JUNCE^E. 371 



series ; anthers 2-celled. Ovary 1 3 celled, 1- or many- 

 seeded, or 1-celled and 3-seeded ; style 1 ; stigmas mostly 3, 

 sometimes only 1. Fruit capsular, 3-valved, loculicide, 

 sometimes indehiscent. Seeds with an integument neither 

 black nor crustaceous ; albumen firm, fleshy or cartilaginous ; 

 embryo within it. 



Herbs with fascicled or fibrous roots. Leaves fiatular, or 

 flat and channelled, with parallel veins. 



1. JUNCUS. Linn. 



Perianth 6-parted, glumaceous. Stamens 6. Capsule 3- 

 celled, 3-valved; valves bearing the partitions down the mid- 

 dle, to which the numerous seeds are fixed. 



Hezandria. Monogynia. 



* Leaves none. 



1. J. acutus Linn. : scape naked, terete ; involucre 2-leaved, erect, 

 spinous ; capsule nearly round, mucronate, as long again as the peri- 

 anth. 



HAB. Sandy sea coast. N. J. to Car. July. Z. Scape 2 or 3 

 feet high. Panicles 23 inches long, appearing as if lateral, 

 though really terminal. 



2. J. effasus Linn. : scape not rigid, finely striated ; panicle loose, 

 very much branched, spreading ; capsule obovate, obtuse, shorter than 

 the lanceolate acute leaves of the perianth. 



HAB. Wet grounds. Can, to Car. June, July. Z. Scape 

 23 feet high, erect. Stamens 3. 



3. J. sctaccus Rostk. : scape filiform, striate } umbel lateral, com- 

 pound, few-flowered ; peduncles many-flowered ; leafets of the peri- 



' anth subulate. J. filiformis Mich. 



HAB. Swamps. Can. to Car. July. 11. Scape 23 feet high, 

 very slender. Panicle small, some distance below the summit 

 of the scape. 



* Leaves all radical. ( Flowers terminal. ) 



4. J. sqarrosus Linn. : leaves setaceous, rigid, grooved ; panicle ter- 

 minal, elongated, compound ; capsule elliptical-ovate. 



HAB. N. Y. Muhl. It- Whole plant very rigid, 612 inches 

 high. 



5. J. nodosus Linn. : stem somewhat leafy ; leaves nodose-articu- 

 late ; heads mostly 2, globose, one of them lateral and pedunculate, 

 the other sessile > leafets of the peiianth mucronate, shorter than the 

 3-sided acuminate capsule. 



HAB. Swamps. Can. to Car. July, Aug. If. Stem 812 

 inches high, filiform. Leaves few and very slender. 



