PLATE 3 
Bul. 1494, U. S. Dept. of Agriculture 
ourd 
OHTA JO OSvJUOIIOd YSIY BV ZUTULE}UOD PURyS posv-UDAD poyoojs AI] B UI 4[NSot ‘po}d0}01d JI ‘TITAN OY YSorO] 2B Joqje UL suTUICO 
ANId ALIHM Nd&alsaf, ONILLNO NI LHONOS 3a OL WAG] SHL 
bsceLt_s 
TOON poOIdod Sty, 
