36 MORACEAE. 
BROUSSONETIA. Paper Mulberry. 
(Family Moraceae). 
Rather small trees with soft 
ring-porous pale wood with tan- 
gential wood-parenchyma pattern 
and milky sap: deciduous. Twigs 
moderate, rounded, zig-zag, his- 
pid when young: pith rather 
large, round, white, with a very 
thin green diaphragm at each 
node. Buds moderate, conical, 
solitary, sessile, with an outer 
striate scale. Leaf-scars typically 
alternate and 2-ranked, rather 
large, rounded, elevated: bundle- 
traces about 5, compound, aggre- 
gated in an ellipse: stipule-scars 
long and narrow. 
Winter-character references to 
Moraceae:—Broussonetia Kasino- 
ki. Shirasawa, 243-4, pl. 4.—B. 
papyrifera. Schneider, f. 112,— 
the contraria form; Shirasawa, 
244, pl. 4—Ficus Carica. Schneider, f. 112; Shirasawa, 240, 
pl. 3; Ward, 1:51, f. 33, 118, f. 59; Zuccarini, 25, pl. 14.—Ma- 
clura pomifera. Blakeslee & Jarvis, 330, 494; Hitchcock (3), © 
17; Otis, 132; Schneider, f. 144-145—Morus alba. Blakeslee 
& Jarvis, 340, 468, pl.; Bosemann, 75; Schneider, f. 144; Will- 
komm, 28, f. 32.—M. nigra. Bosemann, 75; Schneider, f. 143. 
—M. rubra. Blakeslee & Jarvis, 340, 466, pl.; Brendel, 27, 29, 
pl. 4; Hitchcock (1), 3, f.14, (3),17, (4), 138, f. 90-94; Otis, 134. 
1. Twigs slender (2-3 mm.), brown. B. Kasinoki. 
Twigs relatively stout (4 mm.), greenish gray. 2. 
3. Leaves alternate and 2-ranked. (1). B. papyrifera. 
Leaves often opposite. (2). B. papyrifera contraria. 
