TREES AND SHRUBS 



Fungoid Pests: — Gooseberry JNlildew {^licTosjj/icera Grossulaiice), American 

 Gooseberry Mildew {Sphcerotheca Mors-uva;), Gooseberry Polypore {Forties 

 Ribis). 



BLACK CURRANT, Ribes nigrum. 



Woods, gardens. April, May. Prune November — February, tliinning 

 out old shoots only. 



Flowers yellowish -green, \-\ in. diam., in a lax pendulous raceme, few 

 flowered, tomentose, pedicels glandular, bracts subulate ; Calyx campanulate, 

 4-5-fid, glandular pubescent ; Petals 4-5, minute ; Stamens 4-5 ; Ovary 

 inferior, 1-celled, 2 parietal placentas, styles terete, capitate ; Fruit a berry, 

 globose, black, gland-dotted, odorous glandular hairs. 



Leaves alternate, pentagonal, cordate, 3-7-lobed, serrate or biserrate, 

 acute, dark green, glabrous, shining, or slightly pubescent, coarse and rough 

 above, paler and yellow glandular hairs beneath, aromatic when bruised, 

 lf-2f ins. long, 3i-4^ ins. broad ; petiole slender, pubescent. Autumn tints 

 yellow and brown. 



A deciduous shrub, 3-5 ft. ; Tivigs grey tawny, yellow glandular hairs, 

 odorous ; Buds greenish, tinged red, scales loosely imbricated, golden glan- 

 dular hairs. 



Native of Britain. 



Chief insects injurious to Currants: — Bark — Gooseberry and Currant Scale 

 {Lecanium ribis), Mussel Scale {Mytilaspis pomorum) ; Buds — Currant Gall 

 Mite {Phytoptus ribis) ; Leaxies — Currant Aphis {Rhopalosiphum ribis), Comma 

 Butterfly {Vanessa c-album). Gooseberry and Currant Moth {Abraxas gros- 

 sulariata). Gooseberry and Currant Sawfly {Nematus ribcsii) ; Shoots — Currant 

 Clearwing Moth {Sesia tipuliformis). 



RED CURRANT, Ribes rubrum. 



Woods, thickets, gardens. April, May. Pruning: — Select strong shoots 



for forming new branches, and shorten others to within 1 in. of base 



40 



