RORACEAE. 



109 



Photinia. 

 (Family Rosaceae). 



Shrubs: deciduous. Twigs mod- 

 erate or rather slender, rounded, 

 with large lenticels: pith rather 

 small, continuous. Buds sessile, 

 solitary, ovoid, acute, with about 

 4 somewhat keeled and mucronate 

 scales, the end-bud lacking. Leaf- 

 scars alternate, 2-ranked, linear- 

 crescent-shaped or somewhat 3- 

 lobed, somewhat raised: bundle- 

 traces 3: stipule-scars lacking. 



Photinia has been figured in its 

 essentials by Schneider, f. 74. 

 Glabrescent. P. villosa. 



Winter-character references to 

 Sorbus: 8. americana. Blakes- 

 lee & Jarvis, 488; Otis, 146. 8. 

 Aria. Bosemann, 78; Fant, 14, 

 f. 8; Ward,: 1:237, f. 122-123; 

 Willkomm, 34, f. 49. S. 

 Aria kamaoensis. Shirasawa, 251, 

 pi. 5. S. Aucwparia. Blakeslee & Jarvis, 488, pi. ; Bosemann, 78 ; 

 Fant, 12, f. 3; Schneider, f. 36; Ward, 1:226, f. 114-115; Will- 

 komm, 11, 35, f. 52. . avellana. Fant, 3, f. 4. S. Chamae- 

 mespilus. Schneider, f. 170; Willkomm, 35, f. 50. 8. domes- 

 tica. Bosemann, 78; Schneider, f. 136; Willkomm, 36, f. 53. 

 X 8. hybrida. Bosemann, 78; Fant, 13; Schneider, f. 136; 

 Willkomm, 6, 36, f. 54. 8. latifolia. Schneider, f. 167. 8. 

 Miyabei. Shirasawa, 257, pi. 5. &. Mougeotii. Schneider, f. 

 170. 8. sambucifolia. Shirasawa, 248* pi. 5. S. seandica. 

 Fant, 13. 8. sitchensis. Blakeslee & Jarvis, 488. 8. tormi- 

 nalis. Bosemann, 78; Schneider, f. 18, 167; Ward, 1:236, f. 

 121; Willkomm, 7, 35, f. 51. 



