320 OLEACEAE. 
JASMINUM. Jessamine. 
(Family Oleaceae). 
Shrubs, tender in the North, © 
often scrambling or climbing: © 
sometimes evergreen. Twigs 
slender, often 4-lined: pith small, 
roundish, continuous or cham- 
bered. Buds usually solitary, ses- 
sile, small, divergent, sometimes 
developing the first season, with 2 
or 3 or, when elongated, several 
pairs of scales. Leaf-scars op-— 
posite, or separated in 4-ranks, 
crescent-shaped, small, somewhat 
raised: bundle-trace 1, small: sti- 
pule-scars lacking. Leaves, when 
present, mostly pinnately parted 
or compound. 
Winter-character references: — 
Jasminum fruticans. Schneider, f. 
115. J. nudiflorum. Schneider, f. 
1llb: J. officinale. Schneider, f. 
115. The chambered or discoid 
pith is noted by de Candolle, Vegetable Organography, 1:48; 
Foxworthy, Proceedings of the Indiana Academy of Sciences 
for 1903, 192; Morren, Annals and Magazine of Natural His- 
tory, 4:84, pl. 2; Solereder, Systematic Anatomy, 1:525. 
Lh; 
2. 
3. 
Twigs terete: pith spongy, becoming chambered. 2. 
Twigs acutely 4-lined, glabrous: pith continuous. 4. 
Very hairy: climbing. 3. 
Glabrate: loosely scrambling. J. officinale. 
Pubescence white. J. Sambac. 
Pubescence rusty. (1). J. pubescens. 
. Buds globose, with broad blunt scales. (2). J. humile. 
Buds and their scales acute. (3). J. grandiflorum. 
