166 BOTANICAL GAZETTE [AUGUST 
Hill’s experience as a persistent field student is a lesson in patience 
and courage. His numerous field trips on crutches and afterward with 
canes; his devices to overcome the handicap of lameness while collecting; 
his persistence in making these trips even when he paid a severe penalty 
for exposure or over-exertion—all testify to the spirit of the man. Dur- 
ing his later years he was a constant and welcome visitor at the weekly. 
meetings of the Botanical Club of the University of Chicago, and was 
always intensely interested in the various phases of modern botany. 
His mind was open and progressive, turned toward the future of his sub- 
ject rather one toward the past. 
His | lished includes 162 titles, ranging in time from 
1870 to 1916, and covering all the phases of botany that would attract 
the attention of an active field man with broad interests. This journal 
published 34 of his titles, the majority of them during the decade 1880- 
1890, and the last one in toro. Certain genera received his critical 
attention, among them being Potamogeton, Carex, Quercus, Prunus, 
Salix, and Crataegus. Taxonomists will recognize the fact that these 
are difficult genera, but it was their difficulty that attracted. _ 
The Hill Herbarium, which is said to include 16,000 sheets, the accu- 
mulation of years of critical work, has been secured by the University of 
‘Illinois. It represents probably the most valuable single collection of 
Illinois plants, especially of the Chicago region, and it is fortunate that 
| ae as te es ee M. C. 
— RESISTANCE OF SEED COATS OF ABUTILON THEOPHRASTI 
TO INTAKE OF WATER 
oe In the fall of 1910 I gathered seeds of Abutilon Theophrasti (velvet 
_ leaf) near Manhattan, Kansas, placed them in vials of roo seeds each, 
— covered them with water, and stoppered the vials. ‘The results in the 
e present time have been very similar. a 
shad swollen within the ist 5 weeks and were 
-xamine In December 1916 a “desk i in which o 
1 and | x on 
erates the past 6 years 22 of the remaining — 
