(172) 



Patouillard, Lars Romell, Fred J. Seaver and Cornelk 

 Shear. 



Bulletin no. 20, with 112 pages, was issued March 23, 

 1909. It contains the annual reports of the Director-in- 

 Chief and other officers for the year 1908. 



Bulletin no. 23, commencing Vol. VII, containing 148 

 pages and 40 plates, was issued August 27, 1909. It con- 

 tains an illustrated guide to the grounds, buildings, and 

 collections of the Garden, to which is appended a descrip- 

 tive list of the native trees of the Hudson River valley. 

 This Bulletin was published in cooperation with the Hudson- 

 Fulton Celebration Commission. 



Bulletins nos. 21 and 22 have not yet been published. 



Contributions 



Contributions by members of the staff or students of the 

 Garden reprinted during the year from other than Garden 

 publications, are as follows: 



No. 118. Studies of West Indian Plants — II, by Nathan- 

 iel Lord Britton. 



No. 119. North Dakota Slime-Moulds, by Fred J. Seaver. 



No. 120. Phycological Studies — IV. The Genus Neo- 

 meris and Notes on Other Siphonales, by Marshall Avery 



No. 121. Reproduction by Budding in Drosera, by 

 Winifred J. Robinson. 



No. 122. Notes on North American Hypocreales — II. 

 Nectria Peziza, by Fred J. Seaver. 



No. 123. Experiments upon Drosera rotundifolia as to its 

 Protein-Digesting Power, by Winifred J. Robinson. 



No. 124. Rhipsalis in the West Indies, by N. L. Britton. 



No. 125. Notes on Rosaceae — II, by Per Axel Rydberg. 



No. 126. The Genus Ceratopteris: A Preliminary Revi- 

 sion, by Ralph Curtiss Benedict. 



No. 127. The Crataegi of Mexico and Central America, 

 by W. W. Eggleston. 



