CALAMAOROSTIS.] GRAMINE^. 435 



Damp woods, from Mull and Aberdeen to Devon and Kent, local ; Derry in 

 Ireland ; fl. July- Aug. Stem 2-6 ft., simple, stout, scabrid above. Leaves 

 very long, flat, scabrid, glaucous beneath, point slender ; ligule acute, torn. 

 Panicle 4-12 in., purplish-brown ; branches suberect. Empty glumes | in., 

 very narrow, tip and keel scabrid ; awn produced for J its length beyond 

 the fl. glume. DlSTRiB. Europe (Arctic), excl. Spain, Siberia, Dahuria 

 Himalaya. 



2. C. lanceola'ta, Roth; panicle open, empty glumes lanceolate twice 

 as long as the flowering, hairs rather longer than the fl. glume, awn 

 terminal minute. Arundo Calamagrostis, L. 



Damp copses, hedges, &c. from the Border to Devon and Kent ; absent from 

 Ireland ; fl. July- Aug. Stem 2-4 ft., slender, erect, smooth. Leaves much 

 narrower and smoother than C. Epigejos, more convolute ; ligule shorter. 

 Panicle 2-6 in., purplish ; branches spreading, tip drooping. Empty glumes 

 nearly as large as in Epif/ejos, but broader ; awn minute. DISTRIB. Europe 

 (Arctic), Siberia, Dahuria, W. Asia. Andersson observes that the pedicel of 

 an upper flower is sometimes present. 

 SUB-GEX. 2. Deyeux'ia, Beauv. Spikelets with the pedicel of a 2d 



fl. glume. Hairs of the axis shorter than the fl. glume. 



3. C. stric ta, Nutt. ; panicle close, empty glumes oblong-lanceolate 

 slightly exceeding the flowering, awn from below the middle of the fl. 

 glume straight. C. lapponica, Hook, not Hartm. 



Bogs and marshes, very rare ; Delamere Forest, Forfar (extinct) ; Lough 

 Neagh ; fl. June-July. Stems 1-3 ft., strict, slender, smooth, polished. 

 Leave.'s short, all flat or lower filiform with convolute margins, almost 

 smooth ; ligule short. Panicle 2-6 in., narrow, erect, pale purplish and 

 green. Empty glumes T \,-J in-> acute, nearly smooth. DISTRIB. Scandinavia 

 (Arctic), Dahuria, N. America. Leaves in cultivated (Irish) specimens 

 quite flat. 



VAR. 1, panicle slender, glumes nearly J-J in. Delamere and Lough Neagh. 

 VAR. 2, panicle 1-3 in. narrow short, glumes ^ in. broader. Forfar. 



18. LEER SI A, Soland. 

 Spikelets panicled, much compressed, imbricate, gibbous, 1-fld. Empty 



glumes 0. Fl. glume hard, awnless, broad, 3-nerved. Palea as long, hard, 



1 -nerved. Scales 2, ovate, entire, short. Stamens 1-6. Ovary glabrous ; 



styles short, stigmas feathery. Fruit laterally compressed, enclosed in 



the hardened glume and palea. DISTRIB. Temp, and trop. regions ; 



species lo. KTY.M. J. D. Leers, a German botanist. 



1. L. oryzoi'des, Swartz ; panicle effuse, stamens 3. 



Wet meadows and watery places, rare ; Surrey, S. Hants, W. Sussex ; fl. 

 Aug.-Oct. Perennial. Root creeping. Stems 2-3 ft., decumbent at the 

 base, smooth, shining, leafy, nodes villous. Leaves - in. broad, flat, 

 scabrid, glaucous ; sheaths compressed, almost smooth ; ligule truncate, 

 torn. Panicle 3-7 in., very lax and few-flowered, partially enclosed in the 

 sheath when flowering, branches in ^ whorls, capillary, flexuous ; upper part 

 open with imperfect ovaries ; lower part included in the sheath, with fertile 

 ovaries. Spikelet i in., dimidiate-oblong, thin but rigid, translucent, 

 smooth or scaberulous, pale green, keels with long rigid cilia. DISTRIB. 

 Europe from Denmark southwards, trop. Asia, Africa, and S. America. 

 F F 2 



