Lieutenant Olufseu's second Pamir-Expedition. 



Plants collected in Asia-Media and Pei^sia. 



By 

 Ove Paulsen. 



Additions and corrections. 

 1. Rumex. 



By Ove Paulsen. 



My specimens of this genus have been in St. Petersburg since 1902 

 but have nov^' been returned to me, provisionally identified by Mr. W. J. 

 Lip sky. I do not agree always w^ith his determinations. 



1. R.crispus L. (After Lipsky: R. orientalis). 



Pamir, prov. Wakhan, in cultivated land at Langarkisht. 

 The valves are typical, one of them bears a tubercle. The leaves are 

 not much crispate. 



2. R. orientalis Bernh. Bois. fl. or. IV p. 1009, Hook. fl. brit. Ind. 

 V p. 58. 



Of this species 1 have had only specimens, cultivated some years 

 ago in the botanical garden at Copenhagen. The seeds were collected 

 in October 1898 in Pamir, prov. Goran, at Kuh-i-lal, in an altitude of 

 2600 M. Seeds were collected from two plants, one (N. 1523) very 

 dense-panicled growing on moist ground, another (N. 1524) with a lax 

 panicle, growing on more dry ground. Both plants were about 2 m. high. 

 The seeds were almost equal, the valves of 1524 larger and without 

 tubercles, those of 1523 smaller and one of them bearing a tubercle. 



In the cultivated plants the same differences were to be found, only 

 the plants after 1523 in the second year lost the tubercles. 1524 has 

 cordate leaves broader than those of 1523 and is, except for the very 

 lax panicle, and cordate leaves, rather like R. domesticus Hartm., while 

 1523 resembles R. crispus L. more. The same characters as in 1524 

 (lax panicle, broad, cordate leaves, broad valves without tubercles) has 

 N. 339, collected by me in cultivated land at Osh in the province of 

 Ferghana. This is after Mr. Lipsky: R. obtusifolius. I identify the plants 

 as R. orientalis because of the cordate leaves of the one form and of 

 the presence of tubercle of the other. Also Mr. Lipsky (in litt.) is 



Botanisk Tidsskrift. 29. Bind. 11 



