164 BROMUS SECALINUS. 
exterior one of basal floret oval, seven-ribbed, the dorsal rib 
ending in a rough awn. Inner palea linear oblong, having two 
green marginal ribs fringed with colourless hairs. 
Length from eighteen to twenty-four inches. Root annual 
and fibrous. 
Flowers in the first week, and becomes ripe in the last week 
in June. 
There are two well-known varieties:— _ 
Variety Velutinus having large spikelets of from ten to fifteen 
florets. 
Variety Vulgaris is frequently more than thirty-six inches in 
length. 
The illustration is from a specimen gathered in Chorlton 
fields, near Manchester, by Mr. Joseph Sidebotham. 
