88 



202. Catabrosa aquatica (!..) Beauv. 



Syd.: Kvalbo, in sca-.sand at the mouth of a small watercourse at 

 the head of the bay. (!). 

 Fl. end of July. 



t Dactylis glomerata L. 



Occurs only where it has spread afler jjeing cultivated , viz. Str. : 

 Thorshavn (!), Kirkebo, cultivated (!). 



203. Digraphis arundinacea (L.) Trin. 

 Rather common by strcams in cnclosed lands. 



Flowers late and si)aringly (July— August) and hardly bcars fruit. 



204. Elymus arenarius L. 



Rather rare on sandy sea-shores. 



Nolso: near the village (R., !); Sando: the downs at Sands fR.,!); 

 Syd.: Kvalbo (R., !); Vaago: Sorvaag (R.), Midvaag (C. J., !). 

 Fr. end of August. 



205. Festuca ovina L. 



Very commonly distributed from the lowlands to the highest hills. 

 Occurs only in the viviparous form. 



f F. pratensis Huds. 



Accidentally introduced at Thorshavn (!) and cultivated at Kirkebo (!) 

 on S t r. 



206. F. rubra L. 



Very common and in many forms; extends from the sea-shore up 

 to the highest mountain tops (e. g. Ost.: Samfetle 720 m. (C J.)); often 

 occurs in considerable quantities on roofs. 



Among the numerous forms may be nanied f. arenaria (Osb.) , e. g. 

 Sando: downs at Sands (!). 



Further a curious large form with flat leaves on the flowerless 



shoots occurs liere and there on very luxuriant rock-ledges. I have 



referred it to var. planifolia Trautv. Plantæ Sibir. bor. p. 135, Acta 



Horti Petropolitani, V, 1877 (Syn. xar. planifolia Hack., subvar. villi- 



flora Hack. Monogr. Festuca, p. 140), the specimens being very nnich 



like the description. We coUected specimens from Sy d. : near Træraa ; 



Vid.: Talus of debris at Enneberg (W.), but we noticed it at several 



other piaces. 



Fl. July. Fr. August— September. 



207. Glyceria distans (L.) Whbg. 



Common partly in clefts in sea-clifTs and partly on the sandy sea- 

 shore; varies considerably according to the circumstances under which 

 it grows. 



We met with it on all the istands. 



Fl. beginning of July. Fr. August— September. 



