OaoER 51.— LYTHBAOE^ 349 



CaJyi often purplish. Petals violet, olsovate ; stamena included. Capsule burst- 

 ing lengthwise before the saeda are ripe. Aug. (Lythrum petiolatum L. ) 



3. LYTHRUM, L. Loosestrife. (Gr. Xvdpov, black blood ; refer- 

 ring to the color of the flower.) Calyx cylindrical, striate, limb 4 to 6- 

 toothed, with as many intermediate, minute processes ; petals 4 to 6, 

 equal ; stamens as many or twice as many as the petals, inserted in the 

 calyx ; style filiform ; capsule 2-celled, many-seeded. — Mostly If , with 

 entire Ivs. 



6 SUmens as maDy as the petals. Fls. axillary, solitary Nos. 1 — 8 



§ Staineus twic<j a» many as the petals. ^ Fls. spicate or racemed Noa. 4, 5 . 



1 L. bysBopifoIia L. Gkass-poly. Glabrous, erect, branching ; Ivs. alternate 

 or opposite, linear or oilong-lanceolaie, obtuse; fls. sohtary, axillary, eubsessile; 

 pet. and atam. 5 or 6. — A slender, weed-like plant, found dn low grounds, dry 

 beds of ponds, &c., Mass. and N. Y., near the coast, rare. Plant 6 to 10' high, 

 with spreading, square branches. Lvs. sessile, acute at base, pale green, each 

 with a single small flower, sessile in its axil. Petals pale purple. Calyx ob- 

 scurely striate, with short lobes. JL 



2 Ii. aldtum Ph. Glabrous, erect, branched; st. winged below; lvs. lance-ovate, 

 acute, sessile, broadest at base, alternate and opposite ; fls. axillary, solitary. — 

 Damp grounds S. and W. States, common. St. 1 to 2f high, striate, the wings 

 narrow. Lvs. 1 to 2' long, J as wide. Calyx tube 12-striate, 12-toothed, alter- 

 nate teeth cornute. Corolla purple, wavy, 6-petaled. Stam. 6, included. Jn., Jl. 



3 Ii. lineire L. St slender, somewhat 4-angled, branched above; lvs. linear, 

 mostly opposite and oitiMe; fls. nearly sessile; petals and stamens 6. — Swamps 

 near the coast, N. J. to Pla. St. 2 to 4f high, the angles sometimes slightly 

 winged. Lvs. 1 to 2' by 2 to 4", rather fleshy. Fls. small, nearly white. 



4 Ii. Salic^ria L. More or less pubescent ; lvs, lanceolate, cordate at base ; fls. 

 nearly sessile, in a long, somewhat verticellate, interrupted spike ; petals 6 or 7 ; 

 stam. twice as many as pet. — An ornamental plant, native in wet meadows, Can. 

 and N. Eng., rare. St. 2 to 5f high, branching. Lvs. 3 to 6' long, J aa wide, 

 gradually acuminate, entire, on a short petiole, opposite or in vertioels of 3, upper 

 ones reduced to sessile bracts. Fls. large, numerous and showy ; petals purple. 

 Jl., Aug. f 



5 L. virgdtum L. St. erect, branched, virgate ; hs. lanceolate, acute each end, 

 floral ones small ; fls. about 3 in each axil of the virgate raceme; stam. 12. — A 

 fine species for the garden, native of Austria. St. 3 to 4f high. Pis. purple. 

 Jn. — Sept. f 



4. RES.£^A., Juss. Calyx short, broadly campanulate, with 5 erect 

 teeth, and 5 elongated, spreading, hornlike processes ; stamens 10, alter- 

 nate ones very long; style filiform; capsule globous, included, many- 

 seeded. — y Lvs. opposite or verticillate, entire. Fls. axillary, purple. 



N. verticill^ta Kunth. Swamps, throughout the U. S. and Can. St. woody at 

 base, ofl;en prostrate, and rooting at the summit, 3 to 8f in length, or erect, and 

 2 to 3f high, 4 to 6-angled. Lvs. opposite, or in whorls of 3, lanceolate, on short 

 petioles, acute at base, 3 to 5' long, gradually acuminate and acute at apex. Fls. 

 in axillary, subsessila umbels of 3 or more, apparently whorled, constituting a 

 long, leafy, terminal and showy panicle. Petals 6 or 6, large, and of a fine purple. 

 Jl, Aug. (Deoodon verticillatum EIL) 



a. paBKSCBNS. St. and lvs. beneath pubescent — R. Island (rare) to La. 



p. LMViaA.TVit. Glabrous and bright green. — More common. N. Eng. to IlL 



5. AMfflAN'NIA, L. (To «/bAn ./Imman, of Siberia, professor of bot- 

 any at St. Petersburg.) Calyx campanulate, 4 to 5-toothed or lobed, 

 generally with as many horn-like processes, alternating with the lobes; 

 petals 4 or 5 ; Btameos as many, rarely twice as many as the calyx lobes ; 



