140 



TRIANDRIA. DIGYNIA. Poa. 



r 



caeru'lea. S. Straw undivided : spike egg-oblong. 



Dicks, h. s.-Jacq. pi. rar. 21-C. Blfr.kl.A* and th. 158- 

 Tark. 1152. 6-Scheueh. 2. .9. A. B. 



obliqu 



e. 



Leaves betwixt sea-green and bluish. 



Straws M w 



Spike sometimes white. Linn. Spike from \ to nearly 1 inch. 



Scheuch. Seeds hairy. Calyx waives ending in awn-like points. 

 Hall. Bunch spike-like, egg-oblong. Florets on short fruit- 

 stalks, purplish livid, or brownish white. Involcr. roundish, 

 embracing the spike-stalk, gnawed, membranaceous, shorter, 

 but thrice as wide as the calyx ; the lower one at the base of the 

 bunch, the other a little higher up at the base of the florets of 

 the opposite side. Calyx containing mostly 2 florets, sometimes 

 just longer, and sometimes just shorter than the florets, edges 

 and keel bearded. Bloss. valves equal in length, edges and keel 

 bearded ; outer with 5 ribs, cloven at the end into 4 tee'th, end- 

 ing in awn-like points, the two middle ones shorter, with the 

 keel running out from between them into a short awn twice as 

 long as the teeth. St. From 6 to 9 inches high, trailing and 



Spike 



then ascending, Stravj with a single sheath, ending in a short 

 leaf. Leaves broad, strap-shaped, with a strong mid-rib. 

 lead colour, or greyish, sometimes purplish as in Jacquin. 



Cynosurus caeruleus. Linn. — Air a varia. Jacq. enutn. whore- 

 marks that Linn, has improperly placed it in the genus Cynosurus, 

 it having no affinity to* that family. St. 



Blue Moor grass. 



sometimes in marshes. 



Mountainous pastures in the North; 



[Crevices of the Lime Rocks at the foot 

 of Ingleborough. St. Lime rocks, Conzick Scar, Kendal. Mr. 

 Gough. Malham Cove, and on most of the Lime-rocks in 



Craven, Yorkshire. Mr. Calet.] 



P. Apr.— June 



PO'A. Cal. 2-valved, many flowered : Spikets 



egg-shaped: Valves skinny at the edge, ra- 

 ther acute. 



(l) Panicle spreading. 

 aquat'ica. P. Panicle spreading: spikets strap-shaped, 6 -flowered. 



Curt. 330- FI. dan. 920-//. ox. viii. 6. 25-Ger.J. Q-C. B. 

 4C-Ger. 6. 2-C. B. th. 3%-Ger. em. 6. 1-Leers 5. 5- 

 Scheuch. 4. WMont. 38. 



Calyx containing from 5 to 10 florets. Straw 6 feet high. 

 Linn. Straw from 4 to () feet high; upright, 2 edged, smooth. 

 Leaves straight, keeled; rough on the edge and the keel. Sheaths 

 cylindrical, scored, smooth. Huds. Leaves broad, channelled. 

 Panicle 8 or 10 inches high, and 4 or 5 broad, purplish. Spikes 

 e gg s F car - 5 haped. Curt. 



