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A TEXTBOOK OF THEORETICAL BOTANY 





Fig. 1766. — Distribution of Erica in Europe. 



I. Rhododendroideae 



Capsules splitting septicidally, seeds often winged, with a loose, ribbed 

 coat. Stamens with upright, long, adnate anthers without appendages. 

 Corolla falling after flowering and slipping forward over the other floral 

 parts, ensuring self-pollination if necessary. Ledum, Rhododendroti (Fig. 

 1767), Loiseleiiria, Kalmia (Fig. 1768), Phyllodoce and Daboecia. 



Fig. 1767. — Rhododendron ponticiim. Umbellate 

 inflorescence. 



