JUNCE.E. 373 



iike joints ; panicle terminal, compound ; heads 3 6-flowered, pedun- 

 culate and sessile ; leafets of the perianth linear-lanceolate, mucronate, 

 shorter than the acute capsule. /. sylvaticus Muhl. 



HAB. Bogs. N. Eng. to Car. July. '2j..8tem 1218 inches 

 . high. Leaves few, shorter than the stem. 



13.- J. pdlycephalus Mich. : stem leafy, erect ; leaves compressed, 

 with knot-like joints ; panicle decompound ; heads globose, many- 

 ilowered ; flowers triandrous ; leafets of the perianth somewhat awn- 

 ed, rather shorter than the triquetrous acute capsule. J. echinatus 

 Muhl 



HAB. Boggy meadows. Penn. to Geor. July, Aug. 2J.. Stem 

 2 3 feet high, compressed near the base. Panicle compound. 



14. J. subverticillatus Willd. : stem leaves subulate, with knot-like 

 joints; panicle corymbose ; heads about 5-flowered, fascicuTate-verti- 

 cillate ; leafets of the perianth striate, as long as the obtuse capsule. 

 J. fluitans Mich. J. verticillatus Pursh. 



HAB. Ponds, &c. Can. and N. S. Pursh. July, Aug. If.- 

 Stem 18 inches high, compressed. Panicle subverticillate. 



2. LUZULA. De Cand. 



Perianth 6-parte'd, glumaceous, Stamens 6. Capsule 3- 

 celled, 3-valved ; valves without partitions ; 1 seed in each 

 cell, fixed to the bottom. Leaves plane, generally hairy. 



Hexandria. Monogynia. 



1. L.pilosa Willd. : leaves hairy ; panicle subcymose ; peduncles 1- 

 flowered, reflexed ; leafets of the perianth acuminate, shorter than the 

 obtuse capsule. Juncus pilosus Linn. 



HAB. Woods. N. S. April, May. 21 Stem 612 inches 

 high. Radical leaves numerous, very hairy. Panicle 8 10- 

 flowered. 



2. L. campestris De Cand. : leaves hairy ; spikes sessile and pedun- 

 cled ; leafets of the perianth acuminate, awned, longer than the ob- 

 tuse capsule. Juncus campestris Linn. 



HAB. Meadows. Can. to Car. April, May. 2J..Stem 612 

 inches high, cespitose at base. Panicle terminal, somewhat 

 umbelled. 



3. L. melanocarpa Desv. : culm leafy ; leaves sublanceolate, smooth; 

 panicles capillary, loose ; flowers distinctly pedicellate ; capsule black. 

 Juncus melano carpus Mich. 



HAB. White Hills, N. H. July. Big. Can. Mich. 



4. L. spicata De Cand. : leaves narrow, hairy at the throat ; spike 

 cernuous, compound ; leafets of the perianth acuminate, awned, about 

 the length of the roundish eapsule.-r-Jzmctts spicatus Wittd. 



HAB. White Hills, N. H. Big. Aug. If. Sttm a span high, 

 slender, with an oblong nodding head. " '* 



32 



