AMERICAN 
JOURNAL OF SCIENCE. 
JAMES D. ann E. S. DANA, anv B. SILLIMAN. 
ASSOCIATE EDITORS 
Prorrssors ASA GRAY, JOSIAH P. COOKE, anp 
JOHN TROWBRIDGE, or Campriner, 
Proressors H. A. NEWTON anp A. E. VERRILL, or 
New Haven, 
Prorrssorn GEORGE F. BARKER, or Patapecputa. 
THIRD SERIES, 
VOL. XXV.—[WHOLE NUMBER, OXXV.] 
Nos. 145—150. 
JANUARY TO JUNE, 1883. 
WITH FIVE PLATES, 
NEW HAVEN, CONN.: J.D. & E.S. DANA. 
1883. oe 
BoTANICAL 
RI 
GARDEN 
