ROS 



521 



ROS 



closer than when grown in the open improved by being drawn from Iheir 



garden. 



natural position of growth. Where 



Removal of Tender Varieties. — By the flowers do not show themselves to 



the end of March, if room cannot be advantage, or the shoots become much 



granted them in pits or a green-house, crowded, the dwarf standards may be 



the tender varieties may be brought improved in appearance, and really 



from their winter residence and plunged benefited, by drawing the lower shoots 



in an airy situation, and such as were downwards towards the edge of the 



left unpruned for late flowering, should pot, where they may be fastened to a 



now be pruned. But if allowed to re- piece of bast or wire made to pass be- 



inain in the pits through spring, they neath the rim; the upper shoots may 



will bloom much earlier, in greater then be drawn out to sticks ; or a neat 



perfection, and with finer foliage. 



hoop, fixed horizontally about the cen- 



Plunging. — Place the pots so that tre of the head of the plant, admits of 

 the bottoms rest on an inverted seed- a very pretty method of arrangement, 

 pan or flower-pot. This secures drain- If the plant be large, two or even three 

 age, prevents the roots growing through hoops maybe requisite, to which the 

 the bottom of the pot into the soil, and shoots should be drawn inclined down- 

 is an effectual barrier to the ingress of wards ; as they are, when growing, 

 worms. The pots may be plunged level sure to rise sufficiently upwards, 

 with the ground, and so far apart that Shading. — When {he plants com- 

 the plants may not touch each other mence flowering, it will be necessary 

 when full grown. After plunging, it is to shade them during the middle of the 

 beneficial to cover the surface lightly day ; and the covering should be mova- 



with stable manure. 



Watering. — Water should be given 

 abundantly through the growing and 

 blooming season. Guano-water is an 



ble, that they may have the advantage 

 of slight rains and dews. — Gard. and 

 Prac. Flor, 



Diseases. See Extravasafed Sap, Cy- 



excellent manure for roses in pots ; it nips, Mildew, Aphis, and Ornix. 



should, however, be used cautiously. JIOSCOEA. Five species. Stove 



If the plants require watering oflener herbaceous perennials. Division. Light 



than once a week, pure water should turfy loam. 



be given at the intervening periods 



Disbudding, ^c. — When the buds 

 iirst push, if two or three break close 

 together, the weakest, or those taking 

 the least favourable direction, should 

 be rubbed out. Such shoots as are in- 



ROSE. See Rosa. 

 ROSE ACACIA. Robinia Itispida. 

 ROSE BAY. EpiloUum angustifo- 

 Hum. 



ROSE BEETLE. See Anisopia. 

 ROSEMARY. Rosmarinus officina- 



clined to grow rank without blooming, lis 



should be stopped or taken out, if not Varieties. — There are three varie- 



wanted to form the head, for they ap- ties — the green, golden-striped, and 



propriate to themselves the sap, which 

 should be directed into the flower 

 branches, and further render the plants 

 of uneven growth. When the flower- 

 buds are forming imperfectly, they 

 should be nipped out; and the size of 



silver-striped. The first is in general 

 cultivation. 



Soil and Situation. — It thrives best 

 on a poor light soil mixed with old 

 mortar, or other calcareous matters. 

 In such, or when the plants are self- 



Ihe early flowers may be increased by raised on an old wall, they will bear 

 removing, at an early stage, the small 

 backward flower-buds. 



Suckers from the stock should be in- 

 variably cut out. It will also be found 

 beneficial to keep the surface of the 

 soil constantly in a loose state. 



Tying-up and Training. — As the 

 plants advance in growth, some will 

 require sticks to support the flowers, 



our severest winters; but in a rich 

 soil they lose much of their aromatic 

 nature, and perish in frost. For the 

 green variety, the situation may be 

 open, but the other two being tender, 

 require to be planted beneath a south 

 wall, or in pots to be allowed the shel- 

 ter of a green-house in winter. 



Propagation is by cuttings and rooted 



and keep the shoots apart. But those , slips, during any of the spring months, 

 which hold their flowers gracefully and or by layers in the summer. But the 

 show themselves well are not, perhaps, finest plants are raised by seed, which. 



