecia. Tetrandria. 



1. A. glutinosa, Gaert. Common Alder. Leaves roundish, 

 cuneiform, obtuse, lobed at the margin and serrated, somewhat 

 glutinous, downy in the axils of the nerves beneath. Br. FL \. 

 p. 402. E. FL v. iv. p. \\.Betula Alnus, Linn. E. Bot. t. 

 1508. 



Wet meadows and banks of rivers. FL March, April. T? . A well 

 known tree, whose wood is used for various purposes, and is particularly 

 valuable for the piles of bridges, as it remains under water, undecayed, 

 for a considerable length of time. Sterile catkins long, large, and cy- 

 lindrical, pendant, their footstalks branched. Fertile catkins small, 

 ovate, with deep scales. 



2. Salicine<B. Richard. 



Fruit 2-valved, 1-celled, many-seeded. Seeds pendulous, 

 comose. Trees or shrubs, with leaves having their venae pri- 

 mariae ramifying within the margin, and forming venae arcuatae. 



3. SALIX. Linn. Willow, Sallow and Osier- 



Barren fl. Scales of the catkin single-flowered, imbricated with 

 a nectariferous gland. Perianth none. Stamens 1 5. 

 Fertile jl. Scales of the catkin single-flowered, imbricated 

 with a nectariferous gland. Perianth none. Stigmas two, 

 often cleft. Capsule 1-celled, 2-valved, many-seeded. Seeds 

 comose. Name ; sal, near, and lis, water, in Celtic : denoting 

 a tree which grows near water. Dicecia, Diandria. 



ajs Monandrae. Borr. Filament one, with a double, or, in 

 S. rubra, forked upwards, and bearing two anthers. Trees of 

 low stature, or shrubs, with twiggy branches, and more or less 

 lanceolate and serrated leaves often broader upwards. Catkins 

 very compact. 



1. S. purpurea, Linn. Bitter purple Willow. Monandrous, 

 decumbent ; leaves lanceolate, broadest upwards, attenuated 

 below, serrated, glabrous ; germens ovate, very pubescent, ses- 

 sile ; stigma ovate, nearly sessile. Br. FL 1. p. 413. E. Fl. 

 v. iv. p. 187. JE. Bot. t. 1388. Salict Wob. p. 1. /. 1. 



In wet grounds and hedges in the northern counties. About New- 

 townards, and between Stewartstown and Moneymore ; Mr. Temple- 

 ton. Ditch-bank near Garvagh, county of Deny ; Mr. D. Moore. 

 FL March. F? . A small shrub with purple, somewhat trailing branches. 

 Leaves glaucous, especially beneath. Fertile catkins singularly com- 

 pact. This is, according to Sir J. E. Smith, a valuable osier for basket 



