62 
Ripe capsules are developed in West Greenland, but per- 
haps this is a rare occurrence. 
The diagram of the flower is the same as that given in 
Ercacer, Blüthendiagramme, Vol. I, p. 344. 
Pirola rotundifola L. var. 2 arenaria Koch. 
Judging from herbarium material the style appears to be 
even shorter than that in var. grandiflora, and the flowers to 
be smaller than those of P. rotundifolia. 
Pirola minor L. 
Exstam, 1894, p. 429. Porrius, 1903, p. 44. 
In the structure of its shoot it is quite similar to P. rotundi- 
folia.! The leaves are still of a fresh green colour on two- 
year-old shoots. 
2 G 
Fig. 43. Pirola minor. (From West Greenland, Kingua Tassiusak). 
A, A flower; the petals have been removed (about ?/ı). B, A flower (slightly mag.). 
C, D, E, Anthers. F, Pistil. G, Ovary and stigma seen from above. (E. W.). 
I have only a few notes on the biology of the Greenland 
flowers as I did not meet with any living specimens. Fig. 43 
is drawn from spirit-material. 
The diameter of the flower is only from 7 to 8 mm. 
According to Porriws it is scentless and devoid of honey in 
Finland, and very rarely visited by insects. According to AxELL 
1 Also Pirola secunda and P. chlorantha correspond in the structure 
of their shoots with P. rotundifolia (Fig. 38 D; Fig. 39 D); P. wmbel- 
lata differs somewhat, its stems being lignified to a greater extent, and 
P. uniflora differs in an even higher degree. 
