318 77. AMENTIFEKJB. 



scales digtingTiisli this from- the next ; the shape of the 1. also is 

 different. — Rather. commpji. T. IV. V. White Birch. E. S. I. 



2. B. glutindsa '.(Pries !) ; 1. rhomhoid-ovate or eordate' un- 

 equally, serrate acute, scales'of the fern, catkins 3-lobed, TMeral 

 fo5es «sc«re&«(?, ifr. hroadly.obovate. — B. alha Ti. xii. 623. B. 

 pubescens Koch, — L. usually glabrous, always more or less ovate, 

 flat above vnth raised veius beneath. Stip. ovate, blunt, twice 

 as long As broad ; sides deflexed. Buds ovoid. Not so elegant 

 a tree as the preceding and often little more than a bush'. Twigs 

 sometimes pendulous. — (3. B. pubescent (Ehrh.) ; 1. peduncles 

 and yoiing twigs downy. — Common. T. IV. V. Common Birch. 



E. S. I. 



3. B. nana (L.) ; /. roundish crenate glabrous blunt, scales of 

 the femi catkin digitate-trifid, lobes eqiial, fr. orbicular with a 

 very nari'ow membranous margin. — A small procumbent shrub. 

 L. minute. Catkins subsessile, small. — Turfy places in the 

 Highlands. Sh. V. Dwarf Birch. S. 



5. Al'mus Tcum. Alder. 



1. A. glietindsa (Gaert.) ; 1. roundish blunt wavy serrate 

 glutinous rather abrupt with a wedgeshaped base, axils of the 

 veins beneath downy. — -fi. xii. 641. /St 29. 15.— rA moderately 

 large tree. Trunk and bra,nebes., crooked. Male catkins long 

 and pendent ; fem. ones short, ovate or oblong, very persistent. 

 — /3. incisa ; leaves deeply cut. — "Wet places and river-banks. 

 p. Wigtonshire. Br. Balfow. T. HI. E. S. I. 



Tribe IV. Cupulifera. 



1 , ,6. 'E&Igvs Linn. Beech. 



1. -F. syhtitica (L.); 1. ovate glabrous obscurely dentate' ciliate 

 on the 'edges. — R. xii. 689. — A large tree. — "Woods, particularly 

 on calcareous soils. T. III. IV. E. 



7. Casta'nea Towrn. Chestnut. 



X\. C. vtdgdvis (Lam.) ; 1. oblong-lanceolate acuminate mu- 

 cronate-serrate glabrous on each side. — Fagtis Sm., 2f. xii. 640. 

 — Height 50^B0 feet. A magnificent tree. — A doubtful native, 

 often planted. T. V. Sweet Chestnut. E. 



8. QiTEE'ctrs Linn. Oak. 



1. Q, Rdhtr (L.) ; 1. deciduous stalked obovate-oMong sinuate, 

 lobes blimt, inv.' much shorter than the ripe acorn its scales ad- 

 pressed. — a. Q. pedunculaia (EhA.) ; young branches glabrous, 



