September, 1915 



THE GARDEN MAGAZINE 



35 



lied twiner is Cocculus trilobus (bet- 

 ter known as C. Thunbergii) native 

 of China and Japan which is re- 

 markable for the variability in shape 

 of its leaves. 



The native Greenbriers (Smilax 

 rotundifolia and 5. hispida), with 

 their Japanese relative S. Sieboldii 

 and two or three other species, are 

 interesting as being the only hardy 

 woody climbers in one great division 

 of the vegetable world to which be- 

 long the Palms and Grasses and 

 which is designated by botanists 

 Monocotyledons. 



Species of evergreen climbers are 

 few in number in the north tem- 

 perate regions and none occurs in 

 the cold northern parts of this con- 

 tinent. In the Arnold Arboretum 

 the only really hardy and satisfac- 

 tory evergreen climber is the Jap- 

 anese Evonymus (E.japonicus) and 

 its variety vegetus. These are root- 

 climbers and do well on walls and 

 .trees and like other plants of their 

 class form a bushy growth when old 

 enough to produce flowers. The axillary 

 short-stalked clusters of greenish-white 

 flowers appear in late June and are fol- 

 lowed by white fruits which open and dis- 

 play in marked contrast the seeds with their 

 orange-scarlet coverings. The type has nar- 

 rowly ovate pointed to lance-shaped leaves ; 

 the variety {vegetus) obovate to broadly 

 oval leaves rounded at the apex, dark green 

 and (in the winter in particular) glossy. 

 This variety which is a better garden plant 

 than the type was raised in the Arnold 

 Arboretum from seeds received from Sap- 



is there a more graceful vine for the country home than the Southern 

 pet-flower blooming in August? 



poro, Hokkaido, in 1876. In both of these 

 plants a variegated condition often appears 

 though it is more frequent in the type. 

 In the juvenile stage these plants have 

 marbled leaves and look very different 

 from the adult condition. A prostrate 

 plant sold in nurseries as E. kewensis or 

 E. minimus with small broadly-oval mar- 

 bled leaves is nothing but a juvenile form 

 of this polymorphic E. japonicus. It origi- 

 nated from seeds collected in Japan by 

 Professor C. S. Sargent in 1892. 

 A new and hardy Honeysuckle (L. 



Henryi) from China is a welcome 

 addition to the small list of evergreen 

 climbers. The clustered flowers are 

 tubular, reddish within and yellow 

 stained red without but are not very 

 conspicuous and these are followed 

 by dull black fruits. The leaves are 

 dark green of good size and sub- 

 stance and keep their color through 

 the winter. This plant makes a fine 

 tangle over rocks or on the bare 

 ground, but is not very satisfactory 

 on a trellis around Boston. 



In milder climates south of Bos- 

 ton, Mass., the common Ivy (Hedera 

 helix) , of which there are many dis- 

 tinct and striking forms, should be 

 cultivated. This plant ranges 

 through Europe, northern Africa and 

 northern Asia to Japan and is ex- 

 tremely polymorphic. The varie- 

 ties amurensis, chrysocarpa, colchica, 

 crenata, deltoid ea, rhombea and cana- 

 riensis (Irish Ivy) are among the best. 

 There arealsomany variegatedforms 

 and those who like such plants may 

 indulge their fancy. The new 

 Clematis Armandi from central China with 

 white flowers and its form Farquhariana 

 with pink flowers should be especially use- 

 ful in the south and on the Pacific slope. 

 The 3-foliolate leaves are dark polished 

 green and the flowers each 2-3 inches across 

 are freely produced in large axillary clusters. 

 For gardens situated where a genial climate 

 prevails I count this Clematis among the 

 most desirable and beautiful of plants I have 

 been privileged to introduce to cultivation. 



Next Month: "Ornamental Fruiting Trees and 

 Shrubs." 



Trum- 



Vitis DavidiivZT. cyan- 

 ocarpa, a grape with prick- 

 ly shoots 



Some vines worth growing for flower or foliage effects. For detail see text 



Clematis montana var. Hybrid Clematis comes in a Clematis moutana var. rubens. Clematis Armandi a new 



IVilsonii summer flower- great range of color, purple, remarkably profuse of rose colored evergreen white flowering vine 



ing with white flowers violet and white. flowers . for the south 



A new hardy Ampelopsis 

 {A. megalophylla') with 

 leaves a vard across! 



Chinese Moonseed (Sit'i- 

 omeniiim aci(tum) quite 

 hardy in this country 



