CURRENT LITERATURE 471 
closes his preface to this third report with an earnest request that all par- 
sactively engaged in any work relating to plant pathology would forward 
separates of their published articles.—C. O. TOWNSEND. 
: NOTES FOR STUDENTS. 
PROTOPLASMIC CONNECTIONS in a large number of plants belonging to 
groups from algae to flowering plants have been studied recently by 
algae, however, each cell is so independent in nutrition and reproduction 
the absence of connections need not occasion surprise. The oO 
s s J. CHAMBERLAIN. : on ee a 
PHYSIOLOGY of adjustment to p 
e the subject of a contribution by Pulst2 He worked with the 
Aspergillus, Botrytis, and Penicillium. The effect of a number of 
was determined, among them Cu, Zn, Hg, Ni, Co, Cd, Pb, etc. The 
9. was usually used, but some others (¢. 2. — CN, NOs, cl, 
i Penicillium withstands a h higher con- 
ast of Penicilliva, tong the oe a sed are © readily a 
to en : 
ble fertilization i is known. The sperms are | 
- th and become more —— ae n pro og a ~ oe 
| : erie Be 
