MONOCOTYLEDONES. a oe 
503. S. DISTANS (Bab.), Reflexed Meadow-grass. 
Ayre at Kirkwall (Dr Duguid). 
Genus COXXVI.—POA (Linn.), Annual Meadow-grass. 
504. P. ANNUA (Linn.) Common. 
505. P. compressa (Linn.), Flut-stalked Meadow- 
grass. 
Sides of roads (Dr Duguid and R. Heddle’s list). 
506. P. PRATENSIS (Linn.), Smooth Meadow-grass. 
Fairly common. 
507. P. TRIVIALIS (Linn.), Rough Meadow-grass. 
Fairly common. 
Genus CCXXVII.—BRIZA (Linn.), Quaking-grass. 
508. B. MEp1IA (Linn.) 
Hill pastures above Westness (R. Heddle) ; Wide- 
ford; Swanbister; Binscarth, We. 
Genus CCXXVIII.—CYNOSURUS (Linn.), Dog’s-tadl-grass. 
509. C. cristaTus (Linn.) Common. 
Genus CCXXIX.—DACTYLIS (Linn.), Cock’s-foot-grass. 
510. D. GLOMERATA (Linn.) 
Introduced, and now frequently met with along 
fields, ditches, and dykes. : 
Genus CCXXX.—FESTUCA (Linn.), Fesewe-grass. 
511. F. BRoMOIDES (Linn.) 
Sides of farm buildings (Dr Duguid and Dr Bos- 
well). My specimen is from Rousay. 
