HEXANDRIA TRIGYNIA. 351 



of the perianth very acuminate, much longer than the elliptical ovate 

 capsule 



HAB. Wet places. June Aug. (v) ; stem 3 6 in. hign ; sheaths 

 membran. 



1 1 Leaven rounded or subcompressed. 



V acuminatus : stem leafy, erect ; leaves terete, nodose-articulate ; 

 panicle terminal, compound ; heads 3 6-flowered, pedunculate, and 

 sessile ; leaflets of the perianth linear-lanceolate, subaristate, snorter 

 than the acute capsule. 



HAB. Bogs. August, 1]. ; stem 18 inches high, tenac. ; caps, 

 triquet. 



J. polycephalus : stem leafy, erect; leaves compressed, nodose-articu- 

 late ; panicle decompound ; head globose, many-flowered ; flowers 

 triandrous ; leaflets of the perianth subaristate, rather shorter than 

 the triquetrous acute capsule. 



HAB. Bogs. August Sept. TJ.; stem 18 inches % feet high, sub- 

 compress, below ; heaas 12 15^. ; stam. 3, (rarely 6.) 



174. LUZULA. 



L. puosa : leaves hairy ; panicle subcymose ; peduncles 1-flowered, 

 icflexed; leaflets of the perianth acuminate, rather shorter than the 

 obtuse capsule. 



HAB. Mountains. April May, If- ; stem 6 in. high, slender; pe- 

 dicel capill. 



L. campestris : leaves hairy ; spikes sessile and pedunculate ; leaflets 

 of the perianth acuminate, longer than the obtuse capsule. 



HAB. Low grounds and woods. Apr. May, A foot high; spik. 

 roundish. 



TRIGYNIA. 

 175. VERATRUM. Green and White Hellebore. 



V. tiride : racemes paniculate ; bracts of the branches oblong lance- 

 olate ; partial ones longer than the subpubescent peduncles ; leaves 

 broad-ovate, plicate. 



HAB. Swamps. June July. Root large; stem 3 4 feet high; 

 Jlowers green. 



176. HELONIAS. 



EL dioica : scaj)e leafy ; racemes dioicous, spiked, cernuous ; pedicels 

 very short, without bracts ; petals linear ; stamens exserted ; leaves 

 lanceolate. 



HAB. Wet meadows. June. Root prcemorse, stem 1- -2 feet high 

 Jlowers white. 



3 1 



