44 MASS. EXPERIMENT STATION BULLETIN 413 



8. Blue Rex Damson. Habit spreading, medium in height, medium stout; internodes short. 

 One-year bark purpHsh to brown; young shoots green to purple tinged; pubescence very Ught; 

 lenticels very few, very small, flush, russet; growing tips reddish tinged; young leaves medium to 

 dark green. Petiole rather wide-angled, very short, medium thick, green; glands 0-2. close to or 

 on the blade, small, green. Leaf blade moderately small, roundish oval, broad V^-folded, often 

 drooping; tip small, often obtuse, often refiexed; margin coarsely waved; surface slightly rugose, 

 rather dull, dark green; serrations rather fine, shallow, crenate. regular. 



9. Bradshaw. Habit rather upright, tall, medium stout; internodes medium. Two-year bark 

 moderately light brown with much netted scarfskin, lenticels conspicuous; one-year bark green 

 to purplish to brown; young shoots reddish tinged to purplish, glaucous; pubescence none to very 

 light and rather long; lenticels very few. small, flush, russet; growing tips green to slightly reddish 

 tinged; young leaves medium green. Petiole wide-angled, rather long, medium thick, reddish 

 tinged to reddish; glands 2. moderately close to the blade, medium in size, stalked, greenish, with 

 slightly depressed centers. Leaf blade medium in size, oval, saucer-folded to reverse keel-folded, 

 drooping, much twisted, rigid; tip acute, twisted; margin coarsely and finely waved; surface rugose 

 and buUate. semi-glossy, very lightly pubescent, medium green; serrations medium in size, medium 

 in depth, dull serrate, irregular. 



10. Burbank. Habit spreading to drooping, tall, medium stout; internodes medium. Two- 

 year bark medium brown; one-year bark medium brown with epidermis coarse broken for the 

 full length of the shoots; young shoots green to light brownish; pubescence none; lenticels numer- 

 ous, medium in size, raised, russet, conspicuous; growing tips green to very slightly reddish tinged; 

 young leaves rather light yellowish green. Petiole wide-angled, short, rather thick, green; glands 

 2-6, scattered, medium in size, rather yellow, mostly reniform. Leaf blade moderately large, long 

 obovate, broad U-folded to reverse saucer-folded, often drooping; tip long acute, refle.xed; margin 

 even; surface slightly rugose, dull, medium yellowish green; serrations fine, very shallow, double, 

 crenate, irregular, indistinct. 



11. California Blue. Habit upright-spreading, moderately tall, medium stout; internodes 

 short. Two-year bark medium to rather dark brown; one-year bark purplish to brown; young 

 shoots reddish tinged to purplish; pubescence very light; lenticels medium in number, small, flush, 

 russet; growing tips green to reddish tinged; young leaves medium green. Petiole wide-angled, 

 medium in length, thick, reddish tinged; glands 2, fairly well down on the petiole, large, often 

 stalked, reniform, green, with depressed centers. Leaf blade small to medium, oval, flat to saucer- 

 folded with some reverse keels and much twisting of midribs, very drooping; tip broad acute; 

 margin medium-waved to finely waved; surface rugose, rather dull, dark green; serrations medium 

 in size, moderately deep, crenate. 



12. De Monlfort. Habit upright-spreading, rather short, moderately slender; internodes 

 moderately short. Two-year bark medium brown with fine scarfskin; one-year bark purplish to 

 brown; young shoots green to purplish; pubescence heavy; lenticels few. small, flush, russet; grow- 

 ing tips reddish tinged; young leaves light green. Petiole wide-angled, short, rather thick, reddish 

 tinged; glands 0-2, close to or on the blade, moderately small, yellowish green. Leaf blade rather 

 small, oval, flat to medium U-folded or "boat-shaped"; tip acute; margin even to slightly coarsely 

 waved; surface mostly smooth, dull, medium yellowish green; serrations rather fine, shallow, 

 double, crenate. regular. 



13. Double X French Prune. Habit upright, rather tall, medium stout; internodes rather 

 short. Two-year bark medium brown; one-year bark purplish to brown; young shoots reddish 

 tinged; pubescence none to trace; lenticels numerous, small, flush, russet; growing tips reddish; 

 young leaves medium green. Petiole rather wide-angled, short, moderately thick, reddish; glands 

 2, often well down on the petiole, small, leafy-stalked, green. Leaf blade rather small, long-oval 

 with tendency toward obovateness, flat to narrow U-folded or reverse keel-folded; tip very short, 

 slightly mucronate; margin slightly coarsely waved: surface slightly bullate, slightly semi-glossy 

 to dull, moderately pubescent on older leaves, rather light yellow green; serrations rather fine, 

 rather shallow, double, dull serrate. 



14. Early Laxton. Habit upright-spreading, rather short, medium stout; internodes moderately 

 short. Two-year bark medium brown; one-year bark light purplish to light brown; young shoots 

 reddish tinged to light purplish; pubescence rather heavy; lenticels medium in number, small, 

 slightly raised, russet; growing tips light green; young leaves rather light yellowish green. Petiole 

 moderately wide-angled, short, medium thick, green; glands 1-2, very close to or on the blade, 

 rather small, green. Leaf blade rather small, roundish-oval, saucer- folded, upright; tip short 

 acute; margin even; surface smooth, very dull, rather heavily pubescent, light green; serrations 

 rather fine, very shallow, dull serrate to crenate. 



