Botany. 175 



(496) CYNOSURUS, L. 



1789. C. cristatus, L. (CRESTED DOG'S-TAIL), 8, P. A short close- 



growing grass with deep roots, and therefore capable of 

 withstanding drought. A common grass in permanent pas- 

 tures (especially sheep-walks), on downs and in dry hilly 

 districts. 



1790. C. echinatus, L. Alien. 



1. One tuft in Plum Lane Brickfield, '94. Dod. 



2. E. Wickham brickfield, '07. J.F.B. & W.H.G. 



1791. KCELERIA cristata, Pers. 67, P. Dry hilly pastures; 



common on the chalk, rare on the sand. 



1. Hayes Common, 1887 ; Chislehurst Common, '97. Sc. 



1792. MOLINEA caerulea, Mcench, (VABIA, Sch.), 78, P. In 



moist places on heaths and commons and in peaty copses ; 

 locally plentiful. With Triodia decumbens it often forms 

 the entire herbage between stretches of heath and ling. 



1. Bexley. Holmes. 



2. Chislehurst, 1877. 



3. Chalk-pit, Cudham, '03. W.H.G. 



a. First record, 1793 : Blackheath, by Gravel-pits . 



1793. CATABROSA aquatica, Beauv. 78, P. Ponds, etc. ; locally 



common. 



1794. MELICA nutans, L. (UNIFLORA, Retz.), 56, P. Woods and 



shady banks ; very common. 



1796. DACTYLIS glomerata, L. (COCKSFOOT), 6, P. A coarse hardy 

 grass growing in tufts and pervading grass-lands every- 

 where ; a pasture grass much prized by sheep and valuable 

 for hay. 



1798. BRIZA media, L. (QUAKING GRASS), 6, P. Common in badly 

 drained meadows and pastures, but of no agricultural value. 



1 Frequent on Hayes and Keston Commons and on 

 grassy chalk banks about Down, '06. W.H.G. 



(503) POA, L. (MEADOW GRASS). 



1800. P. annua, L. 3 9, A. Common everywhere, lawns, parks, 

 gardens, paths, etc. 



1807. P. nemoralis, L. 6 7, P. Woods, thickets and shady places ; 

 common in the Weald, 

 var. tenella. 



1. Keston Common, '04. W.H.G. fide Hackel. 



