442 



HOETICTJLTUEE 



September 28, 1912 



HYDRANGEAS AT KIMBALL COTTAGE, NANTUCKET, MASS. 



SOCIETY OF AMERICAN FLORISTS. 

 Report of Entomologist. 



( Conlinved from page j!i2) 



The Greenhouse Orthezia. 



Orthezia Insignia. (Dougl). 

 This scale insect is a common pest 

 ■of Lantana, Coleus, Ciirysanthemum, 

 Verbena, etc. In tropical regions it 

 is sometimes called tbe Lantana Bug, 

 as it commonly attacks this plant. It 

 occurs only in greenhouses in temper- 

 ate zones. The adult female is an at- 

 tractive insect, as the body is covered 

 with a white, waxy laminae. It is a 

 troublesome insect to eradicate. Fu- 

 migation is the best means of control. 



The Hemispherical Scale. 

 Saissetia Hemispherica (Targ). 

 This soft scale is one of the most 

 common found upon greenhouse 

 plants. As the name indicates, the 

 scale is hemispherical in form, but a 

 little elongated and sometimes higher 

 than broad. The eggs are laid be- 

 neath the body of the female and 

 ■when oviposition is finished the fe- 

 male dies. The larvae upon hatching 

 go to the leaves and settle along the 

 midribs and veins, where they remain 

 for a period of four to six weeks, and 

 then migrate back to the stems and 

 settle permanently. The life cycle of 

 this species under greenhouse condi- 

 tions is completed in five or six 

 months, allowing the development of 

 two complete generations in a year. 

 The Hemispherical Scale attacks a 

 host of plants, including ferns and 

 crotons, which are its favorites, and 

 palms, orchids, camellia, rose, olean- 

 der, alternanthera, chrysanthemums 

 and others. It is best controlled by 

 washing or spraying with soap solu- 

 tion. 



The Long Scale. 

 Coccus Longulus (Doug). 

 This species is not nearly so com- 

 mon as the others cited, but is, never- 

 theless, a widely distributed one. The 

 scale is commonly found in green- 

 houses of the north. It is twice as 

 long as broad and varies in color from 

 light brown to very dark brown. It is 

 usually found on Ficus, Euphorbia, 

 Citrus trees and Ferns. It is con- 

 trolled by treating with a soapy solu- 

 tion. 



The Short-tailed Mealy Bug. 

 PseuiXococcus Citri (Risso). 

 This is the common Mealy Bug 

 found in greenhouses throughout the 



country. In the south it has become 

 a pest of citrus groves (In Florida) 

 and more recently causing similar 

 trouble in California. 



The adult is about 4 mm. in length 

 and 2 mm. in width, oval or elliptical 

 in outline, with a fringe of short 

 spires encircling the body. The body 

 is covered with a white, waxy mass, 

 giving the insect its common name of 

 Mealy Bug. The female lays from 300 

 to 500 eggs, depositing them in a mass 

 beneath the tip of the abdomen, and 

 covering them with cottony wax fila- 

 ments. The eggs hatch in about two 

 weeks from time of disposition. The 

 larvae develop, requiring about six 

 weeks to two months to reach matur- 

 ity. They feed on a variety of plants 

 sucking the juices from the under side 

 of the leaves. The pest is a general 

 feeder, but of greenhouse plants, Co- 

 leus, Geranium and Sago Palm seem 

 to be its preference. This insect is 

 best controlled by fumigation. 



The Long-tailed Mealy Bug. 

 Fseudococcus Adonidum (Linn). 

 The Long-tailed Mealy Bug though 

 less common than the former, is quite 

 a pest in greenhouses, where it be- 

 comes established. It is readily dis- 

 tinguished from the Short-tailed spe- 

 cies by the length of the spines at the 

 anal extremity of the body, the last 

 two of which are as long as, and some- 

 times longer than the body. Its life 

 history and habits are similar to the 

 Short-tailed species. It is also best 

 controlled by fumigation. 



Frau Karl Druschki, the popular white 

 and Mme. Ravary, the yellow H. T. 

 Other varieties shown were Jessie, 

 Lady Ursula, Lyon — very much in evi- 

 dence throughout the show — Mildred 

 Grant, etc. A representative group on 

 staging secured a gold medal for Gunn 

 & Son, who had some excellent speci- 

 mens of Mildred Grant, Lyon, Liberty, 

 Irish Elegance. Molly Sharman Craw- 

 ford, Mme. Abel Chatenay, Prince de 

 Bulgarie, Lady Hillingdon, etc. W. and 

 J. Brown obtained a silver gilt medal 

 and Geo. Prince of Longworth, Berks, 

 a silver medal in the same section. In 

 the table decoration class, the first 

 prize design consisted of an excellent 

 arrangement of Lyon and Irish Ele- 

 gance. Some interesting novelties 

 were seen, prominent being an impos- 

 ing new white, British Queen, shown 

 by S. M'Gredy of Portadown, Ireland, 

 who was awarded a gold medal. 



W. H. ADSETT. 



BRITISH HORTICULTURE. 

 The Autumn Rose Show. 



In recent years the National Rose 

 Society has popularised that section 

 of the "Queen of fiowers" which flour- 

 ishes in the autumn by holding a Sep- 

 tember show. This year's exhibition, 

 which was held in London on Sept. 

 12th. was another notable addition to 

 the Society's achievements in bringing 

 together instructive displays of the 

 finest specimens of the national flower. 

 The decorative classes allowed full 

 scope for some delightful ornamental 

 schemes. The groups were particu- 

 larly striking. In the class for a repre- 

 sentative group placed on the floor. 

 Hobbies, Ltd. secured a gold medal for 

 a meritorious array. Included was a 

 new seedling pillar rose. Lemon King, 

 of a tint the name indicates. It has 

 been obtained from a cross between 



GLADIOLI AT TERRYVILLE. 



J. M. Adams of Hartford, Conn., 

 writes interestingly in the Hartford 

 Times, of a visit to the gladiolus fields 

 of B. F. White at Terryville. Of the 

 varieties described in the article we 

 select the following as being new or 

 not generally known: 



F.armington — Dark rich pink, large flower, 

 and a strong Tigorous plant. 



Helen Tracy — Large flower of delicate 

 piiiU. with, creamy white throat, markings 

 well defined. Petals have a narrow edging 

 of blue. 



Pearly Gates— White, flaked with marks 

 of bluish gray. 



Cora— A good sized flower, not as large 

 as some, but shows a vigorous growth. The 

 buds first show a lemon yellow, but as It 

 opens it is white with a small stain of red 

 ui the throat. 



MarwintoQ — Brilliant cerise; it Is a self 

 color, with no markings. Some were no- 

 ticed with twenty-tour flowers, and often 

 one stalk will throw out two small branch- 

 es of flowers beside the main one. Mr. 

 White said this was a new race his father 

 was much Interested in developing. 



Christmas Candv— A large white flower 

 with a beautiful striped throat. A cross of 

 Princeps and Lemolnel types. 



Gold Bug— A brilliant scarlet with golden 

 throat. 



Dr. Williams — A Princeps seedling of a 

 fine pink color and very productive. 



America's Lady — A cross of America ana 

 White Lady; in color like a cattleya. Its 

 petals are recurved and wavy. It Is larger 

 than America, a stately flower. 



Mrs Mai-y Gordon— Beautiful lavender 

 and a white throat. Tbe flower is very 

 large and opens out well. 



White Princeps— Of a true Princeps type, 

 but a grand white with a small stain of 

 . red in throat. 



