QUESTION DRAWER. 



41 



Any mode of eradication which will prove 

 effective in the case of Canada thistle or twitch 

 grass will prove valuable in getting rid of this 

 pest. The underground tubers must be starved 

 out. If so desired hoed crops might be grown, 

 but in such cases the cultivation should be so 

 thorough as not to allow any of the plants to 

 show above the surface. 



Fig. 1734. Nut Grass. 



The following treatment is recommended : 

 Apply a heavy coating of manure and drill in 

 rape. Cultivate the rape thoroughly. Rib the 

 land up in the fall as the exposure to the frost 

 will greatly assist in riddling a field of this pest. 

 The rape makes excellent pasture and jvill assist 

 in smothering the nut grass. Hogs are fond of 

 the tubers. Prof. Doherty, O.AC, Guelph. 



Crab Claw Cactus. 



Please g^ve the botanical name of the Crab 

 Cactus or Lobster Cactus, and also the name of 

 the Cactus on which it should be grafted for best 

 success. H. C. Norwich. 



The botanical name of Crab's Claw Cactus is 

 Epiphyllum,and the principal variety is Epiphyl- 

 lum truncatum. They are easily grafted on 

 stems of Cereus Columbrinus about two feet 

 high. Periskia stock is also used with great 

 success. Either stock may be purchased at 

 about 20 cents each. 



Cuttings for Top Grafting. 



Sir,— I have bought a few Wealthy apple trees 

 to arrive in spring. I shall cut them back before 

 planting and I want to know if I can use the cut- 

 tings to top graft other trees. I will also plant 

 strawberries, raspberries, black and red currants 

 and gooseberries, all for market. What would 

 you advise me to plant ? 



Yes, the scions cut from the mature portions 

 of last summer's growth will be excellent for 

 top grafting other trees. As to varieties of 

 strawberries, there are so many new ones every 

 year it is difficult to advise. The writer thinks 

 very highly of Clyde, VVoolverton, Saunders 

 and Haverland. Of raspberries, we plant at 

 Maplehurst only Cuthbert and Marlboro for 

 market; of black currants, Lee's Prolific, 

 and Saunders ; of red currants. Cherry and Fay. 

 For a full description of these fruits see Fruits 

 of Ontario for i8q8. 



Cherries. 



Sir, — I would be obliged for a list of cherries 

 for profit. I want to plant about 175 and have 

 now 50 Richmond and Montmorency. My soil 

 is clay loam, well drained, and situation favorable 

 for early ripening. A. H. Wane, Beamsville. 



In a section where the sweet cherries 

 grow it is well to plant with a view to cov- 

 ering the season with a few choice varieties. 

 A good list for this purpose would be Early 

 Purple, Governor Wood, Cleveland, Elton, 

 Black Tartarian, Knight's Early Black, 

 Napoleon Bigarreau, Mezel, Elkhorn and 

 Windsor. These are named in order of 

 ripening. Of the sour cherries a good list 

 is May Duke, Richmond, Olivet, Hortense, 

 Montmorency and English Morello. 



