Herbarium 



The Garden herbarium consists at present of about 186,500 

 specimens, including phanerogams, ferns, mosses, liverworts, 

 lichens, parasilic and otb< 1 i'um;i, algae, and myxomycetes. This 



collection may be consulted from o a.m. until 5 p.m. by those inter- 

 ested, and specimens submitted will be gladly identified. 



Library 



The rapidly growing library of (be ( iarden comprises a! present 

 over 11.000 volumes and ever 8.900 pamphlets. This is not a cir- 

 culating library, but is open free for consultation to all persons 

 daily (except Sundays and holidays; from 9 a.m. until 5 p.m. 

 (Saturdays, 9 to 12). Over 950 periodicals and serial publica- 

 tions devoted to botany and closely related subjects are regularly 

 1 1 lie ni'liid. (In 11 111 Ktions i scientific societies 

 from all quarters of the -lobe, the bulletins, monographs, reports 

 and other publications of various departments of the United States 

 Government, as well as those of foreign governments; of all state 

 agricultural experiment stations and agricultural colleges; the pub- 

 lications of research laboratories, universities, botanic gardens and 

 other scientific institutions of [lie world, as well as the files of inde- 

 pendent journals devoted to the various phases of plant life. The 

 library is especially rich in publications of foreign countries. 



Laboratory Building 



The Laboratory 1'uilding contains (besides offices of administra- 

 tion and the Library and Herbarium mentioned above) four lab- 

 oratory rooms, a culture room, three classrooms with stercopticon 

 and other equipment for instruction, a room for the installation of 



seating about 570 and equipped with motion picture machine, 

 stereopticon and lecture table supplied with water, gas, and elec- 

 tric current for lectures involving experimental work. 



Instructional Greenhouses 



