24 



FOUNDATIONS OF BOTANY 



Fig. 4. — Inflorescence, Flower, and Seed, of a Sedge. 

 (Great Bulrusli, Scirjms laeustris.) 



A, magnified flower, surrounded "by a periantli of hypogynous bristles ; B, the 

 seed ; C, section of the seed, showing the small embryo enclosed in the* base 

 of the endosperm. 



I. ARIS.S;MA, Martius. 



Perennial herbs, springing from a corm or a tuberous 

 rootstock. 



Spathe rolled up at base. Summit of spadix naked, the 

 lower part flower-bearing; staminate flowers above, pistil- 

 late ones below. Stigma flat ; ovary 1-celled ; berry 1-f ew- 

 seeded. 



