668 



HORTICULTURE 



May 6, 1911 



ARNOLD ARBORETUM BULLETIN. 



Persons interested in plants often 

 complain that they do not Ivnow when 

 the trees and shrubs in the Arboretum 

 bloom and therefore miss flowers 

 which they want to see. To meet this 

 difficulty it is proposed to issue from 

 time to time from the Arboretum bul- 

 letins of popular information in which 

 attention will be called to the flower- 

 ing of important plants and other mat- 

 ters connected with them. During the 

 spring and autumn these bulletins will 

 probably be issued every Saturday and 

 from time to time during the re- 

 mainder of the year when the neces- 

 sity for them exists; and in them no- 

 tice will be given of what will be best 

 worth seeing during the following 

 week. 



Copies of the Bulletin will be mailed 

 without charge to any one interested 

 in trees and shrubs and their cultiva- 

 tion who desire to receive them. 



An illustrated guide to the Arbore- 

 tum containing a map showing the 

 position of the different groups of 

 plants has recently been published. It 

 will be found useful to persons un- 

 famliar with the position of the differ- 

 ent groups of plants. Copies of this 

 guide can be obtained at the Adminis- 

 tration Building in the Arboretum, 

 from the Secretary of the Massachu- 

 setts Horticultural Society on Massa- 

 chusetts avenue, Boston, from The 

 Houghton, Mifflin Company, 4 Park 

 street, Boston, and at the Old Corner 

 Bookstore, Bromfield street, Boston. 

 C. S. SARGENT, Director. 

 Bulletin No. 1. 

 The hot days of last week have 

 brought out suddenly the flowers of 

 several plants belated by the excep- 

 tional cold of the early part of April. 

 Many of the magnolias of eastern 

 Asia, which produce their flowers be- 

 fore the leaves appear, are now in 

 bloom. The flowers of the earliest of 

 these. Magnolia stellata, are already 

 passing. The delicate pink flowers of 

 one form of this handsome and hardy 

 Japanese shrub deserve special notice. 

 The white-flowered Magnolia con- 

 spicua from China, the two forms of 

 Magnolia Kobus from Japan, and the 

 hybrid Magnolia Soulangiana. with 

 pink flowers are particularly notice- 

 able. They are in the immediate 

 neighborhood of the Administration 

 Building and near the Jamaica Plain 

 gate. 



Several of the Asiatic cherries are 

 In bloom. The most attractive of these 

 are Prunus pendula and a variety of 

 this Japanese tree with erect branches, 

 Prunus pendula ascendens, often called 

 Prunus subhirtella. This is one of the 

 most beautiful of the early spring 

 flowering trees. Attention is called, 

 too, to Prunus Sargentii. This is a 

 large cherry tree from the forests of 

 northern Japan with single flowers, 

 pink on some plants and rose-colored 

 on others. Prunus Sargentii is a val- 

 uable timber tree in its native coun- 

 try and one of the most desirable of 

 the hardy trees of recent introduction. 

 These cherry trees and many others 

 are on the right-hand side of the For- 

 est Hills road. 



In the shrub collection, near the 

 Forest Hills gate, a number of species 

 of Ribes (currants and gooseberries) 

 are already in flower and here the 

 different forms of Forsythia may be 

 seen. The handsomest of them at this 

 time is Forsythia intermedia, a hybrid 



between F. suspensa and F. viridis- 

 sima, and a more desirable decorative 

 plant than either of its parents. Less 

 beautiful but of particular interest to 

 students of plant geography is Forsy- 

 thia europaa, discovered a few years 

 ago in Albania and the only species 

 found beyond the limits of the Chinese 

 empire. 



On Azalea path a number of plants 

 of Rhododendron mucronulatum are 

 now in good condition. This is a na- 

 tive of the mountains of northern 

 China, and is now covered with bright 

 rose-colored flowers which are pro- 

 duced before the leaves. It is the 

 earliest of the rhododendrons and aza- 

 leas to bloom in the Arboretum. 



The Service Berry, or Shad Bush 

 tree, will soon be in flower. Two spe- 

 cies, Amelanchier canadensis and A. 

 obovalis, grow naturally in the Arbore- 

 tum, and the latter has been planted 

 in large numbers through the border 

 shrubberies. Large plants of A. cana- 

 densis, easily distinguished by the 

 deep red color of the unfolding leaves, 

 are growing at the foot of the wooded 

 slope near the junction of the Forest 

 Hills and Meadow roads. 



The plum trees near the shrub col- 

 lection will soon be covered with 

 sheets of white flowers. Some of the 

 apricots here are already in bloom, 

 and the pink petals of Prunus David- 

 iana are already dropping. This is 

 the wild peach of northern China, by 

 some botanists believed to be the 

 plant from which the cultivated peach 

 has been derived. 



BROOKLYN'S BOTANIC GARDEN. 



Work has begun on the new Botanic- 

 Garden and Arboretum to be located in 

 Brooklyn, N. Y. In several weeks bids 

 will be taken for the contracting of a 

 rart of the main building and the 

 greenhouses which are to bo built at 

 a pric-j not to exceed $50,000. 



The general plans for the garden 

 were prepared by Olmsted Brothers, 

 landscape nrchitects. The plans and 

 specifications for the instruction build- 

 irg and plant houses were prepared by 

 McKim. Mead & White. When fin- 

 ished , the garden and arboretum will 

 be unique features of the Brooklyn 

 park system. 



AN ENEMY OF THE SCALE. 



We learn from reports from Sey- 

 mour, Ind., that the fungus known as 

 the "red-headed fungus" has appeared 

 there as the enemy of the San Jose 

 scale and has been doing some sur- 

 prising work in eradicating the pest. 

 It is believed that if the fungus can 

 be made to grow artificially and can 

 be transpl.inted to scaie infested or- 

 chards, it will solve the San Jose 

 scale question. It is said the fungus 

 has been grown with success in the 

 entomological laboratory at Indianapo- 

 lis during the winter months. 



AN APHINE DEMONSTRATION. 



Manager Ebel of the Aphine Manu- 

 facturing Co., tells us that he has ar- 

 ranged with the Florists' Exchange of 

 Baltimore to hold a public demonstra- 

 tion at their market rooms at an early 

 date, to show the merits of Aphine as 

 an insect destroyer. Mr. Ebel gave 

 similar demonstrations at Boston, New 

 York, Philadelphia and other floral cen- 

 ters some time ago, and in every in- 

 stance made a favorable impression, 

 his preparation fully supporting the 

 claims advanced for it. 



FLOWER SHOW AT THE PENN- 

 SYLVANIA STATE COLLEGE. 

 The Department of Horticulture and 

 the Penn State Crab Apple Club, the 

 horticultural student organization of 

 the Pennsylvania State College, man- 

 aged a flower show the last week of 

 April that was decidedly successful. 

 The florists throughout the state were 

 requested to contribute and those who 

 responded did so most liberally. Flori- 

 culture is rapidly coming into promi- 

 nence in the college and the show did 

 much to arouse interest on the part 

 of the students and the general pub- 

 lic. The department is at present 

 hampered somewhat by want of space 

 under glass but with the proposed ad- 

 dition of several more houses this 

 branch of horticulture will receive 

 rapid development. Professor Gregg 

 has charge of the work in floricul- 

 ture and the success of the show was 

 very largely due to his untiring ef- 

 forts. 



The exhibition was staged in the 

 well lighted service room of the new 

 greenhouses and its capacity was 

 taxed. It will probably be necessary 

 in the future to use the college 

 armory. The center of the room had 

 a long table upon which were the 

 roses, the center of interest to most 

 visitors. The sides were given over 

 to the carnations and potted speci- 

 mens. Not all of the florists who re-' 

 ceived announcements of the show 

 responded, but there were enough 

 generous contributions to make the 

 show a success. Myers & Samtman, 

 of Chestnut Hill, Pa., sent a magnifi- 

 cent display of American Beauty, My 

 Maryland and Hilda roses. The Pitts- 

 burgh Cut Flower Company made the 

 largest display, including splendid 

 specimens of Richmond, My Mary- 

 land, Pink and White Killarney roses; 

 and Lawson, White and Pink En- 

 chantress, Winsor and Victoria car- 

 nations. S. S. Pennock-Meehan Co., 

 of Philadelphia, contributed American 

 Beauty roses, snapdragons and Vic- 

 toria and Enchantress carnations. 

 Other contributors were Floral Ex- 

 change, Edgely, Pa., Golden Gate, 

 Bride, and Bridesmaid roses; Oak- 

 wood Rose Gardens, Oil City, Pa., 

 Richmond, Bride, and Bridesmaid 

 roses; Wm. Allen, Homewood Ceme- 

 tery, Homewood, Pa.; Primrose and 

 Spiraea; Finleyville Floral Co., Pin- 

 ieyville. Pa.; Enchantress, Beacon, 

 Winona and White Perfection carna- 

 tions; W. M. Deyoe, Oil City, Pa., 

 several varieties of carnations; Staf- 

 ford Flower Farm, Stafford, Pa., 

 White Perfection and Winsor carna- 

 tions; Saxonwald Greenhouses, Castle 

 Shannon. Pa., Enchantress carnations, 

 snapdragons, and Killarney roses. 

 The New Jersey Agricultural Experi- 

 ment Station, New Brunswick, N. J., 

 exhibited several specimens of roses 

 and carnations grown with commer- 

 cial fertilizer only. 



The Hilda rose showed the most 

 substance and keeping quality. It was 

 followed closely by a vase of White 

 Killarney. The Enchantress and Bea- 

 con carnations commanded the most 

 praise. 



Jamestown, N. D. — The Wheeler 

 Floral Co. sustained a damage of 

 about $600 during a storm on April 

 14. A portion of the roof and a 

 bench of carnations were destroyed. 



