CONTENTS. 
PaGr. 
1. REPORTS FOR THE YEAR 1905:— 
a. Report of the Officersofthe Board . ....... #7 
b. Seventeenth Annual Report of the Director . . . . . 28 
2. ScrentTIFIc Papers :— 
a. Studies on the lignin and cellulose of wood.— 
ee eae ee Oa 41 
b. Studies upon some chromogenic fungi which Mickhen 
wood.— 
By George Grant Hedgcock . .. . a 59 
-¢. Zonation in artificial cultures of dics had otheottien and 
other fungi.— 
By George Grant fo Oe ee an 115 
d. Some new Texas plants.— 
By B.D ae 119 
e. Ascidia in Gasteria and Agave.— 
By J. Arthur Harri = Sekt : 126 
J. Prolification of the fruit in Capsicum ap Passiflora.— 
By J. drthus Fes Ce Ort. ee oe ee 
_g. Fasciation in Oxalis crenata and experimental produc- 
tion of fasciations.— 
: By Henri Hus Se ek es oe A Pee eb boste Bene 2 4 
h. Constriction of twigs by the bag worm and ichiitans evi- 
dence of growth pressure.— 
By Hermann ven Schrenk . . 2... 1: , 153 
AS 
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