94 



246. Orchis latifolius L.; O. majalis Rchb. 



Rather rare, occurs most frequently mixed with the below-mentioned 

 species in damp fieids. 



Str.: Thorshavn and Kirlvebo (R.); Syd.: Kvalbo (R., !), Hove (R.); 

 Ost.: Næs and Ejde (R.). 



Rostrup (l.c. p. 59) reports it as having bcen gathcred ])y LjMigbj^e on Mygge- 

 næs, but Lj'ngbj'e's speciniens belong to the below-mentioned species. 

 Fl. July. 



247. O. maculatus L. 



Gommen and often in considerable quantities in damp enclosed 

 fields and in the low ground beyond the enclosures; apjjears to be 

 most frequent on Sando and Sydero. Somctimes distributed some way 

 up the bilis, e. g. Bord o: Klakken (flower Aug. 7th.) at some 400 m. 

 Fl. beginning of July. Fr. end of August. 



248. O. masculus L. 



On Syd. on a damp rock-ledge abovc Tværaa (Hj. Jensen); men- 

 tioned by Trevelyan. 



In flower April 24lh. 1890. 



We have further some doulitful records from tvandt, Ljngljye and Martins of 

 O. morio, sambucinus and nstiilatiis. The latter is mentioned by Landt as occur- 

 ring at Næs oh Ost., but be evidentl}' confounds it with the fruit-bearing speci- 

 niens of Habenaria albida. 



Order L. POTAMOGETONACEAE. 



249. Potamogeton alpinus Balb.; P. riifescens Schrad. 



Ost.: in the large lake near Ejde (!); large well-developed specimens 

 belonging to f. lomjifolia Tiselius (Potam. Suec. exsicc. N. 15). 



As already mentioned (Ostenf. II, p. 12) the previous statement of this species 

 (by Kurtz) is wrong. 



Inflorescences, but no fruit at the end of August. 



250. P. filiformis Pers.; P. marimis Auctt. 



Only on Syd.: Lamba-ejde near Kvalvig (!), Kvalbo-Ejde and Norbes- 

 Ejde (Simmons,!), stream near Kvalbo (R., !), in the lake in Vaags Ejde (R.,!). 

 Fl. June— July. 



251. P. gramineus L. 



Sando: Sandsvatn (R.!), Saltvigsvatn (!); Syd.: in the lake in Kvalbo- 

 ejde (!), in the lake in Vatnsdal (!); Ost: Toftevatn U). 



Found in flower only in Vatnsdal in July; and with fruit only 

 in Saltvigsvatn at the end of August. 



252. P. gramineus L. X perfoliatus L.; P. nitens Web. 

 Sando: in Saltvigsvatn and its tributary river in great abundance 



mixed with primitive typical species (!), a lake between Sands and Skopen(!). 

 Found with spikes, but ovaries barren. 



