XIX. JUNCAGINE^]. 



803 



Triglochin la.viflorwn. 

 Transverse section of fruit. 



Triglochin laxiflorum. 

 Pistil (mag.). 



Tetroncium. 

 Young fruit. 



Trijlochin lax\florum. 

 Antherifcrous scale. 



Triglochin laxiflorum. Triglochin. Triglochin. 

 Fruit (mag.). Seed. Embryo. 



Tetroncium magellanicum. 

 Flower. 



Tetroncium. 

 Embryo cut transversely. 



Tetroncium. 



Seed cut vertically 



(mag.). 



Lilcea. 

 Portion of inflorescence. 



Lil<ea. 

 9 flower (mag.). 



Lileea. 

 Basilar fruit. 



Scheuchzeria. 

 Embryo (mag.). 



Lilcea. 

 Transverse section of fruit (mag.). 



FRUIT a capsule or follicular, or indehiscent. SEEDS erect, exalbuminous ; EMBRYO 

 straight. STEM or SCAPE herbaceous. LEAVES all radical, or cauline alternate. 



Marsh HEEBS. LEAVES sheathing at the base, semi-cylindric or linear-ensiform, 

 sometimes scented. FLOWERS ^ (Triglochin, Scheuchzeria), or dioecious (Tetroncium), 

 sometimes (Lilcea). STAMENS 5, inserted at the base of the perianth-leaflets 

 (Tetroncium, Triglochin), or hypogynous (Scheuchzeria), rarely 1 only (Lilcea) ; fila- 

 ments very short; anthers 2-celled, extrorse, dehiscence longitudinal. CARPELS 3, 

 distinct, 1-celled (Scheuchzeria), or 6 united into a 6-celled ovary, of which 3 cells 

 are often imperfect (Triglochin), rarely solitary or spiked (Lilcea); styles as many as 



