SALICACEAE • EMPETRACEAE 281 



SALIX — continued 



S. discolor. Pussy Willow. 25. March- April. D. Branchlets purplish brown. 



Ls. lane, 5, toothed, bright green above, blue-white below. Stamens 



two. Canada. (Fig. iii m.) 

 S. nigricans. Dark-leaved Sallow. 12. April. D. Branchlets downy. Ls. ov., 



4, toothed, dark dull green above, bluish below. Stamens two. Europe 



(including Britain). (Fig. 11 1 n.) 

 S. purpurea. Purple Osier. 18. April. D. Branchlets glossy, purple on 



sunny side. Ls. linear, lane, 3, minutely toothed at outer end, glossy 



green above, bluish below. Europe (including Britain) and Central 



Asia. (Fig. 53 b.) 

 S. reticulata. \. May-June. D. Ls. roundish ov., i, entire, dark green and 



wrinkled above, white and net-veined below. Stamens two. Europe 



(including Scottish Highlands) and Labrador. (Fig. 128 R.) 

 S. Salamonii. 60. D. Branchlets drooping (not so much as in S. hahylonica). 



Ls. lane, 5, finely toothed, persisting to December. Female tree only. 



Hybrid. 

 S. viridis. 80. May, D. Branchlets at angle of sixty degrees or more. Ls. 



lane, 5, toothed, dark glossy green above, glaucous below. Natural 



hybrid. 

 S. vitellina {S. alba, variety vitellina). Golden Willow. See S. alba under {a). 



Family loi. EMPETRACEAE. P4-6, A2-3, G (2-9) 



Evergreen heath-like shrubs. Ls. alternate or in whorls, linear, \, blunt-ended, 

 glossy green, margins recurved, crowded on stems. Fls. small, inconspicuous, 

 purple. Fruit a berry. 



CoREMA ALBUM. Portuguese Crowberry. 2. April-May. Young stems very 

 downy. Ls, usually in threes. Fls. in terminal heads. Berry \, white, in clusters, 

 3-seeded. Portugal. (Fig. 48 N.) 



Empetrum nigrum. Crowberry. i . March. Ls. usually in fours, Fls. in 1. 

 axils. Berry \, black, in clusters, 6-9-seeded. North temperate (including 

 Britain) and Arctic regions. (Fig. 48 M.) 



