LILIACE^S. 157 



3. LISTERA. Sepals broader than the petals. Lip. narrow, 2-lobed 



at the apex. Anther sessile. Leaves 2, opposite. 



4. NEOTTIA. Sepals broadly ovate. Lip somewhat hollowed at 



the base, 2-lobed at the apex. Anther sessile. Leaves none. 

 Root of numerous fleshy fibres. 



5. ORCHIS. Perianth with nearly equal segments, converging. 



Lip turned down, 3-lobed, spurred. Glands of the. pollen 

 masses in a little bag. Pollen in waxy masses. Flower* 

 purple. 



6. GYMNADENIA. Only differs from the former by the glands of 



the pollen masses being naked. Spur very long. Floivers 

 purple. 



7. HABENARIA. Perianth converging. Lip 3-lobed or entire, 



spurred. Anther cells either distant and parallel, or 

 diverging at the base. Flowers yellow or greenish. 



ORD. 77. JRIDACE^E. 



1. IRIS. Perianth 6-cleft, the 3 alternate segments reflexed. 

 stigma petaloid, covering the three stamens. 



OKD. 78. AMARYLLIDACE^. 



1. NARCISSUS. Flowers from a terminal spatha. Perianth with 



a campanulate crown, or nectary, and 6 spreading segments. 



2. GALANTHUS. Flowers from a terminal spatha. Outer seg- 



ments of the perianth longer than the inner, spreading; the 

 3 inner emarginate. 



ORD. 79. TRILLIACE.E. 



1. PARIS. Sep. 4. Pet. 4. St. mostly 4. Berry 3 5-celled. 



ORD. 80. LILIACE.E. 



1. Ruscus. Flowers dioecious. Perianth 6-partite, spreading. 



Filaments combined in a tube, with 3 anthers on the top, 

 sometimes 6. Fertile fl. Style 1, surrounded by sterile 

 filaments. Flowers on the centre of the leaves. 



2. CONVALLARIA. Flowers on a scape, campanulate, drooping. 



St. 6. Stigma 1. Fruit a berry. 



3. POLYGONATUM. Perianth tubular, 6-cleft at the apex. St. 6, 



inserted in the perianth. Stigma 1. Fruit a berry. 



4. AGRAPHIS. Perianth tubular campanulate, segments reflexed 



at the apex, combined below. St. 6. Filaments decurrent 

 on the segments of the perianth. 



5. ALLIUM. Flowers in umbels, enclosed in a membranous 



spatha. Perianth with 6 distinct segments. St. 6, inserted 

 at the base of the perianth. Capsule triangular. 



