ROSACEAE. 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:—S. americana. Blakes- 
lee & Jarvis, 488; Otis, 146. S. 
Aria. Bosemann, 78; Fant, 14, 
ft. 8s) Ward.) ligate ti Pae-e2ee 
Wilrlkomm, . 34° £ 4% -s- 
Aria kamaoensis. Shirasawa, 251, 
pl.5. S. Aucuparia. Blakeslee & Jarvis, 488, pl.; Bosemann, 78; 
Fant, 12, f. 3; Schneider, f. 36; Ward, 1:226, f. 114-115; Will- 
komm, 11, 35, f. 52. S. avellana. Fant, 3, f. 4. 8S. Chamae- 
mespilus. Schneider, f. 170; Willkomm, 35, f. 50. S. domes- 
tica. Bosemann, 78; Schneider, f. 136; Willkomm, 36, f. 53. 
x S. hybrida. Bosemann, 78; Fant, 13; Schneider, f. 136; 
Willkomm, 6, 36, f. 54. S. latifolia. Schneider, f. 167. S. 
Miyabei. Shirasawa, 257, pl. 5. S. Mougeotii. Schneider, f. 
170. S. sambucifolia. Shirasawa, 248, pl. 5. 8S. scandica. 
Fant, 13. SS. sitchensis. Blakeslee & Jarvis, 488. 8S. tormi- 
nalis. Bosemann, 78; Schneider, f. 18, 167; Ward, 1:236, f. 
121; Willkomm, 7, 35, f. 51. 
