1936 



LYSlMAllIlA 



LYSIMACHIA 



ininctate: fls. spicatp, nicomose or solitary, with a rotate 

 or o:iiii|<:iiuil:itt', .i-partod corolla with an i'(]iial luimln'r 

 of sliphtly niotiaiU'lplious stainoiis opposite Iho lohos: 

 rai»s. l-loouU'd. witli many si'Oiis on a central placenta. 

 — iHor UK) species fomul m teiniieratc ami suhlropical 

 n."gions of :U1 parts of the world. Only a few in cult., and 

 tliese all (XTennials. They dilTer from related genera in 

 the ahsi-nce of stiuninodia between the stamens, which 

 !in' usuallv sliphtlv united. Hevision, Kniith in Das 

 Pflanzenrc'ich, hft.L'J, p. ioH UiH)o). 



The loosestrifes art> of easy culture, thriving best in 

 moist situations. Propagation is by division in late 

 autumn or early spring. 



INDE.X. 



aurea. 2. Hillebrandii. 1. quadrifolia, 6. 



bar>-stMcti>-s, 10. Leschrnaiiliii, 13. strirta, 5. 



brachygtachys. 10. Xuininularia, 2. terrcstris, ,">. 



clcthroidt'8. 12. nutans. 14. tli.vrsiflora, 3. 



Ephcnieruni, 9. paridtfonnis, 4. vt-rtinlitUti, S. 



Fortunei, 11. punctata, 8. vulgaris, 7. 



REY TO THE SPECIES. 



A. Plant shrubby 1. Hillebrandii 



AA. Plant herbaceous. 



B. Color of /Is. yellow. 



c. Si. ereeping: Its. round-ovate, 



obtuse 2. Nummularia 



cc. St. erect: Ivs. ovate-lanceolate or 

 linear, mostly acute. 

 D. Fls. in dense axillary peduncu- 

 late clusters 3. thyrsiflora 



DD. Fls. in dense terminal clusters 

 surrounded by large Ivs.: 



cauline Ivs. very small 4. paridiformis 



DDD. Fls. racemose or axillary. 



E. Whole plant glabrous or 

 nearly so: fls. 3-6 lines 

 broad. 

 F. The fls. in terminal ra- 

 cemes 5. terrestris 



FT. The fls. axillary 6. quadrifolia 



EE. Whole plant densely pubes- 

 cent: fls. 9-12 lines broad. 

 F. Calyx 2 lines long, dark- 

 margined: fls. in leafy 



panicles 7. vulgaris 



FF. Calyx 31^-5 lines long, not 

 dark-margined: fls. axil- 

 lary 8. punctata 



SB. Color of fls. while: pedicels short. 



c. Lus. opposite, somewhat connate. . 9. Ephemerum 

 cc. Lvs. alternate, attenuate at base. 

 D. Blades glaucous beneath, oblong- 

 linear 10. barystachys 



DD. Blades green, lanceolate or 

 ovate-lanceolate. 

 E. Plant glabrous: lvs. oblong. .11. Fortunei 

 EE. Plant puberulent: lvs. ovate . . 12. clethroides 

 BBB. Color of fls. red, blue or purple. 



c. Calyx-lobes acuminate, slightly 

 shorter than the entire-lobed 



corolla 13. Leschenaultii 



cc. Calyx-lohes obtuse, much shorter 

 than the usually erose-lobed 

 corolla 14. nutans 



1. Hillebrandu, Hook. Shnib 1 J/^-8 ft. high, den.sely 

 branched, often red-tomentose: Iv.s. alternate, sub- 

 opposite or subverticillatt!, lanceolate, ovate or linear, 

 acuminate at each end, coriaceous, short-petioled : 

 calyx-lobes acuminate; corolla reddi.sh purple, cam- 

 panulate; lobes obovate, obtuse; stamens included. 

 ilawaiian Isls. 



2. Nummulltria, Linn. MoNEVwonT. (Iukepino 

 Chakmk. f'ltKEPiNf; .Jenny. Glabrous, forming large 

 patchfw: Ivs. opposite, rarely cordate, petiolate, J^l in. 

 long: fls. H-12 lines broafi; sepals cordate or lanceolate, 

 acute, half a.s long an the 5 oval, sparingly dark-<lottod 

 corolla-loV>es; filaments glandular. .June- Aug. Imi.; 

 aW) naturalized extensively in the E. U. S. IMI. ISOl, 

 p. 303; 189fJ, p. 21. li.B. 2:589.— Very useful for rustic 



vases and baskets, also for carpeting ground in shady 

 places. Sometimes a low weed in lawns. Var. a&rea, 

 llort. Lvs. all or in [lart bright yellow. 



3. thyrsiflora, Linn. (Nivimbiiryin guttata, Moench). 

 Glabrous: si. sini|)le, 1-;? ft. high: lvs. opposite, lan- 

 ceolate: lis. small, 2-3 liiu's long, yellow, in short 

 l)e<lunculate axillary heads; calyx-lobes narrow; corolla- 

 lobes linear, {lolled. Swamps, N. E. N. Anier. and Ku. 

 B.M. 2012.— Prefers shallow water. 



4. paridiformis, Francth. Glabrous: st. verticillately 

 branched alxive: u|)per Ivs. large, 3-5 in. long, whoiled, 

 sessile, elliptic or obovato-lanceolato, acuminate, glau- 

 cous beneath; lower very small, opposite: fls. large, 

 yellow, condensed into a dense (duster surrounded by 

 large lvs., sometimes also axillary clusters; sepals lancc- 

 subulate; corolla canipanulate; lobes lanceolate, acute; 

 stamens included. China. B.M. 722(5. 



5. terrestris, BSP. (L. sirkta, Soland.). Simple or 

 branched, glabrous, 8 in. to 2 ft. high: lvs. opposite, 

 lance-linear, acute at both ends, glaucous beneath, 

 scarcely veiny, 1-3 in. long: fls. 3-5 lines broad, very 

 numerous, iti a distinct, elongated, terminal raceme; 

 jjedicels 3-9 lines long, slender; corolla yellow, the 

 lobes elliptical, streaked with dark lines; filaments 

 glandular. Common on moist ground in the E. IT. S. 

 n.M. lOi (an L.hulbif era). B.B. 2:.5S8. Blanchan Nat. 

 Gard., p. 324. — Often bears bulblets in the If .-a.xils after 

 flowering. 



6. quadrifolia, Linn. Usually simple, sometimes 

 slightly pubescent, 1-3 ft. high: lvs. verticillate, in 3's- 

 4's, rarely .some opposite, lanceolate, oblong or ovate, 

 acute, 1-4 in. long, green beneath, veiny: fls. axillary, 

 3-6 lines broad, on very slender pedicels, which are 

 }.->-ll'2 i'l- long; calyx and coroUa as in L. terrestris. 

 Dry soil. E.U.S. B.B. 2:588. 



7. vulgaris, Linn. Common Yellow Loosestrife. 

 Tall and erect, 2-3 ft. high, and stout; branched above, 

 downy, especially on the .st.: lvs. verticillate, in 3's— i's, 

 ovate-lanceolate or lance-oval, acute at both ends, 

 nearly sessile: fls. in the upper a.xils, or densely panicu- 

 late at the suinmit; calyx often ilark-margined; corolla 

 large, the lobes broad, glabrous. Evi., Asia. R.H. 1891, 

 p. 303.; 1899, p. 21. — Very showy when grown in 

 clumps. 



8. punctata, Linn. {L. verticillata, Bieb.). Tall and 

 stout: lvs. verticillate, in 4's, lanceolate, ovate or cor- 

 date-ovate, acute, subsessile: corolla-lobes oval, dentic- 

 ulate, glandular-ciliate, acute; stamens united. Very 

 similar to L. vulgaris, but differs in the larger caly.x- 

 lobes not dark-margined: fls. in axillary, equidistant 

 whorls, not paniculate, and corolla glandular. Eu., VV. 

 Asia. B.M. 2295 (as L. vertidllaris) . G.M. 57:in. 



'.). Ephemerum, Linn. Smooth: lvs. opposite, glau- 

 (■ous, elongate-lanceolate, obtuse, connate and some- 

 what decurrent : raceme long, terminal: bracts equaling 

 the short (2-4 lines long) pedicels; fls. white, often 

 tinged with purple; calyx-lobes ovate, obtuse; corolla- 

 lobes ovate, obtuse, twice ;is long as the calyx; stamens 

 .slightly exserted. S. Eu. B.M. 2340. R.H. 1891, p. 303. 



10. barystachys, Bunge (L. brachyslachys, Hort.). 

 St. strict, simiile, hispid and leafy above: lvs. few, alter- 

 nate, linear-oblong, abruptly acute, attenuate at base, 

 appressed puberulent, glaucous beneath: raceme at first 

 nodding, dense, terminal, spike-like: bracts exceeding 

 the short pedicels: fls. white; calyx shorter than the 

 corolla; the lobes ovate, obtu.se, ciliolate, membranous- 

 margined; corolla-lobes oblong-linear, obtuse, longer 

 than the stamens. C.lhina. 11.11.1.881:90. 



11. Fortunei, Maxim. Glabrous: Ivs. alternate, ob- 

 long-lanceolate, acuminate or mucronate; ba.se acu- 

 minate, cartilaginous-margined: raceme dense: bracts 

 equaling the short (1-2 lines long) pedicels: fls. white; 

 calyx broa<lly campanulatc; the lobes obtuse, mem- 



