1133 



" Size of Specimens. — The Society's paper for duplicates is seven- 

 teen inches in length. Specimens should be two inches shorter than 

 the paper, in order to lessen the risk of breakage, consequent on 

 repeatedly turning over the duplicates while selecting desiderata. 



" Preservalion of Specimens. — The specimens are to be pressed in 

 porous paper, sufficient in quantity to dry them rapidly, and thus to 

 preserve their colour ; and to be placed under a pressure sufficiently 

 heavy to keep their leaves from becoming wrinkled, and consequently 

 too brittle when dry. 



" Labels. — All British specimens are to be sent ready labelled by 

 their contributors. The labels are to be attached to the specimens, 

 either b}^ a slit at their base or otherwise, as convenient ; care being 

 taken that the name and number of the plant are never concealed or 

 obscured by any part of the specimen lying across them. The labels 

 are expected to show the following particulars: — ]. The No. of the 

 species, or No. and Letter of the variety, according to the ' London 

 Catalogue,' placed at the upper left-hand corner of the label. — 2. The 

 name of the Species or Variely, from the same Catalogue, always with 

 the addition of the authority after the name. — 3. The name of the 

 County in which the specimen was gathered ; together with any more 

 exact description of the locality which the contributor may think 

 desirable. — 4. The name of the Contrihutor, placed at the bottom of 

 the label ; that of (he Collector also being added, if not the contribu- 

 tor himself. — 5. The words ' Botanical Society of London ' are not to 

 be used on the labels of contributors unless by express authority from 

 the distributors in London. 



" N.B. In the ' London Catalogue ' the names of authorities are 

 occasionally too much abbreviated, from want of space in the line. 



^^ Attention to Regulations. — Exact attention to the preceding 

 regulations is earnestly entreated. Where specimens have to be exa- 

 mined, sorted, arranged, and re- distributed in many thousands annu- 

 ally, uniformity and exactness become matters of the utmost impor- 

 tance. It is impossible for distant members to know how greatly any 

 deviations (such as may be fancied very trifling deviations from rule) 

 will impede the routine of management in London, and thus very 

 inconveniently increase the heavy duties of the distributors." 



VOL. IV. 7 F 



