SAXIFRAGACEjE. I. SAXIFRAGA. 



217 



b. f. 4.) stems nearly naked, few- flowered ; leaves densely 

 imbricated, lanceolate, spinosely mucronate, and ciliated, shin- 

 ing beneath ; flowers usually by threes, panicled ; calyx pilose : 

 with ovate lobes, which end in a little spine each ; petals obtuse, 

 hardly longer than the calyx. I/ . H. Native country unknown. 

 Chondrosea nitida, Haw. enum. sax. p. 16. Very nearly allied 

 to &. tenella. Flowers yellowish. 



Shining Saxifrage. Fl. May, Ju. Clt. ? PI. | foot. 



93 S. TENE'LLA (Wulf. in Jacq. coll. 3. p. 144. t. 17.) leaves 

 crowded, linear-subulate, flat, pungent, ciliated ; stems slender, 

 few-leaved, many-flowered ; calycine segments linear-lanceolate ; 

 petals obovate. %. H. Native of the Alps of Carinthia, Car- 

 niola, and of the Carpathian mountains ; also about Prague. 

 Chondrosea tenella, Haw. enum. sax. p. 15. Plant tufted ; sur- 

 culi decumbent. Leaves crowded, imbricate, deep green, keeled 

 beneath. Flowers panicled, white. Calyx beset with glan- 

 dular hairs. 



Delicate Saxifrage. Fl. Ju. Aug. Clt. 1819. PL | foot. 



94 S. ARENARIOIDES (Brignoli, fasc. rar. pi. forogul. p. 24. 

 Sternb. rev. sax. p. 59.) stem erect, nearly naked, branched in 

 forks ; surculi creeping, prostrate, covered with imbricated 

 leaves; leaves linear, acuminated, ciliated at the base. I/. H. 

 Native of the mountains of Matajura, in the fissures of rocks. 

 Flowers white. Perhaps not distinct from S. tenella. (ex Mo- 

 retti, tent. sax. p. 33.) 



Sand-wort-like Saxifrage. PI. -^ foot. 



95 S. BURSERIA'NA (Lin. spec. 572.) stem beset with glan- 

 dular hairs ; leaves aggregate, subulate, pungent, smooth, glau- 

 cous ; stems usually 1 -flowered; segments of the calyx ovate ; 

 petals roundish, with curled edges, and branched nerves, li- H. 

 Native of the Alps of Carinthia and Carniola ; and in Upper 

 Italy, on the mountains. Wulf. in Jacq. misc. 1. p. 152. t. 17. 

 f. 3. Sternb. sax. p. 33. t. 10. f. 1-2. and in Sturm, deutschl. 

 fasc. 33. no. 10. f. a. b. c. d. Seguier, pi. rar. 3. p. 201. t. 5. 

 f. 2. Chondrosea Burseriana, Haw. enum. sax. 15. Plant 

 densely tufted. Surculi short, erect. Leaves rosulate, trique- 

 trous. Flowers large, beautiful, milk-coloured, lined with 

 branched, yellowish, flexuous nerves. 



Var, ft, subbiflora (Sternb. 1. c. t. 10. /3.) stems usually 2- 

 flowered. 



Burser's Saxifrage. Fl. Mar. Ju. Clt. 1826. PI. ^ foot. 



96 S. VANDE'LLII (Sternb. rev. sax. p. 34. t. 10. b. f. 3. ex- 

 clusive of the syn. of Jacq.) plant beset with glandular hairs ; 

 leaves firm, ciliated : radical ones aggregate, dense ; flowers 

 corymbose, pedunculate ; lobes of calyx ovate, acutish ; petals 

 obovate, cuneated, much longer than the calyx. 7/.H. Na- 

 tive on Mount Corni de Canzo, and of the Pyrenees. S. Bur- 

 seriana, Lapeyr. fl. pyr. p. 35. but not of Lin. exclusive of 

 many synonymes. S. Burseriana /3, spinosa, Pers. ench. 1. p. 

 488. S. Burseriana y, Vandelli, D. Don, in Lin. trans. 13. 

 p. S98. Chondrosea Vandelli, Haw. enum. sax. p. 15. Stem 

 usually 4-flowered. Flowers milk-coloured. 



Vandelli's Saxifrage. PI. -| foot. 



SECT. VII. MICRA'NTHES (from ^uicpoc, micros, small, and 

 avdoe, anthos, a flower ; flowers small). D. Don, in Lin. trans. 

 13. p. 345. Tausch, hort. canal, fasc. 1. Haw. syn. succ. p. 

 321. and enum. sax. p. 45. Dermasea, Haw. enum. sax. p. 8. 

 Calyx 5-parted (f. 45. a.), spreading. Petals small (f. 45. b.), 

 sessile, spreading, inserted in the calyx : as also the stamens ; 

 filaments very short, subulate (f. 45 . c.). Styles very short, thick ; 

 stigmas capitate, glabrous. Capsule depressed, free from the 

 calyx (f. 45. d,}. Seeds oblong, smooth. Perennial herbs, with 

 fibrous roots and many-flowered scapes. Leaves undivided, 

 spreading, lanceolate or ovate, serrated or crenated. Flowers 



VOL. III. 



corymbose, small, white or yellowish, disposed in terminal 

 panicles. 



97 S. HIERACIFOLIA (Waldst. et Kit. hung. 1. p. 17. t. 18.) 

 scape erect, hairy; leaves petiolate, elliptic, acute, repandly 

 toothed, glabrous ; pedicels aggregate, 1-flowered, disposed in 

 spikes: petals lanceolate, acute. l/.H. Native of the Car- 

 pathian mountains, Greenland: shores of the Arctic Sea, between 

 the Mackenzie and Coppermine rivers, Arctic Islands ; and of 

 Siberia, at the mouth of the river Lena. S. plantaginifolia, 

 Hook, in Parry's 2d voy. append, p. 394. S. rigida, Christ. 

 Smith, mss. S. uliginosa a, Fisch. in litt. 1S29. S. nivalis, 

 var. racemosa, Towns, itin. hung. p. 488. t. 15. S. rotundi- 

 folia, Geners. clench, scap. no. 372. Micranthes hieracifolia, 

 Haw. enum. sax. p. 45. Leaves ciliated, with articulated hairs. 

 Stem beset with glandular hairs, as well as the pedicels and 

 calyxes. Bracteas lanceolate, obtuse, one under each fascicle of 

 flowers. Flowers small, of a brownish-bay colour. 



Var. |3, capitellata (Ser. in D. C. prod. 4. p. 39.) flowers 

 few, somewhat capitate ; leaves nearly entire ; scape length of 

 leaves. I/. H. Native of the Carpathian mountains, and the 

 Island of St. Lawrence. Micranthes hirta, Haw. enum. sax. 

 p. 46. ? S. uliginosa /3, atrata, Fisch. in litt. 



Hawkwecd-leaved Saxifrage. Fl. May, Ju. Clt. 1789. PI. 

 | to 1 foot. 



98 S. PENNSYLVA'NICA (Lin. spec. 571.) leaves lanceolate, 

 without petioles, sinuately denticulated, very hairy on botli sur- 

 faces ; scape branched ; flowers disposed in corymbose heads, 

 the whole forming a branched panicle ; calycine segments ovate, 

 acutish; petals linear, longer than the calyx. 3. H. Native 

 of North America, in the states of New York and Virginia, in 

 humid meadows ; also of Canada, but rare. S. Caroliniana and 

 S. Marylandica, Hortul. S. palustris, Hort. engl. Link, enum. 

 1. p. 412. Micranthes Pennsylvania, Haw. enum. sax. p. 45. 

 Dill. elth. 337. t. 253. f. 328. Leaves attenuated at the base. 

 Scape beset with viscid hairs, and the pedicels and calyxes 

 with glandular ones. Flowers of a squalid white colour. 



Var. ft, corymbifera (Michx. fl. bor. amer. 1. p. 269.) panicle 

 loose ; flowers corymbose, distant. 



Pennsylvanian Saxifrage. Fl. May, June. Clt. 1732. PI. 

 1! to 2 feet. 



99 S. SEMIPUBE'SCENS (Sweet, hort. suburb, p. 97.) leaves 

 without petioles, oval-oblong, obtuse, quite glabrous, denticu- 

 lated ; scape branched ; flowers in capitate corymbs, the whole 

 forming a panicle ; calycine segments ovate, acute ; petals oval, 

 about equal in length to the calyx. 1. H. Native of North 

 America. Micranthes semipubescens, Haw. syn. succ. append. 

 321. S. Marylandica, Hortul. Micranthes hirta, Haw. enum. 

 sax. p. 46. Stem beset with glandular hairs, as well as the 

 calyxes and pedicels. Flowers small, yellowish. 



Semi-pubescent Saxifrage. Fl. May, June. Clt. 1800. PI. 

 1 to \\ foot. 



100 S. VIRGINIE'NSIS (Michx. fl. bor. amer. 1. p. 269.) leaves 

 ovate, acute, toothed, stalked ; calycine segments ovate, obtuse ; 

 petals oval, with branched nerves ; scape paniculately branched. 

 T/. H. Native of Virginia, Carolina, and New England, on 

 the mountains ; also of Canada, near Montreal, and on the 

 banks of the Saskatchewan. S. Virginica, Nutt. gen. amer. 1 . 

 p. 285. S. elongata /3, subspatulata, Sternb. append, enum. 

 sax. p. 4. Dermasea pilosa, Haw. enum. sax. p. 8. Pluk. aim. 

 p. 331. t. 39. f. 1. and t. 222. f. 5. Leaves rather hairy on 

 both surfaces. Scape beset with glandular hairs, naked above, 

 dichotomously branched; branches elongated, ascending. Flowers 

 disposed in unilateral spicate racemes, small, white. Pedicels 

 numerous, 1-flowered, clothed with viscid down. 



Virginian Saxifrage. Fl. May.Jul. Clt. 1790. PI. | foot. 



101 S. VERNA'LIS (Willd. hort. berol. t. 43.) leaves oblong or 

 Ff 



