322 



Eue Warming. 



? flowers are also mentioned by Lind man, they belong 

 to form a. 



I have found the same forms, not only the different £ 

 flowers, but also the ?. As regards the former, reference 

 should be made to Landman's figures; I shall only remark 

 that according to specimens which I have seen cultivated 



Fig. 39. Melandrium apetalum. 

 A, A 1 , a 1 : £ with short petals (f. brevipetala) ; Dovre, 14. 7. 1887 (calyx 

 18 mm long, petals 13 mm; cal.-st. 8 — 9 mm. The stigmas are covered 

 with pollen). B, b\ b 2 , b 3 : $ from Altenfjord (about 70° N. lat.), 18. 7. 

 1885. The petals and the styles are just at the throat of the calyx 

 (b 1 ); b s : anther with crystals of calcium-oxalate. C, D: Flowers from 

 a cultivated plant (seeds from Petrograd); the petals are protruding; 

 in D the calyx is greatly swollen. E, Seed (Dovre). F, Dorsal view 

 of petal. (E. W.) 



(seeds from Petrograd), there occurs a form with much more 

 inflated calyx, becoming almost globular, even during the 



