114 TRIANDRIA— DIGYNIA. Sesleria. 



1 or 2 neuter ones higher up. Seed loose, polished, invested 

 with the hardened cor., in which this grass differs from Aira, 

 whose petals remain membranous. 

 Shady situations render the panicle pale, brownish, or whitish. The 

 stems are said to be used for brooms, or even baskets, where 

 better materials are rare. 



43. SESLERIA. Moor-grass. 



Scop. Cam ed.].]S9. Juss. 31. Fl. Br. 93. Schracl. Germ. v. 1 . 

 271. Lam. t. 47. 



Cal. of 2 nearly equal, keeled, pointed, slightly awned valves, 

 containing 2 or 3 perfect Jlorets. Cor. of 2 lanceolate, 

 keeled, acute, partly awned, valves ; the outermost undi- 

 vided, toothed; inner cloven. Filam. capillary, rather 

 longer than the cor. Anth. prominent, linear, notched at 

 each end. Germ, small, ovate. Styles more or less com- 

 bined. Stigm. long, linear, downy. Seed loose, covered 

 with the permanently membranous cor. 



Root generally perennial. Stems simple. Leaves chiefly 

 radical, linear, keeled, bluntish. Fl. spiked, blueish, or 

 whitish. 



1. S. ciBrulea. Blue Moor-grass. 



Spike ovate-oblong, imbricated. Bracteas alternate. Outer 

 valve of the corolla with three teeth. 



S. caerulea. Scop. Cam. ed. 2. ». 1 . 63. Fl. Br. 94, Engl. Bot. v. 23. 



t. 1613. Knapp t.43. Hook. Scot. 3\. Schrad. Germ. v. 1.273. 



Host Gram. v. 2. 69. t. 98. Arduin. Spec. 2. 18. t. 6. /.3, 4, 5. 



Fl. Dan. t. 1506. 

 S. n. 1446. Hall. Hist. v. 2. 217. 

 Cynosurus caeruleus. Linn. Sp. PI. 106. Willd. v. 1.414. Huds. 59.- 



Mart. Rust. t. 20. Dicks. H. Sicc.fasc. 6. 3. Ehrh. Calam. 14. 



fVulf. in Jacq. Misc. v. 2. 66. Jacq. Ic. Ear. t. 21. 

 Gramen parvum montanum, spica crassiore purpuro-ceerulea brevi. 



RaiiSyn.399. 

 G. glumis variis. Bauh.Theatr. \ 58. f. Prodr. 21. f. Scheuchz. 



Jgr. 83. t.2.f.9,A, B. 



On moist alpine limestone rocks. 



In many parts of Westmoreland. Common in the Scottish High- 

 lands. Knapp, Hooker. Very common about Settle, Yorkshire. 

 Dr. Windsor. 



Perennial. April — June. 



Root long and strong, forming dense tufts. Stem about a span 

 high, without branches or joints, smooth, for the most part 



