330 Ere Warming. 



transparent, thin and without the least indication of pollen. 

 The styles protrude 8- — 10 mm and are on the whole 15 — 

 16 mm long. 



Lange indicates the female plant as f. micropetala. 



Gynomonoecism: A few 2 together with §. 



Norway, Sweden: Gynodioecism. I found 2 in Øster- 

 dalen and on Dovre, as also in the neighbourhood of Stock- 

 holm; it may have very rudimentary stamens, and the dia- 

 meter of the corolla may be 17 — 18 mm, consequently much 

 larger than recorded above. § protandrous. Both zygo- 

 morphic. Trioecism with £ and 2 > 3 according to Axell. 



26. Silène maritima With. 



Norway (Altenfjord). £: Rather markedly protandrous 

 with the usual development in three sets, but the cor.-st. 

 may spread out singly and almost simultaneously with the 

 cal. -st. Calyx 15 — 16 mm in length; diameter of corolla 13 — 

 15 mm, corolla-tube about 13 mm, stamens 14 mm in length, 

 protruding beyond the throat. As the styles ultimately come 

 into contact with the anthers, and the latter may still con- 

 tain pollen, self-pollination may take place. The scales at 

 the throat consist of such low protuberances as to be almost 

 wanting. At night the flow r er stood fully expanded, white 

 and fragrant. After rain there was much water in the base 

 of the flow r ers, even among the basal portions of the stamens. 



Iceland (Reykjavik; 4.8.1886, A.Feddersen). Rela- 

 tive size of parts about as those given above, but the dia- 

 meter of the corolla 18 mm. Decided protandry. Ultimately 

 the styles protrude 6 — 7 mm. Various flies and plant-lice 

 were found between the calyx and the corolla. 



27. Silène rupestris L. 

 Norway (Romsdalen, Dovre). «: Protandrous in three 

 sets, rather markedly. Calyx about 4 — 5 mm, petals 4 1 / 2 mm, 



