SECT. II 



PHANEROGAMIA 



643 



decussate leaves. Cyclamen C''), flowers bent back on long stalks ; tips of the 

 petals reflexed. JIany species and hybrids are in cultivation. C. curopaeum, the 

 Alpine Violet (Fig. 673), is a herbaceous plant found in the Alps ; the somewhat 

 fleshy leaves have long stalks, and are borne on a large perennial tuber, which 



<J71. — Pi'imulaeeae. Floral 

 diagram {Primula). 



'i72. — AnwjaUis arfcnsis (i iiat. size). 

 ji:-itiuliual section of flower, and 

 ijisiile at dehiscence (enlarged). 



Fig. 073. — Cyclamen europaeum. A, Entire plant ; B, fruit. 

 (After Reichenbach.) Poisoxors. 



originates from the hypocotyl of the seedling. The stalks of the fruits become 

 spirally rolled. 



PoisoNOVS. — The tubers of C'^/dft/rtoi europaeum, though harmless when cooked, 

 are poisonous in the fresh state. AnagalHs is slightly poisonous. Primula ohconica 

 (and P. sinensis) secrete in their glandular hairs certain substances which fre- 

 quently give rise to rashes and to inflammation of the eyes of those handling the 

 plants. 



Family 2. Plvunbaginaceae. — Herbs with a dry, membranous, but often brightly 

 coloured calyx. Style branched. The ovary contains a single ovule. Species of 



