14 Juncaginaceae 



•J. capillary. Fruit beaked by the short persistent style, 

 cordate-sagittate. 



1. P. Torreyi Wats. Stems slender, flat, 0.5 m. long or more, 

 bearing the Bpathes in clusters along the upper part; leaves 4-8 

 cm. Long, 1-2 mm, wide, thick and smooth ; sheaths long, their 

 margins membranous; spathes 3-5 in a cluster, 2-4 cm. long, 

 Blightly curved; appendages of the pistillate spadix elliptic, of 

 the ataminate oblong-ovate; fruit heart-shaped, 5 mm. long. 



Growing on rocks which are uncovered at low tide. San Pedro; La Jolla. 



Family 1. JUNCAGINACEAE. Arrow-grass 

 Family. 



Marsh plants with rush-like or cylindric leaves. 

 Flowers spicate, racemose or solitary, perfecl or monoe- 

 cious. Perianth none, 1-bracted or 4— 6-parted. Stamens 

 1 or 3-6. Ovaries 1 or 3—6, when more than 1 they are 

 more or less united while immature. Seeds anatropous ; 

 embryo straight. 



Flowers perfect ; perianth segments 3-6. 1. Triglochin. 



Flowers polygamous; perianth wanting. 2. Lilaka. 



1. TRIGLOCHIN L. Arrow-grass. 



Marsh plants with radical semiterete fleshy leaves, 

 which have membranous sheaths at the base. Flowers 

 small perfecl in spikes or racemes, on long smooth naked 

 Bcapes. Perianth segments 3—6, concave, the •"> inner in- 

 serted higher up than the others when present. Sta- 

 mens 3-6; anthers 2-celled extrorse sessile or nearly 

 bo, inserted at the base of the segments and deciduous 

 with them. Ovaries 6, united or rarely free, L -celled ; 

 Btyle short; stigmas as many as ovaries, plumose. 

 Fruit of 3-6 oblong or ovoid carpels, when ripe separat- 

 ing from the base upward from a persistent central axis. 

 dehiscing by a vent ra I Buture. 



