552 



CTii. gra:mine^. 



[Po 



oa. 



kj- 



7. on 

 6, 7. 



" Meadows and pastures, frequent. — ^. in shady places, 

 walls or dry places, especially in alpine countries. 1\. 

 Allied to the last in character, but very unlike in general appear- 

 ance, and more resembling P. trivialis^ which differs by both the 

 ligule and the root, as well as by the marginal nerves of the outer 

 glumella being always hairy. — ^. and 7. appear to be starved states, 



ff Root fibrous y or slightly creeping^ hut without long scions. Keel of 



the outer glumella silky. 



t Marginal nerves of the outer glumella glabrous, 



: 11. P. trividlis L. (I'oughish M.) ; panicle diffuse, spikelets 

 oblong-ovate of about 3 florets, which are acute 5-nerved con- 

 nected by a web, outer glumella silky only on the midrib, upper 

 sheath much longer than its leaf, culms and sheaths roughish, 

 ligule oblong acute, root fibrous. E. B. t, 1072 : Parn. Gr. t. 35. 



, Meadows and pastures, common. 1/., 6, 7. 

 Leaves linear, acute. Panicle much branched. 

 for pasturage and for hay, as is the last species. 



Culm 1—2 ft. high. 

 An excellent grass 



\\ Marginal nerves of the outer glumella silky. 



Root perennial, 



' 12. P. hulhosa L. [hidhoiis M.) ; panicle close subspicate, 

 spikelets ovate 3—4 flowered, florets silky at the keel and mar- 

 ginal nerves connected by a web, leaves with a white narrow 

 serrate cartilaginous margin, upper sheath much longer than 

 its leaf, liirule prominent acute, stems swollen at the very base, 

 JE. B. 1. 1071 : Parn. Gr. t. 89. 



East and south of England, principally on sandy sea-shores. Ij., 

 4f 5. — A singular and very distinctly marked species, soon withering 

 after flowering, and then its bulhs are blown about in large quantities 

 on the surface of the sand. It forms a great part of the herbage on 

 the Denes at Yarmouth, 



-13. V,alpinaL. {alpine M.)\ panicle erect spreading when 

 in flower, afterwards somewhat ovate, spikelets ovate of 3 



5 



acute florets free (not webbed), outer glumella silky on the keel 

 and marginal nerves and downy between them, upper sheath 

 longer than its leaf, leaves broadly linear obtuse, uppermost 

 cymbiform at the apex, ligule of the upper leaves oblonjx acute, 

 of the lower ones short obtuse, roots fibrous tufted. E, B. t. 

 1003 ; Parn, Gr. tt. 37, 94. P. cmia Sm, ? E. B. 1. 1719. ?— ^. 

 glomerata; spikelets densely crowded. 



Extremely abundant on the lofty mountains of Scotland and Wales, 



j8. Banks of the Esk : G. Don. 



Leaves mostly 



and very generally viviparous, — 



^. 6, 7. — Culms 6 — 12 inches high, nearly erect. 



short, flat, linear,' obtuse, with a very small mucro : uppermost 



"folded, compressed, and rounded behind the summit.'* Parn. 



Spikelets rather large, close. Glumes ovate-lanceolate, much com- 



\ 



