HARDY SHRUBS IN GREENHOUSE 255 



Mexican Orange Flower {Choisya ternata). This 

 will bear its white fragrant flower clusters in March 

 in a greenhouse, and a succession is maintained for 

 some time. It is most satisfactory when grown 

 altogether in pots and plunged outside during the 

 summer. 



Clematises. — Of late years the various forms of 

 Clematis have been grown largely under glass and 

 used for various purposes, not only in the shape of 

 large specimens, but in pots five inches in diameter, 

 the plant being secured to a single stake and carry- 

 ing several big showy flowers. Two somewhat new 

 continental varieties, Marcel Moser and Nelly Moser, 

 have proved very useful for this treatment. The 

 plants flowered in small pots are those that are 

 propagated in the preceding spring and plunged out 

 of doors during the summer. The Himalayan C. 

 montana that flowers naturally so early in the season 

 readily responds to a little heat, and in the green- 

 house in spring it is almost as welcome as the New 

 Zealand C. indivisa. 



CLETHRA.-^-Although C. alnifolia does not flower 

 until the autumn it may be had in bloom in 

 spring. Of course, it will not be so early as shrubs 

 that are naturally in beauty in the spring, but in May 

 its white, fragrant flowers should be seen. It requires 

 a cool, moist soil and sunshine, while prune moder- 

 ately immediately after flowering. Lifted in the 

 autumn soon after the leaves drop, it will succeed 

 well, 



CORYLOPSis SPICATA. — This reminds one of a 



