216 
radical ones rosulate, glabrous ; cauline leaves cuneated, clothed 
with glandular hairs. Pedicels 1-flowered, and are as well as the 
calyxes clothed with viscid hairs. Petals obovate, dark purple. 
Genitals inclosed in the calyx. 
Middle Saxifrage. PJ. + to 4 foot. 
83 S. Larryrov'su (D. Don, in Lin. trans. 13. p. 397.) 
radical leaves aggregate, lingulate, quite entire, with cartilagi- 
nous margins ; flowers panicled; petals obovate, quite entire, 
connivent, longer than the calyx. 2.H. Native of the Py- 
renees, on calcareous rocks. S. lùteo-purpùrea, Lapeyr. pyr. 
sax. p. 29. t. 14. S. ambígua, D. C. Peduncles and calyxes 
clothed with purple down. Very like S. mèdia, but differs in 
the flowers being panicled, and citron-coloured. Said to be a 
hybrid between S. mèdia and S. aretioùdes. 
La Peyrouse’s Saxifrage. Pl. 4 to } foot. 
84 S. aretioipes (Lapeyr. pyr. sax. p. 28. t. 13.) leaves 
aggregate, linear-lingulate, upright, mucronulate, keeled, glau- 
cous, with cartilaginous margins; stem clothed with clammy 
tomentum ; petals linear-spatulate, crenulated at the apex. Y. 
H. Native of the Pyrenees, on calcareous rocks. Chondròsea 
aretioides, Haw. enum. sax. p. 14. Plant densely tufted. Leaves 
imbricate, ciliately toothed at the base, with a few perforated 
dots near the margin. Flowers by threes, goiden yellow. Pe- 
dicels and calyxes clothed with clammy down Calycine seg- 
ments ovate, acute. Very like the two precedin s species, but 
the plant is much smaller. 
Aretia-lke Saxifrage. 
§ 3. 
85 S. prapensiorpes (Bellardi, in act. acad. taur. 5. p. 227.) 
stems, peduncles, and calyxes glandular; leaves linear, erect, 
keeled, aggregate, imbricated, cretaceously glaucous; stem 
many-leaved, tew-flowered ; calycine segments elliptic-oblong. 
u. H. Native of the Alps of Piedmont and Switzerland. 
Lapeyr. append. fl. pedem. p. 21. t. 3. Sternb. sax. p. 35. t. 9. 
Chondròsea diapensioides, Haw. enum. sax. p. 13. S. ce'sia 6, 
Lam. dict. 4. p. 676. Plant densely tufted. Leaves with car- 
tilaginous margins, ciliated at the base, and with 1 or 2 perfo- 
rated dots at the apex, which is obtuse. Flowers 3-4 or 5, cam- 
panulate, white, disposed in a terminal head. Petals narrow at 
the base, with an orbicular, 5-nerved limb. 
Diapensia-like Saxifrage. Fl. April, Ju. Clt. 1825. P1.4 ft. 
86 S. seuarròsa (Sieb. in fl. 1821. p. 99. and fi. austr. exsic. 
no. 133.) stem pubescent below, usually 3-flowered; leaves 
linear-elliptic, rather retuse, stiff, squarrosely imbricated, per- 
manent, when young powdery; branches diffuse, flaccid; pe- 
duncles and stems glabrous. Y. H. Native of the Alps of 
Tyrol. Flowers white, larger than those of S. c@‘sia. Lobes 
of calyx broader than in S. ce‘sta and S. diapensiotdes. 
Squarrose-\eaved Saxifrage. Pl. 4 foot. 
87 S. ramuxosa (Wall. cat. no. 446.) plant densely tufted ; 
stems 1-flowered, very short; leaves of the barren stems or 
surculi acute and flattish at the apex, lined with rugged dots ; 
the upper surface of the leaves have a regular marginal, double 
line of dots; margins of leaves thin and cartilaginous; lobes 
of calyx acute ; styles nearly parallel, longer than the calyx ; 
stigmas thickish, capitate. %. F. Native of Nipaul, at Bhud- 
drinath. Very nearly allied to C. cæ`sia, but perfectly distinct. 
Branched Saxifrage. Pl. 1 inch. 
88 S. cæ sia (Lin. spec. 571.) plant greenish glaucous; stems 
and peduncles smoothish ; leaves linear-oblong, aggregate, re- 
curved, keeled, the upper surface with marginal dots regularly 
disposed; petals roundish, unguiculate; stems few-leaved, 
many-flowered. 2%. H. Native of the Alps of Switzerland, 
Austria, and the Pyrenees. Jacq. austr. t. 374. Scop. carn. 
Fl. May, Jul. Cit. 1826. Pl. 2 ft. 
Leaves triquetrous, obtuse. 
SAXIFRAGACEE. 
I. SAXIFRAGA. 
ed. 2. p. 495. t. 15. - Sternb. rev. sax. p. 34. t. 9..f. 1-9: 
and in Sturm, deutschl. fl. p. 33. n. 16. with a figure. Lodd. 
bot. cab. 421. S. recurvifolia, Lapeyr. pyr. sax. p. 80. 
—Segu. ver. p. 449. t. 9. f. 2. Chondrosea cz'sia, Haw. enum. 
sax. p. 14.—Scheuch. alp. p. 49. 141. t. 21. f. 1. Surculi 
short, erect, forming compact tufts. Leaves concave above 
and keeled beneath, perforated by numerous minute holes, cili- 
ated: cauline ones few, scale-formed. Flowers milk-coloured, 
disposed in a small panicle. Pedicels and calyxes with a few 
short, glandular hairs. Calycine segments very blunt. Genitals 
shorter than the corolla. 
Var. B, patens (Ser. in D.C, prod. 4. p. 22.) leaves loosely 
rosulate, not recurved at the apex, with a few crustaceous spots ; 
stems short, usually 2-flowered. 4. H. Native of Vallais, 
on Mount Fouly. S. patens, Gaudin. in Meisner, anz. 1818. 
p- 65. fl. helv. 3. p. 92. but not of Sternb. rev. sax. suppl. 1. 
t. 1. f£. 2. Chondrdsea patens, Haw. enum. sax. p. 14. There 
is a variety of this without any stem and with 1 sessile flower in 
the middle of the leaves, which is a native of Upper Styria, and 
is described by Vest, in flora. 1820. no. 26. p. 397. 
Grey Saxifrage. Fl. May, June. Clt.1752. Pl. 4 to} ft. 
89 S. Rocwexia'na (Sternb. suppl. sax. 2. ex Host, fl. austr. 
1. p. 501.) flowers corymbose ; sepals ovate ; petals lanceolate- 
ovate, twice the length of the calyx; lower leaves lingulate, 
glabrous, ciliated at the base, disposed in tufts: cauline ones 
clothed with clammy villi, pale green. Y%. H. Native of 
Austria, in the fissures of rocks. Leaves white at the edges, 
and with distinct impressed dots. Flowers white. Perhaps a 
variety of S. ce‘ sia or S. Valdénsis. 
Rochel’s Saxifrage. Pl. 4 to 4 foot. 
90 S. Varpr’nsis (D. C. fl. fr. 5. p. 517.) peduncles and 
calyxes very clammy, and beset with glandular hairs; leaves 
of the surculi and stems flat at the base, but more or less tri- 
quetrous at the apex, with the upper surface marked with dots, 
which are disposed without order. 24. H. Native of the Alps 
of Lyons, on the hill called Lacroix, near Abries and Pignerol ; 
and on Mount Cenis. S. rupéstris, Thomas, exsic. 8. cee'sia, 
var. Willd. spec. 2. p, 642. in a note. S. ce'sia y, Moretti, 
tent. sax. p. 12. Flowers white, corymbose; peduncles short. 
Leaves dense, short. 
Var. B, laxif dlia (Ser. in D. C. prod. 4. p. 22.) leaves loose, 
elongated; flowers very numerous, loose, disposed in panicled 
corymbs. Y%. H. Native of Portugal and Italy. S. cæ'sia, 
var. ex alpibus Italicis, Lin. mant. p. 381. but not of his spec. 
S. cæ'sia B, major, D. Don, in Lin. trans. 13. p. 403. S. com- 
pacta, Sternb. suppl. 1. p. 9. t. 1. f. 3. under the name of S. 
patens. 
Lyons Saxifrage. Fl. May, June. Clt.? Pl. 4 foot. 
91 S. SERPYLLIFÒLIA (Pursh, fl. amer. sept. 1. p. 310.) sur- 
culi creeping; leaves rosulate, imbricately reflexed, oblong, 
obtuse, tapering into the petiole, coriaceous, quite glabrous; 
stem filiform, few-leaved, beset with glandular pubescence, ir 
flowered ; calycine segments obtuse, not adhering to the ova- 
rium; petals broadly obovate, semewhat 3-nerved. %. H. 
Native of the north-west coast of America, at Cape Newnham, 
Behring’s Straits, and Unalaschka. S. Fischèri, Ser. 1 D. C. 
prod. 4. p. 22. S. Eschchóltzii, Cham. in litt. S. planif òlia, 
Cham. in herb. Hook. S. diapensioides, Fisch. in litt. but not 
of Bellardi. Plant green, tufted. Flowers large for the plant, 
apparently yellow, solitary, on slender, few-leaved, glandular 
stalks. Calyx wholly inferior. 
Wild-thyme-leaved Saxifrage. Pl. 4 foot. 
§ 4. Leaves triquetrous, mucronately pungent. 
92 S. NÍTIDA (Schreb, in litt. ex Sternb. rev. sax. p- 32. t 10. 
