140 



Ornamental Trees for Avenues, Parks and Gardens 



AS frequent reference has been made throughout this book to many varieties of trees, shrubs, roses, 

 etc., a full description of them will be of great service to the reader in making his planting-list. 

 The varieties herein described are fairly representative of the growing stock at the Greening Nurseries, 

 which is not intended as a botanical museum of all known plants, but rather as a comprehensive list 

 of all that are dependable. By the exercise of much care we have selected only the varieties that are 

 best fitted to thrive in the severe climatic conditions of the Middle West and North Central States. 



Upright Deciduous Trees 



This class includes all shade and ornamental 

 trees that shed their leaves in the fall. 



ACER^MAPLE 



Trees of this group are hardy .vigorous, adapt- 

 able to many soils, free from diseases, easily trans- 

 planted, regular in outline and beautiful in leaf. 

 Nearly all are brilliantly colored in fall, especially 

 the North American species. 



Campestre (European Cork Maple) — Rather a 

 sinall tree, with dark, dull green leaves, fading 

 to brown and yellow. Has corky ridges on the 

 branches. Very interesting when grown as a 

 large shrub. 



Dasycarpum (Silver Maple) — Of quicker growth 

 than most trees, and valuable where immediate 

 shade is reciuired. Forms a large spreading 

 head; the fine leaves are silvery beneath. Grows 

 over 100 feet high. 



Var. Wieri laciniatum (Wier's Cut-leaved Silver 

 Maple) — A very beautiful specimen tree, with 

 delicately cut leaves and distinct, half-drooping 

 habit. The leader grows rapidly upright, the 

 slender lateral branches curve gracefully down- 

 ward. Of noble proportions when undisturbed, 

 yet patient under considerable pruning. 



Pseudo-platanus (European Sycamore Maple) — A 

 broad, handsome tree of medium size, rarely 

 over 60 feet high, with larger, darker leaves 

 than other Maples. Casts a dense, cool shade. 



Saccharum (Sugar or Rock Maple) — This tree is 

 chieftain of its kind, straight, spreading, sym- 

 metrical, of grand proportions, often 120 feet in 

 height, and longer-lived than most men who 

 plant it. It grows well in all except damp, 

 soggy soils, and roots deeply, allowing the grass 

 to grow closely about its trunk. Its leaves have 

 very rich autumn tints of clear yellow and 

 scarlet. 



ACER SACCHARUM (Sugar Maple) 



Negundo (Ash-leaved Maple; Box Elder) — This 

 species is easily distinguished by its pinnate 

 leaves and greenish yellow bark. It grows rap- 

 idly into a large, spreading tree, 70 feet high, 

 found valuable for planting timber claims, 

 shelter-belts, etc., in the West, where it endures 

 both drought and cold. 



Platanoides (Norway Maple) — A handsome tree, 

 of large, fairly rapid growth, 80 to 100 feet, 

 forming a dense, rounded head of strong 

 branches and broad, deep green leaves. Sturdy, 

 compact, vigorous, it is one of the very best 

 trees for lawns, parks and gardens. 



Schwedleri — The Purple Norway Maple's beauti- 

 ful leaves attract attention at all seasons, but 

 are especially fine in spring, when their gleaming- 



red and purple contrasts brightly with the deli- 

 cate green of other trees. In midsummer they 

 are purplish green, in autumn golden yellow. 

 Grows to 80 feet. 



Polymorphum (Japanese Maples) — These are the 

 most delicately beautiful of small exotic trees. 

 The more vigorous types like Atropurpureum, 

 Dissectum and Ornatum, are hardy even in New 

 England; the variegated types are only variably 

 hardy. In some varieties the leaves are ex- 

 quisitely cut and bright-colored only in spring 

 and fall; others are deep blood-red or golden 

 yellow all the season. 



AESCULUS (Horse-Chestnut) 



Hippocastanum (European White - Flowering 

 Horse-Chestnut) — A large tree, 40 to 60 feet 

 tall, of regular outline, spangled in May with 

 great upright spikes of white and red flowers. 

 Has no superior as a specimen flowering tree. 



Rubicunda (Red Flowering Horse-Chestnut) — A 

 somewhat smaller tree, rarely over 30 feet, with 

 darker leaves and splendid flower-spikes open- 

 ing a little later. Fine for contrasting with the 

 white-flowered. 



AILANTUS 

 (Celestial Tree — Tree of Heaven) 

 Glandulosa — An extremely quick-growing tree; 

 60 feet tall and tropical looking, with pinnate, 

 palm-like leaves. Valuable because it thrives in 

 smoky cities and in soils where other trees 

 perish. 



ALNUS (Alder) 

 Glutinosa (European, or Common Alder) — 

 Foliage roundish, wedge-shaped, wavy. Re- 

 markably quick in growth; 30 to 60 feet high. 



Laciniata Imperialis (Imperial Cut-leaved Alder) 

 — Of stately, graceful habit, 30 to 60 feet high, 

 with large and deep-cut foliage. Vigorous and 

 perfectly hardy. A grand la-wn tree. 



