GRASSES OF BRITAIN. 167 



of Cornwall, but is not known to exist in any other part of Britain. 

 It is found in Spain, Portugal, Italy, Turkey, Greece, Islands of the 

 Mediterranean, North Afi-ica, Western Asia, United States, and the 

 West Indies. (I am indebted to Mrs Anderson of Montego Bay 

 for specimens gathered in Jamaica.) 



Flowers in July and August, and ripens its seed in about the end 

 of September. Of no agricultural use. 



The accompanying figure was taken from specimens gathered in 

 Cornwall. 



Explanation of Plate LXXII. Cynodon Dactylon, natural size. 



Fig. 1. Spikelets and rachis, 



2. Spikelet showing the glumes and floret. 



3. Floret sho\ving the outer and inner palea, and a rudiment of a second 



floret on a long footstalk. g) 



4. Upper sheath cro^vned with hairs iu place of a ligule. ^ 



5. Ovariimi, pistils, and stamens. 



