1620 



SAXIFRAGA 



SAXIFRAGA 



large, lilac; var. Pyreniica (or snperha), fls. very large, 

 rose-purple. ^S. i>p}>osififr>Ha is evergreen. It makes a 

 good carpet under otiier plants. 



9. lingnlata, Bell. Radical Its. in a rosette, numer- 

 ous, linear-spatulate and somewhat acute, sulcate above. 

 the margin erose-crenulate and somewhat ciliate and 

 crustate with lime; stem-lvs. shorter, the margin carti- 

 laginous and lews crustate: scape rising 1-2 ft., erect or 

 flexuose, and beitrinu; a lliyrsoid panicle of small white 

 fls. with obovatif oc olilunt^ - obovate 3-nerved petals. 

 Apennines and Alps. 



Var. Lantoacana, En;j,-h"n' {S. L'Uifo.'^ciiHa , Boiss. & 

 Reut.). Lvs. siiort, m<>iH- ur less atteiiuatf b<.-low. but 

 not at the i^u^x, tliie mar^an thin, adaritime Alps. G.C. 

 II. 15:109. 



Pvadir-al ur basal lvs. many, somr- 

 and tli<- aiM'x iilitusf. ciliate at the 

 l:' and ni'arlv ml' quite obtuse, cre- 

 ."-:i-lld,, tin- ds. white or the oh- 

 t ]mr|iIt'--^pottHd. Apennines and 



. Tufted, the basal lvs. forming 



■tt( .^, and ■<endin^' up longpanicles 



: li;i^al lvs jinyulate to long-obo- 



]il;nie. margin cartilaginous and 



many i".>res ; stem-lvs. lingulate- 



(■r'>n^, white, the petals cuneate- 



ed and the middle nerve usually 



idnlar. 3Innutains of Eu. Var. 



pyramidalis, DC. is a rolmst form, 



with a large, many-dd. panicle. 



12. Aizoon, Jacq. (S. ro.snId)-/s, 

 Sfhleich. S. recta. Lap.). Fig. 22(>0. 

 iMu(di tnfted alpine plant, fonning 

 small dense rosettes and sending up 

 a clammy-pubescent, many-fld. seape 

 5-12 in. high: basal lvs. spatulate, 

 incurved, thick and persistent, the 

 margins white and cartilaginous and 

 porose; steni-lvs. smaller, spatulate 

 or cuneate, serrate towards the apex: 

 fls. small and many, cream color to 

 nearly wdiite, the petals obovate to 

 elliptic and .'"J-5-nerved, and some- 

 times spotted at the base. Alpine 

 and boreal parts of Europe, Asia and 

 N. Amer. , coming as far south, in 

 our enstern country, as northern Vt. 

 and Lake Superior. —Very variable. 



13, granulata, Linn. Meadow 

 Saxifrac^e. Plant erect and branched 



when in bloom, 6-20 in. tall : 

 radical lvs. reniform, incise- 

 lobed, the lobes entire or cre- 

 nate, jdlose, stalked ; stem-lvs. 

 few, nearly sessile, cuneate : 

 fls. white, somewhat bell- 

 sljaped, more or less 

 drooping, about 1 in. 

 , across, the petals ob- 



ovate - oblong a n cl 



S much contracted at 



^i the base and 3- 



_ ^""^ nerved. Eu., N.Afr., 



Asia. — This is a com- 

 mon Meadow Saxi- 

 _" f rage of Europe, 

 _J^^'^^ blooming early in 

 —_^ ^ May. It is an attrac- 



^ tive plant. A full 



double form is in 

 cultivation , being 

 prized for planting 

 in moist shady borders. Not hardy at Boston. 



U. rivuUris, Linn. Matted little plant, with stems 

 ascending ]-:'. in. high: lower lvs. round -reniform, 

 prominently ;;-.'dnbed. long-stalked; stem-lvs. narrow- 

 ovate to^ lanceolate, entire: lis. 3-5, white, the petals 

 ovate. Eu., 7\sia. N. Amer., in this country occurring as 

 far south as the "White Mts. and Colo. 



1'). pelt^ta, 'J\.rr. U^ibrella Plant. Strong plant, 

 sending up hicge peltate leaf-blades or petioles 1-3 ft. 



2260. Sa.-dfra^a Aizoon (X W) ■ 



long, the many pinkish or wdiite fls. borne on long hairy 

 scapes overtopping the young foliage: rootstock stout, 

 horizontal: lvs. orbicular, much lobed or cut, almost 

 centrally peltate : fls. K in. across, the petals elliptic 

 and obtuse. Margins of streams, Calif. B.M. 6074. P. 

 S. 23:2441. G.C. III. 27:139. On. 2G, p. 545; 55, p. 6. 

 Gng. 7:307. — One of the largest of all Saxifrages, and 

 the only one with peltate lvs. The If. -blade often meas- 

 ures 1 ft. across, and the rhizome 2-3 in. thick. The 

 fls. appear in advance of the lvs. in early spring. Hardy 

 in Mass., wdth slight protection, and a most desirable 

 plant when bold effects are desired. 



16. chrysintha, Gray. Dwarf cespitose plant with 

 cree|dng shoots and rosulate, imbricated oblong-ovate, 

 glabrous and fleshy lvs.: flowering stems 1-2 in. tall, 

 flliforni, glandular-pubescent, ]-3-fld., the oval petals 

 yellow. Mts. of Colo. — Has been offered by dealers in 

 native plants. 



17. rotundifolia, Linn. Root-lvs. thick, cordate-orbic- 

 ular, dentate-lobed, long-stalked, clustered, but not 

 rosulate; stem-lvs. nearly sessile, often narrower: fl.- 

 stems 1 ft. tall, erect and somewhat branched, hairy; 

 fls. white, the oblong-elliptic petals spotted wdth purple. 

 Eu. and Asia. B.I\1. 424.— A very pretty plant for moist 

 places. 



Var. Taygetea, Engler (N. Tiniij,'i?a, Boiss. 6c Heldr.). 

 Basal lvs. \-ery long-stalked, reniform or nearly orbic- 

 ular. .■')-9-lobed: ds. only 1-2 on the ends of the branches 

 (several in S. rnfundttoHa itsidf). Greece. 



IS. punctata, Linn. Plant 1 ft. or more high when in 

 flower, UHu-e or less putiescent, the scape leafless: lvs. 

 at flrst pubescent but Ijecoming glabrous, reniform, 

 equally and strongly dentate or crenate: fls. white, not 

 punctate, t)ie petids f>bovate or oblong ; the sepals 

 acutish. Asia ami boreal N. Amer. 



19. Mertensiana, Bong. Very like ^\ piinrfafa, but 

 the lvs. incise-lobed and the lobes 3-toothed: sepals ob- 

 tuse. Alaska. 



20. bry6phora, Gray. Dwarf, the scapes about 3 in. 

 higli and branching: lvs. 1 in. or less long, oblanceolate 

 to narrow-oblong, entire and ciliate, usually rosulate: 

 scape leafless, the branches 1-fld. : petals lance-ovate, 

 white, 2-spotted at the base. Mt. Dana. — Once offered 

 by dealers in native plants. 



21. leu c anthem if 61i a, Michx. {^. JlicJiauxli. Britt.). 

 A^iscid plant 5-20 in. tall, much branched, bearing many 

 small star-like white fls. and long-spatulate toothed lvs.: 

 petals hmceolate, unecjual, the 3 larger ones cordate at 

 the base and wdth a pair of yellow spots. Va. to iJQ., 

 in the mountains. 



22. Pennsylvdnica, Linn. Tall stout herb, sometimes 

 3 ft. and more high, viscid pubescent, nearly or quite 

 simple: basal lvs. sometimes nearly 1 ft. long, oblan- 

 ceolate, obscurely toothed, much narrowed below, the 

 scape nearly naked: panicle long and becoming open: 

 fls. numerous and small, greenish, the petals linear- 

 lanceolate. Swamps, eastern U. S., souih as far as Va. 

 — Recommended as a bog plant. 



23. niv&,lis, Linn. Dwarf, the flowering branches ris- 

 ing .3-6 in. : lvs. ovate or obovate, thickish, crenate, 

 narrowed into a petiole: fls. capitate on a naked scape, 

 the head sometimes bramdied, white, the oblong or obo- 

 vate petals persistent. Alpine and arctic regions of 

 Eu., Asia and N. Amer. In the Rocky Mts. it occurs 

 as far south as Arizona. 



24. Virginiensls, Michx. Low, viscid imbescent plant, 

 1 ft. or les.s tall, from a rosette of cd)Ovate or spatulate, 

 crenate-toothed thickish lvs., which are narrowed into a 

 petiole: cyme small and close at flrst Imt becoming loose 

 and open: fls. small but many, dull wdiite, the petals 

 oblong-obtuse. On rocks and in woods, eastern U. S. 

 as far south as Va. and Tenn. — A pretty spring flower, 

 and sometimes planted. There is a double-fld. form. 



25. integrifdlia, Hook. Plant a foot or less tall, vis- 

 cid pu))escent, leafless except at the base, the short cau- 

 dex somewdiat woody : lvs. ovate an<l very obtuse, entire 

 or very nearly so: lis. white, small, in a more or less 

 loose panicle, the petals obovate and twice the length of 

 the spreading-reflexed calyx-lobes. Calif, northward.— 

 Once offered amongst native plants. 



