8 Department Cireular 76, U. S. Dept. of Agriculture. 



number full data should be entered in the collector's notebook, sample 

 entries being as follows : 



789 Yibnrnum nmlum L. Gretit Falls. Va. May 9, 1918. Edge of 



Potomac River. Shrub 2.5 meters high ; fls. white. 

 888 Dioscorea villosa L. Cabin John, Md. May 19, 1918. Twining 



over bushes in woods. Fls. pale greenish yellow. 

 990 Physnlis . . . Great Falls, Va. July 7, 1918. In sand near 

 river. Corolla yellow with maroon eye, about 12 mm. wide. 



Labels containing full data should always accompany specimens 

 when they are sold or sent in exchange. Specimens collected from 

 cultivated plants should always be so designated and should bear 

 statements as to the native country or the business house from which 

 they were obtained, with information as to their economic uses. 



Labels should be of good quality of white paper, 4 by IJ inches, 

 and should be as simple as possible. The method of writing data 

 used in herbaria is shown in figure 3. 



PLANTS OF MARYLAND 







JLu- CO DcrdjiAjuim C?^ou^c.t^vn U. 









ifiacj^t^ tivcc^OiuM,. 





VicxyrvuhjL <yi. 



0^^Ky\^\M/X^^yy^ 







rio 123 



Cl b. acuJz co^. 



Sn^ut. L) 



w^. 



Fig. 3. — Sample of label form used in the United States National Herbarium. 



PACKING AND SHIPPING SPECIMENS. 



Pressed specimens should be shipped in the original sheets in 

 which they were collected, and these should be securely tied in 

 bundles of about 50 between pieces of heavy cardboard or binder's 

 board of the same size. Care should be taken to alternate thin and 

 thick specimens in such a Avay that a flat package is obtained. Such 

 bundles can be sent through the mails singly Avithout damage, or if 

 too numerous they can be packed in boxes. In the latter case care 

 should be taken to pack tightl}^ and fill all vacant spaces with 

 crumpled paper in order to hold the bundles firmly in place. 



ADDITIONAL COPIES 



OF THIS PUBLICATION MAY BE PROCURKD FROM 



THE SUPERINTENDENT OF DOCUMENTS 



GOVERNMENT PRINTING OFFICE 



■WASHINGTON, D. C. 



AT 



5 CENTS PER COPY 



V 



