GRASSES OF BRITAIN. 165 



and arranged on the racliis singly. Glumes acute, lanceolate. Li- 



This grass, like the Digitaria sangidnalis, is a very doubtful native. 

 It grows naturally on sandy ground in cultivated places, and is occa- 

 sionally found in Sussex, Surrey, Suffolk, Norfolk, and Yorkshire. 

 It is a native of France, Holland, Belgium, Prussia, Switzerland, and 

 Italy. Of no agricultural use. 



Flowers in July and August, and ripens its seed in September. 



The accompanying figure was taken from a specimen gathered in 

 Yorkshire. 



Explanation of Plate LXXI. Dinitaria humifusa, natural size. 



Fig. 1. Spikelets and rachis. ^ 



2. Two glumes and floret. I -b 



3. Two glumes. I 55 



4. Floret shomng the two palew. i g> 



5. Ligule of upper sheath. j ^ 



6. Ovarium, pistils, and stamens. i 



