156 



BOTANICAL GAZETTE 



[august 



# 



2. From certain pots the light was excluded for 2-2.5 hours per 

 day during periods of n-19 days in all. 



3. The shading of the plants took place between June 12 and July 25, 

 and occurred at or near the time of year when the amount of daylight 

 was greatest. 



4. Tests were made on the shaded and unshaded plants as regards 

 (1) average height, (2) average weight, and (3) average number of 

 capsules produced. In every case the unshaded plants gave a higher 

 figure. 4 



5. As stems grow in length at a more rapid rate in darkness than 

 in light, it might have been expected that the average height of the 

 darkened plants would at least have equaled that of the unshaded ones, 

 but the contrary was the case. — J. Adams, Central Experimental Farm, 

 Ottawa, Canada. 



PIER ANDREA SACCARDO 



■ 



Dr. Pier Andrea Saccardo, who died February 12, 1920, was born 

 at Treviso, Italy, in 1845. At the age of 21 he became connected with 

 the Botanic Garden in Padua, where he remained until his death, first 

 as Assistant Director, then as Director (1878) and Professor of Botany 

 in the Royal University of Padua. He gave especial attention to 

 Fungi, and contributed many papers to mycological literature. Among 

 them were Fungi Veneti novi vel critici y series I-XII (1873-1882), and 



My 



In the latter were in- 



cluded descriptions of new species from various regions of North America 



and from South America. 

 delineati (pis. 1-1280), an< 



aph 



My 



thecae venetae (cent. I-XI), and was editor and principal contributor to 



Michelia 



accardo 



Persoon and of Fries had become antiquated. New systems of classi- 

 fication had been proposed, and descriptions of new genera and species 

 had appeared in publications treating of limited regions and scattered in 

 periodical literature and society transactions. The fame of Saccardo 

 will rest most largely on the measures he took to meet this situation. 

 He projected and carried through the publication, in one series, of 

 descriptions of all known species of Fungi based in the beginning on 

 600 separate publications. The first volume of this work (Sylloge 

 Fungorum omnium hucusque cognitorum) appeared in 1882, and the task 

 was finished when vol. VIII appeared at the end of 1889, the volumes 



