Q^if 



UCOSANDRIA MONOGYNIA. 



1. VERTlCrLLATOM. 



Ljthrum verticillatum, Sp. pi. 2. p. 66. 



Nuttali Gf n. 1. p. 208. 

 Anonymos aquatic, Walt, p 137". 



1. p. 334 



Mich. Up* 281. Vm^ 



^oot perennial. Stem herbaceous or suffVuficose, 3 — 4 feet bigh;> 

 recurved, soraetimes taking root at the extremities, pubescent. Leavei 

 opposite and alternate, sometimes bj threes, lanceolate, acute, entire, 

 a little hairy on the upper surface, soft and tomentose underueath. 

 Petioles short, flowers in short, biternate ? axillary panicles, so Hear- 

 ty sessile that they resemble a verticill. Calya: 10 toothed, the fivt 

 long subulate teeth project before the flower expands, then bend ia; 

 th^- five broad short teeth that cover the flower during its infancy Qt^ 

 pand with it. Petals clawed, somewhat lanceolate, three times as 

 long as the subulate teeth, at the base of which they are inserted intt 

 the calyx. Filaments^ 5 inserted at the base of the short segments 

 of the calyx, twice as long as the corolla j 5 below the base of the 

 petals, incurved, scarcely longer than the calvx- Jlnthers nearlj 



incurved, scarcely longer than the calyx- 



Germ superior, ovate. Style nearlj as 

 Stigma obtuse. Capsule ovate, some- 

 what 3 angled, smooth. Seeds many, angled, ovate, attached to acen- 

 tral receptacle. 



round, twin, incumbent 



long as the long filaments. 



Flowers August 



spongy soi! 



September- 



This plant differs so much in its appearance from every species of 

 Lythrum which 1 have seen, and possesses so many peculiar4ue» in 

 the structure of its flowers and capsule, that, with Walter, I think it 



will be correct to senarafp, it fmm flinf o-on«c 



LYTHRUM. Gen. pl. S25. 



Calyx tiibulo 

 deutatus. 



P 



«2- 



qii 



cjjflyci inserta. 



Capsula siipera, 2-locu- 



laris, polysperma 



rst 



mina 3, 6, 8, 10, !2.) 

 1. Lanceolatum. 



L. caule virgatitn pan 

 iculato ; foliis lanceolatis, 

 inferioribus oppositis, su- 

 perioribus subalternis ; 

 floiibus solitariis, axilla- 

 ribus, hex-inchis. E. 



E 



J*, virgatum 



Cahj 



tubular, 6— i2 



toothed. Petals ^,tq\^^^ 

 inserted on the 

 Capsule superior, 2-cell 



i 



mens 



many seeded 



:, 10, 1 



(St 



3 



Stem terminating in vi»'- 

 gate panicles ; leaves lan- 

 ceolate, the lower ones 



pposite 



upper 



erally alternate ; flowers 



solitary, axillary, heKan- 



druus. 



Pursh, l.p. 534» 



