69 



99. H, quadrangulum L. 



Only at Sorvaa^ on Vaago, on grassy hill-slopcs ncar thc sca 

 (Landt, Lyngbye, H.). 



Lyngbj'e's speciniens in tlic coUectioii of the Botanical Gardens, Copenhagen 

 show that Treveh'an was wrong in stating that Lyngbye had found II. pcrfnratnm. 

 as Lyngb^es specimens are H. quadrangnlnm. 



Order XXVIII. LINACEAE. 



100. Linum catharticum L. 



Common on grassy slopes in the lowlands on not too damp ground, 

 but not higher up the hills. It seems always to occur in a biennial state. 

 Fl. July. Fr. August— September. 



Order XXIX. OENOTHERACEAE. 



101. Chamaenerium angustifolium (L.) Scop. 



Found here and there at Sundelaget: Str. : Kaibak (H. C. Møller), 

 Torsvig (R., !); Ost: Ostnæs near Næs (!), Selletræ (!), between Svinaa and 

 Lysaa(!); beyond this place only found near Vaag on Syd. (Lyngbye, !). 



Grows on sunny rock -ledges and ravines and does not seem to 

 thrive, as it seldom flowers and hardly ever bears fruit. 

 Fl. end of August. 



102. Epiiobium alsinifolium Vill.; E. origanifoliiim Lam. 



Common in moss by streams and on damp rock-ledges. It extends 

 from the sea-shore to the highest altitudes (e. g. Vid. : Villingedalsfjæld, 

 700 m.). 



This as well as the two following species flower from the end of 

 June and bear fruit in August. 



103. E. anagallidifolium Lam.; E. alpiniim L. p. p. 



Rather common on damp roclv-ledges, most frequently together with 

 the above-mentioned allied species, but it does not extend to the 

 low-lying regions so frequently as this does. It is rare on Sj^d., Sand 6 

 and So Uth- Str. 



The var. dasycarpum mentioned b}' Rostrup I. c. p. 32 is not the true dasy- 

 carpiuu Hartman, wliich according to Hausskneclit is identieal with the below- 

 mentioned hybrid. Rostrups dasycarpum is only a form of E. anagallidifolium 

 witli capsule hairy underneatii. 



E. anagallidifolium Lam. x palustre L. 



Kun 6, near the village of Kuno, we gathered a few specimens of a 

 Epiiobium, which I have rcferred to this h3^brid; it was growing in com- 

 l)any with E. anac/nllidifoliiim, and E. palustre also occurred near it. 



104. E. lactiflorum Hausskn.; E. roseiim Rostr. 1. c. p. 32, non 

 Schreb. 



