NOKWEUIAN EUniRASTAS 111 



XORWEGIAN EUPHKASIAS. 



Die Euphrasia-Arten Norwegens von E. Jorgensen. Bergeiis 

 Museums Aarbok 1916-17 : Naturvidenskabelig rsekke nr. e'5. 

 pp. 337, 11 maps, 14 plates, 54 figures in text. Bergen : John 

 Griegs, 1919. 



Or this paper the following is an abstract : — 



In common with the rest of the European species, the Norwegian 

 Euphrasias belong to Bentham's section Semicalcarat(je, which is 

 thus divided : 



Subsection I. Angustifolice Wettst. 



Contains only -E". salishurgensis. 

 Subsection II. Ciliatce Jorg. 



Capsulse margine longe ciliatse. 

 Series 1. MinoriJJorce. Corolla small, 7 mm. long or shorter : 

 E. latifolia, E. minima, E. scotica, E. micrautha, E. curt a, E. ne- 

 morosa, and E. ccBVidea. 



Series 2. Majoriflorce. Corolla 8 mm. long or longer : E. hrevi- 

 irila, E. tenuis, E. stricta, E. suecica, E. horealis, E. atlantica, and 

 E. liyperhorea. 



Series 3. Grandiflorce. Corolla 10 mm. long or longer : E. rost- 

 koviana. 



The following key to the species is an abbreviated form of that 

 given by the author : 



A. Glands stalked. 



I. Glands numerous. 



a. Glands short ; flowers large, corolla 8 mra. or longer, 

 often shorter ; bracts awned ; corolla-tube during 



flowering at least 1 mm. long E. hrevipila 



(early summer form E. teiinis). 

 h. Glands long, relatively small-headed ; bracts not 

 clearly awned ; corolla-tube during flowering about 



1-5 mm. long E. rosthoviana 



(early summer form E. montana). 



II. Glands very few, short. 



a. Large-flowered, similar to E. latifolia in northern 



Norway E. hyperhovea. 



b. Small-flowered E. latifolia. 



B. Stalked glands absent except sometimes on corolla. 



I. Flowers large, corolla 8 mm. or longer. 



a. Late summer forms. 



1. Fruiting calyx not (or little) enlarged with long 



narrow teeth E. strida, subsp. eustricta. 



2, Fruiting calyx eometimes much enlarged with large 



broad teeth E. horealis, subsp. suhbrevipila. 



b. Early summer forms. 



1. Corresponding to E. stricta, subsp. a, E. snecica. 



2. Corresponding to E. horealis, subsp. a, E. atlantica. 



3. Similar to E. latifolia. Leaves and bracts with a 



more or less wedge-shaped base. E. liyperhorea 

 in northern Norway. 



II. Small-flowered. Corolla 7 mm. long or longer. 



o. Capsule either without hairs on the edge or with only 



short hairs E. salishurgensis. 



