KEY TO PLATE LIX 







No. I. Green-ribbed Sedge 

 (Car ex bincrvis, Sm.) 



a, Male flower, with 3 stamens (trian- 

 drous) and glume. 6, Glume of pistillate / 

 flower, 2-nerved. c, Perigynium, with 

 cuspidate beak, and 3 stigmas, and nut to 

 the right. d, Spikelet, pistillate, with 

 stigmas ripe. e t Flowering stem, with 

 long bracts, and axillary spikelets, upper- 

 most male. j\ Rootstock, with roots, 

 sheaths, barren shoots, and alternate 

 sheathed below 



No. 2. Small Bent Grass 

 (Agrostis canina, L,| 7 ' , 



a, Flower, with outer glume, flowering 

 glume awned, excurrent awn from above 

 the base, palea, and within 3 stamens 

 and pistil (last hardly seen). *, Flower, 

 with palea, stamens, and pistil with 

 feathery stigmas, and flowering glume, 

 showing awn attached above the middle. 

 c, Stoloniferous stem and shoots, with 

 rootstock and roots. */, Stem, with upper 

 stem-leaf showing sheath, and panicles 

 expanded in flower (contracted in fruit). 





No. 3. Heath Hair Grass 

 (Deschampsia fltxttosa, Trin.) 



ft, Flower, showing palea, awned flowering 

 glume, 3 stamens, and feathery stigmas. 

 b, Flower, showing oute; empty glumes, 

 flowering glume, palea, stamens, and 

 scales, c, Ovary, with 2 feathery stigmas. 

 a, Rootstock with roots and with tufted 

 leaves, barren shoots, e, Flowering stem, 

 with leaf, and panicle with 2-3-nate 



No. 4. Mat Grass 



(Nanius stricta, L.) 



- 



r, with awned flowering glunv 

 palea, with 3 stamens. , Leaf margin, 

 channelled, rougk, enlarged c, Spike, 

 unilateral, with I -flowered spikelets, 

 placecl obliquely. </, Plant, with root- 

 stock, tufted, sheathed below, wjth long 

 setaceous leaves, and flov 



branches. 







