SAXIFRAGACE^. I. SAXIFRAGA. 



211 



faces : cauline one petiolate ; petioles hairy. If. . H. Native 

 of the west coast of North America, in the Island of Unalaschka. 

 Flowers white, size of those of S. bulbifera ; calycine segments 

 lanceolate, acute ; petals obovate, with branched flexuous 

 nerves. Pedicels and calyxes beset with crowded glandular 

 hairs. 



Nodding-fiowered Saxifrage. PI. ^ foot. 



41 S. RANUNCULIFOLIA (Hook. fl. bor. amer. 1. p. 246. t. 83.) 

 plant clothed with glandular pubescence, slender : lower leaves 

 on very long petioles, reniform, 3-parted : segments broadly 

 cuneated, deeply lobed ; cauline leaves few ; flowers corymbose, 

 pentandrous ; petals obovate, twice the length of the calyx ; 

 calyx beset with glandular hairs: segments acute. 1. H. 

 Native of North America ; common on the high grounds around 

 the Kettle Falls of the Columbia, and on the Rocky Mountains. 

 Flowers white, size of those ofS. stellaris. Petals obovate, un- 

 guiculate. 



Crorv-foot-leaved Saxifrage. PI. J foot. 



42 S. EXI V LIS (Steph. in Sternb. sax. suppl. p. 8. t. 3. f. 1.) 

 root tufted ; radicles capillary ; radical leaves palmately 5-lobed, 

 petiolate : cauline ones linear, entire ; petals obovate-oblong, 

 much longer than the 5-cleft calyx. l/.H. Native of Siberia, 

 and probably of Kotzebue's Sound. Stem weak, 2-flowered. 

 Flowers white. 



Slender Saxifrage. PI. | foot. 



43 S. LAURENTIA'NA (Ser. in D. C. prod. 4. p. 35.) plant 

 with many stems ; radical leaves on long petioles, reniform, 5-7- 

 lobed, crenated, reticulately veined lengthwise, glabrous ; stems 

 and peduncles ornamented with long intricate hairs ; flowers 

 few, somewhat capitate, involucrated by 3-4 crenately lobed 

 bracteas ; lobes of calyx ovate, obtuse, shorter than the petals ; 

 petals 3-nerved towards the middle. 1J. . H. Native of the 

 Island of St. Laurence in Behring's Straits. S. Chamissonis, 

 Sternb. ined. but not S. Chamissoi, Sternb. Flowers white. 



St. Laurence Saxifrage. PI. ^ foot. 



44 S. STEPHANIA'NA (Stern, suppl. sax. 1. p. 8. t. 6. f. 2.) 

 plant tufted ; stem usually 4-flowered, pilose ; radical, as well as 

 the cauline leaves, petiolate, and palmately many-lobed, pilose ; 

 bracteas nearly linear ; sepals linear, obtuse ; petals obovate, 

 many nerved. Tf.. H. Native of Siberia, Steph. S. palmata, 

 Steph. in litt. ex Sternb. 1. c. Flowers white. 



Stephan's Saxifrage. PI. -^ foot. 



45 S. ALTI'FIDA (Haw. enum. sax. p. 24.) leaves deeply and 

 palmately 3-parted : segments profoundly 3-5-cleft ; peduncles 

 subracemose, divaricate. I/ . H. Native country unknown. 



.S. adscendens, Haw. exclusive of all the synonymes. Very 

 nearly allied to S. granulata, but truly distinct, and differs in 

 the fissures of the leaves, and in the more decumbent stems. 

 Flowers white. 



Deep-cleft-leaved Saxifrage. Fl. May, June. PI. -J- foot. 



SECT. IV. HI'RCULUS (a name given by the ancients to a kind 

 of spikenard or valerian, which has nothing to do with the pre- 

 sent plant). Tausch, hort. canal, fasc. 1. Haw. enum. sax. p. 

 40. Kingstonia, Gray, brit. fl. 2. p. 531. Calyx deeply 5-cleft 

 (f. 42. a.), not adhering to the ovarium. Petals sessile (f. 42. 6.) 

 in most of the species. Stamens inserted in the throat of the 

 calyx (f. 42. c.) ; filaments subulate. Styles straight ; stigmas 

 orbicular, flattish, beardless. Capsule free from the calyx (f. 

 42. d. a.). Seeds oblong, wrinkled from dots. Humble her- 

 baceous evergreen plants. Stems leafy, stoloniferous. Leaves 

 alternate, narrow, nerved, entire, but usually ciliated with stiff 

 hairs, marcescent. Flowers white or yellow. 



46 S. HIRCULUS (Lin. spec. 576.) leaves lanceolate, obtuse, not 

 ciliated ; calycine segments lanceolate, obtuse, usually ciliated ; 

 petals obovate, many nerved ; styles almost wanting ; stigmas 



spatulate, when young deflexed, afterwards divaricate. If. . H. 

 Native of Sweden, Switzerland, Lapland, Siberia, Caucasus, 

 Germany, and in England, in boggy places. It is also found in 

 North America, from the Saskatchewan to the Arctic sea shore 

 and Islands, where it seems most abundant ; Behring's Straits, 

 Cape of Good Hope, Kotzebue's Sound, &c. In England in a 

 turfy morass about the centre of Knutsford moor, Cheshire ; and 

 on Cotherstone Fell, near the junction of the Black Heath with 

 the river Balder, Yorkshire. Fl. dan. t. 200. Smith, engl. bot. 

 1009. S. flava, Lam. fl. fr. 3. p. 529. S. propinqua, R. Br. in 

 Ross' voy. ed. 2. vol. 2. p. 192. Hirculus ranunculoides, Haw. 

 enum. sax. p. 60. Gmel. sib. 4. p. 165. t. 65. f. 3. Plant 

 pale green, with numerous procumbent stolons. Stem from 4 

 inches to 1 foot high. Peduncles long, 1-flowered, covered with 

 clammy fuscous villi. Flowers large, showy golden yellow; se- 

 pals obtuse. 



Var. ft, elata ; stem a foot high, many flowered ; peduncles 

 very villous. I/ . H. Native of Eastern Siberia. 



Var. y, acutdta (Ser. in D. C. prod. 4. p. 45.) segments of 

 calyx acute; styles rather elongated. Hall. hist. no. 972. 1. 11. 



Var. S, Altalca ; stem usually 1-flowered, pubescent ; pe- 

 duncles clothed with rufous villi. 11 . H. Native of Altaia, in 

 humid subalpine places at the rivers Ursul and Tschuja. S. 

 Hirculus, Ledeb. fl. alt. 2. p. 121. 



Hirculus Saxifrage. Fl. Aug. England. PI. -J to 1 foot. 



47 S. MYOSOTIFOLIA (D. Don, in Lin. trans. 13. p. 373.) 

 plant tufted, without any stolons or flagellae ; leaves ovate, acute, 

 mutic, bristly ; pedicels elongated, and are as well as the calyxes 

 beset with glandular pili ; stem nearly naked, usually 3-flowered ; 

 calycine segments broadly ovate, acute ; petals roundish, ungui- 

 culate, 5-nerved. %. H. Native of Siberia. Surculi very 

 short, erect, crowded. Stem 2-3-flowered, beset with stiff hairs. 

 Leaves ciliated with hairs on the margins, and on both surfaces. 

 Flowers cream-coloured ; filaments compressed, yellowish. Styles 

 short, thick. 



Mouse-ear-leaved Saxifrage. PI. 2 inches. 



48 S. ELAGELLA'RIS (Sternb. 

 sax. p. 25. t. 6.) stolons or fla- 

 gellae filiform ; stems erect, simple, 

 1-5-flowered, and are as well as 

 the calyxes clothed with glandu- 

 lar pubescence ; radical leaves as 

 well as lower cauline ones obo- 

 vately spatulate : superior ones 

 rather villous ; petals permanent, 

 longer than the capsule, which is 

 semi-superior. 1[. H. Native of 

 the Alps of Caucasus ; and of 

 north-west America, at Cape 

 Newnham, in Melville Island, 

 Baffin's Bay, Behring's Straits, 

 Arctic Islands, summits of the 

 Rocky Mountains, Kotzebue's 



Sound, &c. Hook. fl. bor. amer. 1. p. 253. t. 77. S. setigera, 

 Pursh. fl. amer. sept. 1. p. 312. S. aspera, Bieb. fl. taur. 1. p. 

 314. exclusive of the synonymes. Hirculus flagellaris, Haw. enum. 

 sax. p. 41. Stem leafy, 1-5-flowered. Radical leaves crowded, 

 all ciliated on the margins, with cartilaginous spinules : calyx 

 and pedicels clothed with glutinous down. Flowers yellow, size 

 of those of S. Hirculus (f. 42.). 



Var. a; stem 1-5-flowered; ovarium free from the calyx; 

 sepals oblong. l/.H. S. flagellaris, Willd. ex Sternb. sax. p. 

 25. t. 6. Bieb. fl. taur. 3. p. 291. Ledeb. fl. ross. alt. ill. t. 321. 

 S. aspera, Bieb. fl. taur. 1. p. 314. S. myosotidifolia, Pall, ex 

 Spreng. syst. 2. p. 364. 



Var. ft; stem 1-flowered ; ovarium adhering to the calyx at 

 E e 2 



FIG. 42. 



