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widely spread, although very rare in the west part of the 

 north German lowlands. Veronica verna has in our country 

 only been found in one single place, sothat it is difficult 

 to say, whether we hâve got to do hère with a river-plant 

 or not. In Belgium it is rare and occurs in the east part 

 only. In Germany it is on the whole not rare, but it is 

 not found in north-west Germany, which is worth noting 

 with regard to the distribution of the former species. Àt 

 any rate it is a remarkable fact, that the only statement 

 in our country, which is thought reliable, refers to Loos- 

 duinen, consequently to a sandy soil in the neighbourhood 

 of the big rivers and as near- as possible to England. 

 The présence of Veronica spicata, a plant of sunny hills 

 and dry deciduous forests, in our country is doubted in 

 our Prodromus. Nevertheless it is typical, that two of the 

 three localities, which hâve been mentioned, are situated 

 near the place, where the Rhine enters into our country. 

 In Belgium this species is totaily missing, in Germany it 

 is not found in the north-west German lowlands. I con- 

 sider it to be of positive interest to our problem. This is 

 not so much the case v.'ith Carex ericetorum, because of 

 the great rareness of this species. In our country it has 

 been recorded from Asselt on the Veluwe, but concerning 

 this locality too there is some doubt. After C r é p i n in 

 Belgium also only one station is known, situated in the 

 Ardennes, immediately south of our province of Limburg. 

 As to Germany, Garcke mentions Trier and Bonn in 

 the Rhine-province and further certain places in Alsatia, 

 Baden, Wurtemberg and Bavaria. I hâve the impression, 

 that we hâve got to do hère with a mountain-species, 

 which in our country is a relie from very old times, 

 probably from the Dn;a5-period, if not from the ice-age. 

 As to the Ornithogalum umbellatum at last, we hâve got 

 to do hère again with a widely spread species, which is 

 common in Germany, in Belgium, hère, it is true, chiefly 



