i8 



The grass is Yorkshire fog, in Latin, Holcus lanatus, 

 lanatus meaning woolly a very appropriate name, 

 since sheath and blade are alike clothed with soft 

 white wool-like hair. The plant grows so as to form 

 large tufts rendered conspicuous among the surround- 

 ing green vegetation by the light colour, due to the 

 presence of wool-like hair. Between the fingers, the 

 blades feel excessively soft hence the name woolly 

 soft grass. 



Summary: 



a. White sheath with red veins. 



b. Blades very hairy, and soft. 



Group II. Variegated Grasses. 



TUFTED HAIR GRASS. 



n. 3, 4. This, like the common and well-known gardener's 

 garter, has leaf blades composed of alternate strips of 

 white and green tissue : the term variegated refers to 

 this peculiarity. The thick and high ribs are dark 

 green, and conceal the thin white strips of the 

 furrows. 



When the blade is held up to the light, the white 

 strips are seen, appearing as five or six snow-white 

 lines ; they contrast very strongly with the dark, almost 

 black background, formed by the thick ribs. 



xiv. 5 . No other grass has high acute ribs and bands of 

 white tissue. 



The blades are remarkably rough on the upper 

 surface, and in one direction, viz., from the apex 

 towards the base. When examined by the lens, the 



