436 BOTANICAL GAZETTE [JUNE 
IX. Abies balsamea (Linn.) Mill. 
1895. 10.5, 13.1, 14.6, 16.2, 16.5, 15.9,.14.6, 13.9, 13.6, 12.3, 10.4. 
1896. 6.5,7.6, 5.5, 8.7,9,0,9.1, 9.2; 9.2; 8,9, 8.7, 8.9, 8.4, 8.1, 8.1, 7.5, 7.3, 6.8, 
6.2, 5.7, 4.4 (8 leaves). 
1897. 13.2, 15.6, 16.8, 17.2, 17.6, 16.8, 16.4, 15.7, 14.6, 14.0, 13.1, 9.5 (8 leaves). 
Needle-length Cross section Stem Ring 
1895. Ia.70. G.4077" 94 10.9 0.206™™ 
1896. 7.84 0.354 4.4 0.07 
1897. 15.04 0.477 6.3 0.115 
X. Tsuga Canadensis (Linn.) Carr. 
QO. 7:5, 6.1, 7.6, 7.4. 
1897. 8.1, 9.2, 8.3, 8.1, 6.9, 5.9 (13 leaves). 
Leaf length Stem 
1895 10,00"™™ aon 
1896 7.62 ya 
1897 7-75 4.1 
Many of the small dorsal leaves do not cling to the stem 
more than one year; hence the figures for 1895 and 1896 are 
too large in proportion to those for 1897. 
XI. Taxus baccata L. 
1895. 13.0, 16.9, 16.3, 12.7, 11.0, 9.9. 
1896. 7.9,8.4, 5.7 (6 leaves). 
1897. 13.9, 17.2, 17.3, 14.9, 7.5 (4 leaves). 
Leaf length Cross-section Stem . Ring 
1895. ia ee: coed a 39 tracheids 
1896. 7.58 0.773 2.1 6 4 
1897. 15.07 1.045 8.2 20 se 
INDIANA UNIVERSITY, 
Bloomington, Ind. 
