1182 



OXALIS 



A. Plaiitx without bulb» or scaly 

 rootstocks : stem usuaUy elon- 

 gated, leatij. 

 B. Lfts. putmately placed, nnl 

 separated, notched. 



c. Color of (Is. rosy 1 . rosea 



CO. Color of fls. chiefly yellow. 

 D. Peduncles shorter than 



Ivs 2. comiculata 



DD. Pednncles lonr/erthan Iv.i. 



E. Fnlitujp cliistfrcrl ^. Valdiviensis 



EE. Fi'liti'ii- si;itt,rril 4. Ortgiesi 



BB. Lfts. piiiii,i/,lii /./.(.■•■./. soin,'- 



what .1. i::nair,l . , iiiirc j. delicata 



AA. Platifs tvilh niiiUni round stems 

 thicUened and scaly at end, 

 forming a sort of tuber: stem 

 scarceh/ any: Ivs. of S lfts. 

 B. Fls. white, ictth rosy reins. 



C. Jjffs. obcordate (i. Acetosella 



CC. Lfts. broadly Iria nunln r. 



scarcely notch: d , . Japonica 



BB. Fls. rosy, lilac, or irliiti- s. rubra 



AAA. Plants from loose, scaly, ovoid 

 bulbs : stem scarcely any: fls, 

 umbelled on elongated scapes, 

 American species. 

 B. Lfts. S. 



c. Bulb composed of numerous 



small ones 9. Martiana 



CO. Bulb sim/de 10. violacea 



BB. Lfts. 4 or S 11. tetraphylla 



BUB. IJts. 'i-I(i Vl. lasiandra 



AAAA. Plnids f,;,„i In, r:l . ni.'slln lusiform 



n. "Fh^umtielh-d : stems searnhi 



c. Color of fls. rose l.'i. Bowiei 



CC. Color of fls. yellow 14. cemua 



BB. Fls. solitary on the peduncles. 

 o. Stem scarcely any: lfts. 



broad 15. variabilis 



CC. Stem distinct, leafy: lfts. 

 narrow. 



D. Lvs, nearly sessile 16. liirta 



DD. Lvs. mostly lonf/stalked. 17. versicolor 



B.iM. 2413 



(liffers, 

 las O. 



iliirke 



2. comiculata, Linn. Slender, prostrate, often rocit- 

 iii^'. I..i.si-ly hairy: lfts. obcordate: fls. usually 2 to :! 

 lofjcllicr, small, yellow. — A tropical form of this poly- 

 iiu)r|tln'ns species is universal as a greenhouse \vee(i, 

 es[)i.tially in A|,'ave and Cactus tubs. 



Var. atropurpdrea. Planch. {O.tropwoloXdes, Scblach- 

 tt-r). ,\^<iMiiiiit;. tutted, with deep purple-red stems 

 anil fLliaL,'!-. S..rnetimes used for beds or borders, and 

 f..r . -aril. ■tin- lai-i;e tubs, etc. Eu. P.S. 12:1205; 19:1908. 

 K.ll. l.s',17. p. 4!l'.l. 



:(. Valdivi^nsis, Bam. (0. Ko;(fic((3»»a, Hort.). Short- 

 stcinnic-.l: lvs. clustered, long-petioled; lfts. obcordate: 

 tls. c-losi-lv ninbrlled on erect, elongated peduncles, yel- 

 low, withreddisii veins. Chile. 



4. 6rtgiesi, K.gel. Pig. 1602. Stem elongated, erect, 

 ratlier ttesliy and usually reddish: lvs. scattered, often 

 on long, colored petioles; lfts. red below, cuneate, with 

 broad V-shaped notch at end: fls. very short-stalked, in 

 forked cymes on elongated peduncles, small, yellow, 

 with deeper veins. Peru. Gt. 1875:817. 



5. delicata, Pohl. Stem erect, elongated, slender, 

 branching : lfts. ovate or lance-ovate, acute : fls. in 

 forked cymes on elongated peduncles, small, pale rose. 

 Brazil. 



C. Acetos6Ila, Linn. Wood Sorrel. Rlii. hih -;> iMln-, 

 the ends scarcely thickened, densels -i ! — "V 



date, not orange-dotted: fls. solitar\ i . -, 



white, with rosy veins. Eu., N. Amei-. i.n i,,|i i_!i.- 

 While a charming plant for the wood-ganl.n. ilii>. winch 

 is sometimes held to be the original Irish Shamrock, 

 scarcely enters into ordinary gardening. Ct.C. II. 

 25:685. 



7. Jap6nica. Frani-h. & Sav. Lfts. broadly triangular, 

 scai'cch- nnlclicd. truncate. Otherwise similar to the 



8. rilbra, 

 loosely tool 

 and often c 



lis'. n7inicr.. 



Rhi; 



thii 



ned 





1602. Oralis Ortgiesi. 



1. rdaea, Feuil. Stem elongated, erect: lvs. scattered, 

 rather sbort-petioled ; lfts. obcordate : fls. in open, 

 irregularly forked cymes on elongated axillary pedun- 

 cles, rather large, rosy, with deeper veins. Chile. B.M. 

 2830. B.R. 13:1123 (as O, floribunda). O. Simsii, 



O. allui : and O, violaeea and O. viohteea var. aibi 

 the trade seem to be this species and its variety. 



9. Martiana, Zucc. {O. urbica, St. Hil. O. bip, 

 tdta. Grab. O. floribunda. Lclun.l. Bulbs coTuposc 

 numerous small ones: lfts. ol.ci-il.-iic. ^.-m^w Imi li: 



10. violicea, Linn. Bulb simple: lvs. rather 

 fleshy, glabrous : fls. in simple umbels, rose-vio- 

 let. Eastern U. S. B. M. 221.i. Mn. 5:121.- 

 .Scarccly useful, except for hardy borders, rock- 

 eries, etc., and transient. 



11. tetraphylla, Cav. (O. Di'ppel. Lodd.). Lfts. 3 or 

 4.dcltoiil, trnncatcly notched, each crossed by a pur- 

 ]ilishband: lis. ratlnr few. lilac lo deep ro.sy. Mexico. 

 L. B.C. 8:790; 15:ir.(i(i. i l.:\l. ::'.i, p. 4(13. Gn. 8, p. 43.- 

 Sonictimes called <). eseiil,nhi. hccause of the large 

 fusiform roots beneath the bulbs. 



12. lasidndra, Zuco. Lfts. 5 to 10, oblong-spatulate, 

 not notclied, several inches long, radiately pendent 

 about a reddish disk at end of petiole; fls. crowded, 

 rosy crimson. Mexico. B.M. 3896. 



13. Bdwiei, Herbert. Pig. 1601. Lvs. large; lfts. 

 rather fleshy, broadly obcordate, deep green: fls. large, 

 loosely clu.stered, bright rose-red. Cape. B.R. 19:1585. 

 B. 1:25. R.H. 1858, p. 120. Gn. 10, p. 159. 



14. c^raua, Thunb. Pig. 1G03. Lfts. broadly obcor- 

 date, deeply notched, often purplish: fls. large, com- 

 pactly clustered, bright yellow. Cape. L.B.C. 12:1154. 



