222 



SAXIFRAGACE^:. I. SAXIFRAGA. 



nished with some viscid villi afterwards. Surculi very short, 

 very leafy. Stems erect, few-leaved, few-flowered, purplish, 

 beset with glanduliferous hairs. Petioles slender, ciliated. Pe- 

 dicels and calyxes clothed with viscid down. Petals triple- 

 nerved : nerves simple. Flowers white ; filaments green. 

 Tridentate-\eaved Saxifrage. Fl. May, June. PI. ^ foot. 



137 S. ANDI'COLA (D. Don, in Lin. trans. 13. p. 427.) plant 

 very villous ; radical leaves trifid : segments lanceolate, acute : 

 upper surculine leaves linear, simple, acute ; calycine segments 

 ovate, acute ; petals obovate-orbicular, with branched nerves. 

 If. F. Native of Peru, in very cold places on Mount Rucu- 

 Pichincha, at the elevation of 4000 or 5000 feet. H. B. et 

 Kunth, nov. gen. amer. 6. p. 48. t. 519. S. villbsa, Pavon, mss. 

 S. Cordilleriana, Presl, in Haenk. reliq. 2. p. 55. Plant densely 

 tufted. Surculi short, decumbent. Stems erect, leafy, 3-4- 

 flowered, clothed with viscid villi. Lower cauline and surculine 

 leaves 3-parted. Flowers milk-coloured, subcorymbose. Calyx 

 densely clothed with glandular hairs. 



Andes Saxifrage. PI. -^ foot. 



138 S. CJESPITOSA (Lin. spec. 578.) radical leaves aggregate, 

 5-3-parted or undivided : segments linear-lanceolate, obtuse ; 

 stems few-leaved, few-flowered ; calycine segments ovate, ob- 

 tuse ; petals obovate-roundish, connivent. Tf.H. Native of the 

 Alps of Lapland, Sweden, Switzerland, Norway, and the Pyre- 

 nees ; also of the north-west coast of America, Kotzebue's Sound, 

 Arctic sea-shore, and of Greenland. In Wales and Ireland on the 

 loftiest mountains ; on the rocks of Troll du Cwn Idwell, North 

 Wales ; on the lofty summits of Brandon mountains, county of 

 Kerry. Gunn. fl. norv. no. 1047. t. 7. f. 3. Smith, engl. bot. 

 t. 794. S. Groenlandica, Lin. spec. p. 578. Gunn. fl. norv. p. 

 689. t. 7. f. 1. Lapery. pyr. sax. p. 39. t. 19. Dill. elth. p. 

 337. t. 353. f. 329. Muscaria caespitosa, Haw. enum. sax. p. 

 37. Plant densely tufted, beset with glanduliferous hairs. Sur- 

 culi short, very leafy. Stems 1-3-flowered, but in cultivation 

 usually 4-flowered. Lower cauline leaves palmate, upper ones 

 for the most part 3-parted. Pedicels and calyxes clothed with 

 viscid down. Flowers rather large, milk-coloured ; filaments 

 yellow ; petals triple-nerved ; nerves simple : lateral ones curved. 



Tufted Saxifrage. Fl. June, July. Wales. PI. \ foot. 



139 S. UNIFLORA (R. Br. in Parry's first voy. append, p. 

 275. but not of Sternb.) radical leaves aggregate, trifid: cauline 

 ones linear, undivided, distant; stem one-flowered, and is, as 

 well as the inferior ovarium, viscid ; down glandular, very 

 short; calycine segments obtuse ; petals obovate-oblong. Tf.. H. 

 Native of the Arctic Islands. S. caespitosa, R. Br. in Ross' voy. 

 ed. 2. vol. 2. p. 192. S. caespitosa ft uniflora, Hook. fl. bor. 

 amer. 1. p. 244. S. venosa, Haw. enum. sax. p. 28.? Flowers 

 milk-coloured. 



One-flowered Saxifrage. PI. ^ foot. 



140 S. STELLA' TA (Pavon, mss. ex D. Don, in Lin. trans. 13. 

 p. 430.) leaves very numerous, adpressedly imbricated, 5-cleft 

 or trifid : segments linear-oblong, obtuse; stem few-flowered; 

 calycine segments ovate, acute ; petals obovate. 3f . F. Native 

 of Peru, on the Andes in very cold places. Plant densely tufted. 

 Habit of Fragbsa tomentbsa, beset with glanduliferous hairs. 

 Stems erect, 2-flowered. Cauline leaves simple, obtuse. Pe- 

 tioles dilated. Flowers largish, milk-coloured. Calyx clothed 

 with glandular down ; petals obovate, triple-nerved : nerves 

 simple. 



Stellate Saxifrage. PI. 1 inch. 



141 S. BONPLA NDII (D. Don, in Lin. trans. 13. p. 431.) plant 

 pubescent ; leaves crowded, 5-cleft or trifid : segments linear, 

 obtuse ; calycine segments lanceolate, acute ; petals obovate. 

 If. . H. Native of the Cordillera of Peru, in cold places. S. 

 Peruviana, Bonpland in Sternb. sax. p. 55. t. 22. S. Cordil- 

 leriana ft Bonplandii, Presl, in reliq. Haenk. 2. p. 55. S. al- 



pina, Pavon, mss. Plant densely tufted, beset with short glan- 

 duliferous hairs. Surculi short, very leafy. Stems clothed with 

 glandular tomentum, as well as the calyxes, few-leaved. Lower 

 cauline leaves 3-parted : upper cauline ones undivided, linear- 

 lanceolate. Petioles narrow, short. Flowers white, terminal, 

 nearly sessile, by threes, rarely solitary ; petals triple-nerved : 

 nerves simple. 



far. ft, Hce^nkei; leaves densely glandular, 3-5-lobed : lobes 

 ovate; surculi nearly globose ; corymbs 6-1 0-flowered. %. F. 

 Nalive in valleys on the Cordillera of Peru. S. Cordilleriana 

 var. y Hae v nkei, Presl, in Haenk. reliq. 2. p. 55. 



Var. y, Idxa ; stems elongated ; leaves densely glandular, 3- 

 5-lobed, loosely imbricated : lobes ovate ; surculi cylindrical, 

 loose; corymbs many flowered. If.. F. Native of the Cordil- 

 lera of Peru, in valleys. Petals white. S. Cordilleriana S laxa, 

 Presl, in Haenk. reliq. 2. p. 55. 



Bonpland's Saxifrage. PI. 1 inch. 



142 S. MAGELLA'NICA (Poir. diet. 6. p. 686.) stems tufted, 

 procumbent ; leaves linear or trifid, much crowded, glabrous ; 

 floriferous branches naked, axillary, very short, l-flowered. If.. 

 F. Native of the Straits of Magellan. Muscaria Magellanica, 

 Haw. enum. sax. p. 38. Plant tufted. Stems leafy. Lower 

 leaves trifid. Flowers solitary, on short peduncles. Segments 

 of the calyx linear, obtuse. Petals obovate, twice the length of 

 the calyx. 



Var. a, integrifblia (Ser. in D. C. prod. 4. p. 24.) leaves spa- 

 tulate, usually entire : upper ones puberulous : lower ones gla- 

 brous. 



Var. ft, triloba (Ser. 1. c.) leaves all cuneated, 3-lobed at the 

 apex, clammy. If,. F. S. Magellanica, Sternb. rev. sax. p. 39. 

 t. 11. f. 1. 



Magellan Saxifrage. PI. -| foot. 



143 S. LANCEOLA'TA (Haw. syn. succ. p. 324. enum. sax. p. 

 240.) leaves glabrous, ciliated ; those of the surculi palmately 

 7-cleft : those of the stolons, which are very short and erect, 3- 

 5-cleft : cauline leaves lanceolate ; petals roundish, obovate. 

 2 . H. Native of the Alps of Europe. Flowers white. 



Var. ft, minor (Haw. enum. sax. p. 24.) leaves trifid and en- 

 tire : lower cauline ones lanceolate-spatulate ; petals oblong-cu- 

 neiform, distinct. If.. H. Two or three times smaller than 

 the species, and the leaves and petioles are very different. 

 Haw. 1. c. 



Var. y, obtusa (Haw. 1. c. p. 24.) leaves cuneiform at the 

 base or obovate : those of the rosulae deeply 1-5-toothed, and 

 brownish : those of the stolons usually abortive : lower cauline 

 leaves elliptic ; petals orbicularly obovate. If. H. 



Lanceolate-leaved. Saxifrage. Fl. May, June. Clt. 1800. PI. 

 | to | foot. 



144 S. DICHO'TOMA (Willd. in Sternb. sax. rev. p. 51.) radical 

 leaves reniformly cordate, palmately parted : segments linear ; 

 cauline leaves nearly sessile, cuneated, 3-5-parted ; flowers in 

 dichotomous panicles ; peduncles and calyxes pilose ; calycine 

 lobes lanceolate, acute, length of the tube. If. . H. Native of 

 Spain. Haw. enum. sax. p. 27. Flowers white. 



Dichotomous Saxifrage. PI. i to J foot. 



145 S. EXARA'TA (Vill. dauph. 4. p. 674. t. 45.) plant pubes- 

 cent ; radical leaves 5 or 3-parted : those of the surculi 3- 

 parted : segments linear, very blunt, engraven above ; stem 

 many flowered ; calycine segments ovate-oblong, obtuse ; petals 

 obovate, with simple nerves. If. H. Native of the Alps of 

 Dauphiny, Savoy, Piedmont, and the higher Pyrenees ; also of 

 North America : frequent on the Rocky Mountains between lat. 

 52 and 56. S. nervosa, Lapeyr. pyr. sax. p. 63. t. 39. S. 

 hypnoides, All. pedem. no. 1538. t. 21. f. 4. S. intermedia, 

 Gaudin, fl. helv. 3. p. 122. S. striata, Hall. fil. in herb. Gaudin, 

 1. c. p. 129.? Plant densely tufted before flowering, afterwards 



