214 



SAXIFRAGACE^E. I. SAXIFRAGA. 



FIG. 43. 



spreading, flat, spatulate, bearded with short down (f. 43. c.). 

 Capsule covered by the calyx. Seeds angular, smooth or 

 wrinkled Tufted evergreen herbs, with small opposite coria- 

 ceous or thick permanent leaves. Flowers red or violaceous. 

 Elegant little plants. 



69 S. OPPOSITIFOLIA (Lin. spec. 575.) stems 1-flowered ; leaves 

 imbricated, ovate or obovate, flat, obtuse, ciliated; segments of 

 the calyx broadly ovate, obtuse; petals obovate, 5-nerved ; 

 genitals shorter than the corolla. H. . H. Native of Lapland, 

 Switzerland, Spitzbergen, Pyrenees, Scotland, and England, on 

 alpine rocks and precipices ; also of North America, as in New- 

 foundland and Labrador ; Antecosti, in the Bay of St. Laurence ; 

 Rocky Mountains, near the highest summits, between lat. 52 

 and 56 ; Arctic sea shore and islands ; Bay of Eschscholtz, &c. 

 In England on the west side of Ingleborough Hill, Yorkshire ; 

 on Snowdon plentifully ; and on Ben Lomond and other Scottish 

 mountains. Lin. fl. lapp. p. 179. t. 2. f. 1. Fl. dan. t. 34. All. 

 pedem. 1529. t. 21. f. 3. Lapeyr. pyr. sax. p. 36. t. 16. Smith, 

 engl. bot. t. 9. Hohenwart in Reiner, itin. 1. p. 133. t. 3. S. 

 ccerulea, Pers. ench. l.p. 488. Antiphylla ccerulea, Haw. enum. 

 sax. p. 43. Plant forming a broad flat tuft ; surculi short, pro- 

 cumbent, reddish. Leaves usually perforated at the apex by 1 

 or 2 pores. Flowers large, of a beautiful lilac colour. 



Far. /3, distant (Ser. in D. C. prod. 4. p. 18.) leaves of the 

 sterile branches loose and distant. If. . H. Native of the Alps 

 of Switzerland and the Pyrenees. 



Opposite-leaved Saxifrage. Fl. March, April. Britain. PI. 

 1 inch. 



70 S. RETU'SA (Gouan, 

 ill. 28. t. 18. f. 1.) stems 

 usually 3-flowered ; leaves 

 imbricated, oblong, trigo- 

 nal, acute, full of perforated 

 dots above ; petals lanceo- 

 late, acute ; styles much 

 longer than the corolla. If. . 

 H. Native of Piedmont, 

 on the tops of the Alps, as 

 well as of Dauphiny and 

 the Pyrenees. Lapeyr. pyr. 



sax. p. 38. t. 18. Sweet, fl. gard. t. 49. new ser. t. 49. S. 

 imbricata, Lam. fl. fr. 3. p. 531. S. purpurea, All. pedem. 1531. 

 t. 21. f. 2. S. oppositifolia y, Willd. spec. 2. p. 648. Anti- 

 phylla retusa, Haw. enum. sax. p. 44. Plant forming a very com- 

 pact harsh tuft, glaucescent ; surculi procumbent, densely leafy. 

 Stems erect, few-leaved. Leaves imbricated in 4 rows, like 

 those of the last species, trigonal, glabrous, shining, ciliated at 

 the base. Pedicels and calyxes clothed with short glandular 

 down. Flowers purple. Calycine segments oblong-ovate, ob- 

 tuse. Petals triple-nerved, acute (f. 43.). 



Retuse-\ea\ed Saxifrage. Fl. May, June. Clt. 1826. PI. ft. 



71 S. BiFL6n.A (All. pedem. 1530. t. 21. f. 1.) stem usually 

 2-3-flowered; leaves flat, spatulate, ciliated, loose ; petals linear- 

 oblong ; calycine lobes obtuse ; genitals longer than the corolla. 

 y. . H. Native of the Alps of Switzerland and the Pyrenees, 

 near the limits of perpetual snow. Lapeyr. pyr. sax. p. 37. t. 

 17. Hohenwart and Reiner, itin. 1. p. 138. t. 2. f. 2. Anti- 

 phylla biflora, Haw. enum. sax. p. 44. S. oppositifolia ft, Willd. 

 spec. 2. p. 648. Plant tufted, greenish purple, like S. oppo- 

 sitifolia, but larger and more loose in habit. Flowers purplish 

 or lilac. Leaves imbricating in 4 rows. Seeds obovate, trique- 

 trous, truncate at the apex. 



Two-flowered Saxifrage. Fl. April, June. Clt. 1820. PI. 1 

 to 2 inches. 



72 S. ESCHSCHO'LTZII (Sternb. rev. sax. suppl. p. 9. t. 10. f. 

 2.) plant small, densely tufted ; leaves closely imbricated, ob- 



ovate, concave, pectinately ciliated ; flowers solitary on short 

 peduncles ; petals cochleate, ciliated ; calycine segments obtuse, 

 ciliated. If.. H. Native of the north-west coast of America, 

 at Cape Newnham and Behring's Straits. S. fimbriata, D. Don, 

 in Lin. trans. 13. p. 404. Plant canescent, forming a flat 

 spreading tuft. Leaves glabrous, full of pitted dots. Peduncles 

 solitary, 1-flowered. Flowers probably purple. 

 Eschscholtz's Saxifrage. PI. 1 inch. 



SECT. VI. AIZOONIA (am, aiei, always, and woe, zoos, 

 alive; succulent plants). Tausch, hort. canal, fasc. 1. D. C. 

 prod. 4. p. 18. Chondrosea, Haw. enum. sax. p. 10. Cotyle- 

 don, Trigonophy'llum, and Porophyllum, Gaudin, fl. helv. 3. p. 

 86. 89. and 91. Calyx 5-cleft, with a long tube adhering to the 

 ovarium, erect, permanent. Petals sessile, perigynous. Stamens 

 perigynous ; filaments flat, gradually attenuated. Stigmas 

 spreading, flat, spatulate, bearded with short down. Seeds ovate, 

 triquetrous, wrinkled. Leaves alternate, thick, sessile, coriace- 

 ous, glaucescent, permanent, cartilaginously margined, usually 

 marked with excavated dots towards the margin : radical ones 

 rosulate. Flowers white, yellow or red. 



1. Leaves ligulate, obtuse, cartilaginously serrated. 



73 S. COTYLE'DON (Lin. spec. 5 70.) leaves flat, spatulate, car- 

 tilaginously serrated ; calyx densely beset with glands : with 

 linear-lanceolate obtuse segments ; petals oblong-spatulate. I/ . 

 H. Native of the Alps of Lapland, Norway, Iceland, Switzer- 

 land, and the Pyrenees. Oed. fl. dan. t. 241. S. pyramidalis, 

 Lapeyr. pyr. sax. p. 32. Sternb. sax. p. 2. t. 2. S. pyramidata, 

 Mill. diet. no. 4. S. multiflora, Ehrh. pi. sel. p. 74. Chondrosea 

 pyramidalis, Haw. enum. sax. p. 10. Lin. fl. lapp. 177. t. 2. 

 f. 2. Plant tufted. Stem erect, branched in a pyramidal form, 

 many flowered. Leaves with silvery edges. Flowers large, 

 white, dotless ; petals conspicuously 3-nerved. Angles of seeds 

 rough. 



Cotyledon or Pyramidal Saxifrage. Fl. May, July. Clt. 1596. 

 PI. 1 to 2 feet. 



74 S. LINGULA'TA (Bell, in act. taur. 5. p. 226.) leaves linear- 

 Ungulate, channelled, tubercularly crenated ; calyx densely be- 

 set with glands : with semi-ovate obtuse segments ; petals oval. 

 %. H. Native of the tops of the Alps of Switzerland ; and the 

 Pyrenees, on the Alps by the sea side, and other alpine places 

 about Montregal. C. Cotyledon, Mill. diet. no. 2. S. longi- 

 folia, Lapeyr. pyr. sax. p. 26. t. 11. Chondrosea longifolia, 

 Haw. enum. sax. p. 11. Plant tufted. Stem erect, flexuous, 

 branched in a pyramidal form, leafy, beset with glandular hairs. 

 Leaves glaucous, ciliated at the base, recurved at the apex. 

 Panicle nodding. Peduncles many flowered, and are, as well as 

 the calyxes, beset with rusty glandular down. Flowers flat, 

 white, with numerous rose-coloured dots ; petals conspicuously 

 triple-nerved. 



Var. /3, media (Sternb. sax. p. 1. t. 1. a. and in Sturm, 

 deutschl. fl. 33. f. a.) leaves shorter; stem panicled above; pa- 

 nicle erect, pyramidal. Tf.. H. Native of the Alps of Carin- 

 thia. Chondrosea intermedia, Haw. enum. sax. p. 11. Hort. 



eyst. ord. 5. pi. 10. f. 1 Pluk. phyt. t. 222. f. 1. Perhaps a 



distinct species. 



Var. y, crustata (D. Don, in Lin. trans. 13. p. 391.) plant 

 4 times smaller than the species ; leaves narrower, with more 

 crustaceously porose margins; panicle few-flowered. I/. H. 

 Native of the Alps of Switzerland, Carniola, Carinthia, and the 

 Pyrenees. S. longifolia y minor, Sternb. sax. t. 1. f. b. S. 

 crustata, Vest, man. bot. p. 656. S. lingulata, Bell, in act. acad. 

 tur. 5. p. 226. S. callosa, Smith in Rees' cycl. vol. 31. Panicle 

 straight : peduncles 2-3-flowered. 



