VASCULAR PLANTS. 127 



2£. flowers developing from spathes; leaves 

 distichous,, sheathing; stems winged. 



2. Iris, L. 



Perigonium tubular at the base; segments 

 equal, but differing in shape; the 3 external re- 

 flexed; 3 internal everted. Stigma 3-parted, 

 petaloid. 



U • flowers from spathes. 



ORDER XXXIV. CORONARLE. 



Perigonium 6-parted in different degrees. 

 Stamens 3 or a multiple. Ovary superior. 



Family XCV. Smilaceae. 



Anthers not extrorse. Ovary 3-locular, with 

 central placentae. Fruit a berry. Testa of the 

 seed not crustaceous. 



i. Smilacina, Desf. 



Divisions of the perigonium equal. Stamens 

 inserted at the base of the segments. Loculi 

 of the ovary 2-ovulate. Loculi of the fruit 

 1-seeded. 



U • leaves sessile and amplexicaul. 



2. Maianthemum, Mcench. 



Perigonium 4-parted. Stamens 4. 

 2f . leaves petiolate. 



