414 97. GEAMINE^. 



spikelets qvate of 2 or 3 aexA&freefi., lower pale with 5 veins 

 but only 3 hairy, upper sheath usually longer than its leaf, upper 

 knot at about the middle of the st. exposed, ligule very short 

 truncate.' — B. B. S. 2916. P. 36. — St. ascending, 1 ft. or more 

 high, compressed ; knots 5 or 6, uppermost not above the middle 

 of the stem. Ligule 6 times as broad as long, but longer than 

 that of P. nemoralis, to which this is perhaps too nearly allied. 

 Occasionally there is a slight trace of a web to the florets.— High 

 Forceandother parts of Upper Teesdale. P. VII. E. 



9. P. Balfowr'ii (Barn.) ; pan. erect rather spreading, spikelets 

 ovate of 3 or 4 webbed fl., lower J)ale with 5 veins but only 3 

 hairy, upper .sheath about as long as its leaf, upper two-thirds of 

 the stem without knots, Kgtde prominent hlunt. — P. 66. -B. B. S. 

 2918. — Creeping. St., 3 — 15 in. high ; knots about 3, upper- 

 most ■within the lower third of the stern.' Lower fl. as long 

 as thelarger glume^ 1 cannot join this to P. nemoralis without 

 more proof of their identity than has yet appeared. — /3. P. mon- 

 tana (Parn.) ; spikelets few of 2 or 3 free fl., knots 4 or 5 rather 

 above the middle of the stem. Perhaps more allied to this spe- 

 cies than to P. nemoralis. — Tops of mountains. P. VII. E, S. 



ttt Lower pan.-branches subverticillate. Dorsal vein of 

 the lower pale hairy ; marginal glabrous. 



10. P. triviSis (L.) ; pan. diffuse, spikelets ovate of 2 or 3 

 acute webbed, fl., lower pale with 5, veins, upper ,f heath much 

 longer than its leaf, ligule acute long. — E. B. 10^2. , , P. 35. — 

 Root tufted. St. 1 — 2 feet high. Sheaths slightly rough. — 



0. parviflora (Parn.) ; spikelets small 1^ — 2-flowered, plant slen- 

 der. — Bloist and shady places. P. Vl. E. S. I. 



*** Creeping by long sobqles. 



11. P. prdten'-sis (L.) ; pan. diffuse, spikelets ovate of 3 or 4 

 webbed fl., lower pale with 5 prominent veins but only 3 hairy, 

 upper sheath much longer than its leaf, ligule prominent blunt. 

 -^E. B. 1073. P. 31— 34.— Very variable in size. St. and sheaths' 

 nearly always smooth. El. strongly webbed. — ^. suhceerulea ; 

 spikelets broader, 1. broad and short, upper 1. compressed rounded 

 at the end behind. E. B. 1004.^ — y. angustifolia; spikelets small, 



1. slender long, lower 1. involute.^Common. P. VT. VII. 



E. S. I. 



12. P. compres'sa (L.); pan. erect or slightly unilateral spread- 

 ing when in flower otherwise close, spikelets ovate or oblong- 

 ovate of .O — 7 blunt slightly webbed fl., lower pale Z-veined, veins 

 hairy, upper sheath about as long, as its leaf, uppermost knot at 



