Bui. 1105, U. S. Dept. of Agriculture 



Plate XXII 



Fig. I. — Seedlings IN Brush. The Small Ones, 2 Years Old, Are Mostly 

 Uninjured Because of the Protection Afforded by Limbs. The 

 Large One, About 5 Years Old, Has Been Injured by Sheep. 



Brush ceases to be effective as a protection against grazing after seedlings are above 1 foot in heigiit. 



Fig. 2. — Extreme Examples of Damage to Advanced Reproduction by 



Sheep. 



When the leader extends above a height of about 3J feet it is practically immune from sheep 



