197 



tomentella Bureau & Franchet 1891. (Wilsonii Schnei- 

 der 1917). Szechuau, Yunnan. 



Sweginzowii Koehne & Lingelsheim 1910. Szechuau. 

 Fig. 4. 



* i * I I » 



y> \5pecies 



Fig. 3. Map of lilacs in the Brooklyn Botanic Garden. 



3 and 4: Panicles from Lateral Buds 



3. Vulgaris Group (Leaves Usually Glabrous) 



oblata Lindley 1859. (Broadleaved L). North China. 

 Fig. 4. 

 *vulgaris Linnaeus 1763. (Common L). Balkan Mts. 

 *persica Linnaeus 1763. (Persian L). Kansu. 

 var. alba, 

 pinnatifolia Hemsley 1906. Szechuan. 



4. Pubesccns Group (Leaves Pubescent) 



*pubescens Turczaninov 1840. Chihli. 

 *Meyeri Schneider 1912. Chihli. 

 *Julianae Schneider 1911. Hupeh. 



velutina Komarov 1901. Korea. 



microphylla Diels 1901. W & C China. 



III. Hybrids between Species and their Varieties 



5. Lfybrids, except Lamartine Group 



*chinensis Willdenow (persica X vulgaris), 

 var. alba. 



