528 



ROSACEvE. III. SIEVERSIA. IV. COLUKIA. V. COWANIA. 



pinnatifid, uppermost ones trifid. If.. H. Native of Gosaings- 

 than. Geum adnatum, Wall. cat. no. 712. Like S. rcptans. 

 Adnate Sieversia. PI. ^ foot. 



5 S. Rossn (II. Br. in clil. melv. p. 18. t. C.) radical leaves 

 interruptedly pinnate, glabrous ; leaflets 3-lobed, but the acces- 

 sory and lower ones are small and undivided ; stem 1 -flowered, 

 usually 2-leaved ; awns of carpels naked. 1 . H. Native of 

 Melville Island. Geum Rossii, Ser. in D. C. prod. 2. p. 553. 

 Flowers large, yellow, distinctly veined. 



Ross's Sieversia. PI. ^ foot. 



6 S. GLACIA'LIS (Spreng. syst. 2. p. 543.) whole plant densely 

 clothed with yellowish villi ; leaves interruptedly pinnate ; leaf- 

 lets ovate-oblong, upper and lower ones small, middle ones 

 large and usually unidentate ; flowers large, terminal, solitary. 

 I/. . H. Native of Siberia, on the Alps at the mouth of the river 

 Lena. Adamia glacialis, Fisch. ex Steud. nom. Geum glaciale, 

 Adams, act. mosk. 5. p. 96. Flowers large, yellow. Allied to 

 S. reptans according to Adam. 



Icy Sieversia. Fl. May, Aug. Clt. 1819. PI. | foot. 



7 S. MONTA'NA (Spreng. syst. 2. p. 543.) stem erect, 1-flow- 

 ered ; stolons none ; radical leaves interruptedly pinnatifid, ter- 

 minal leaflet ovate, large, oblong, obtuse, and bluntly biserralc, 

 lateral leaflets smaller and toothed; cauline leaves 1-lobed, and 

 are as well as the stipulas deeply toothed ; calycine segments un- 

 divided ; petals obcordate, longer than the calyx ; styles spread- 

 ing, very pilose. TJ. . H. Native of the Alps of Europe, Swit- 

 zerland, Austria, Silesia, Dauphiny, &c. Geum montanum, Lin. 

 spec. 717. The leaflets becoming gradually smaller from the 

 apex. Flowers large, yellow. Jacq. austr. 4. t. 373. Sturm, 

 deutsch. fl. fasc. 14. with a figure. 



far. ft, minus (Pers. ench. 2. p. 57.) stems and leaves smaller 

 than those of the species. I/ . H. Native on the higher Alps 

 of Europe. G. alpinum, Mill. diet. no. 5. Barr. icon. t. 399. 



Mountain Sieversia. Fl. May, Sept. Clt. 1597. PI. A foot. 



8 S. TRIFLORA (R. Br. in clil. melv. p. 18.) plant pilose ; stems 

 simple, usually 3-flowered ; radical leaves interruptedly pinnate, 

 leaflets cuneated, and deeply toothed ; petals oblong, length of 

 the calyx ; awns of carpels long, and villous. Tf. H. Na- 

 tive of Upper Louisiana. Hook. bot. mag. t. 2858. Geum tri- 

 florum, Pursh. fl. amer. sept. 2. p. 736. Leaves connate at the 

 base. Stipulas divaricate, adnate to the petiole. Petals reddish? 



Three-flowered Sieversia. Fl. June. Clt. 1826. PI. \ foot. 



9 S. PE'CKII (R. Br. in chl. melv. p. 18.) plant smoothish ; 

 stem 1-5-flowered ; radical leaves pinnate ; lateral leaflets small, 

 ovate, and toothed, terminal one reniform-cordate, lobed, large, 

 doubly toothed ; cauline leaves almost wanting ; petals obo- 

 vate, longer than the calyx. 1J. . H. Native of North America, 

 on the white hills in New Hampshire. Hook. bot. mag. t. 2863. 

 Geum Peckii, Pursh. fl. amer. sept. 2. p. 554. 



Peck's Sieversia. Fl. June, Aug. Clt. 1826. PI. f foot. 



10 S. CILIA'TA ; plant pubescent; stem simple; leaves 

 smoothish, pinnate, with ciliated margins ; upper leaves palmate, 

 with linear-cut leaflets ; flowers corymbose. 7 . H. Native 

 of North America, on the banks of the river Kooskoosky. 

 Geum ciliatum, Pursh. fl. amer. sept. 1 . p. 352. Flowers yellow. 



Citoerf-leafletted Sieversia. Fl. Ju.July. Clt. 1818. PL 1ft. 



US. RADIA'TA ; plant very hairy; stem simple; radical 

 leaves pinriate ; the terminal leaflet very large, radiantly nerved; 

 cauline leaves stem-clasping, and deeply jagged ; petals obcor- 

 date, cuneated; awns of carpels glabrous. Tj.. H. Native of 

 the high mountains of Carolina, and on the west coast of Ame- 

 rica. Geum radiatum, Michx. fl. bor. amer. 1. p. 300. Flowers 

 yellow. 



.Ray-leaved Sieversia. Fl. June, July. Clt. 1815. PI. 1 ft. 



12 S. CAROLINIA'NA ; stems decumbent, a little branched; 

 radical leaves obtuse, serrated, sub-pinnate ; terminal lobe large, 



lateral ones small ; cauline leaves ovate-lanceolate, serrated, 

 hairy, on short petioles; flowers erect; petals ovate. I/. H. 

 Native of Carolina. Geum Carolinianum, Walt. fl. carl. 150. 

 Flowers white. 



FIG. 70. 



13 S. PARADOXA (D. Don, in 

 Lin. trans. 14. p. 576. t. 22. f. 2.) 

 leaves in fascicles, linear, obtuse, 

 sessile, entire or 3 or 5-cleft ; 

 flowers sub - corymbose ; styles 

 plumose ; stem shrubby. Jj . G. 

 Native of Mexico. Geum cerco- 

 carpoides, D. C. prod. 2. p. 554. 

 A branched stiff" shrub, with large 

 yellow flowers, (f. 70.) 



Paradoxical Sieversia. Shrub 

 1 to 3 feet. 



Cult. For culture and propa- 

 gation see Geum. S. paradoxa 

 should be treated in the way re- 

 commended for Conania. 



IV. COLITRIA (from KoXovpos, Icolouros, deprived of a tail ; 

 the seed is without the tail so conspicuous in the three preceding 

 genera). R. Brown, chl. melv. 1. p. 392. Led. fl. alt. 2. 

 p. 262. 



LIN. SYST. Icosandria, Polygyma. Calyx campanulate, 10- 

 cleft, the 5 outer segments accessory. Petals 5, cordate, orbi- 

 cular. Filaments inserted in the throat of the calyx, permanent. 

 Ovaries numerous. Styles straight, thickened at the base, and 

 articulated with the ovary. Carpels tailless, scrobiculately 

 wrinkled, inclosed in the calyx. A small plant, with interrupt- 

 edly pinnate leaves, the terminal leaflets large, the lateral ones 

 unequal in size and shape, all canescent beneath, cauline leaves 

 trifid or entire. Stipulas connate, entire. Stem 1-3-flowered. 

 Flowers yellow. 



1 C. OEOIDES (R. Br. 1. c.) 1 . H. Native of Siberia, on 

 rocks in the less elevated mountains. Dryas Geoides, Pall. itin. 

 3. append. 732. t. Y. f. 1. Geum Laxmanni, Gaertn. fruct. 1. 

 p. 352. t. 74. f. 1. Geum potentilloides, Ait. hort. kew. ed. 1. 

 vol. 2. p. 219. Caryophyllata potentilloides, Lam. ency. 1. p. 

 395. Laxmannia geokles, Fisch. mss. Laxmannia potentil- 

 loides, Fisch. ex Steud. nom. 



Geum-llke Coluria. Fl. May, Ju. Clt. 1780. PI. to-i foot. 



Cult. A light soil suits this plant best, and it is easily pro- 

 pagated by dividing at the root, or by seed. 



V. COWA'NIA (in honour of James Cowan, who, as a mer- 

 chant, had several times visited Mexico and Peru, from whence 

 he has introduced a great many plants, now common in our gar- 

 dens). D. Don, in Lin. trans. 14. p. 574. 



I/IN. SYST. Icosandria, Polygynia. Calyx 5-cleft. Petals 5. 

 Stamens indefinite. Ovaries 5-11, densely villous, adnate to the 

 bottom of the calyx. Ovula erect. Styles terminal, continuous. 

 Carpels or akenia awned by the plumose permanent styles. 

 Embryo erect. A much branched shrub, with alternate small 

 linear coriaceous leaves, with entire revolute edges, glandular 

 above, and clothed with white wool beneath, dilated and tripartite 

 at the apex ; segments linear, blunt, with revolute edges. Sti- 

 pulas twin, membranous, dilated, entire, silky, adnate by the 

 base to the petiole, but free and acuminated at the apex. Flowers 

 yellow, numerous, sessile, solitary on the tops of the branches, 

 about the size of those of Potentilla fruticusa. 



1 C. MEXICA'NA (D.Don, 1. c. t. 22. f. 1.) ^ . G. Native of 

 Mexico. Geum dryadoides, D. C. prod. 2. p. 554. 



Mexican Cowania. Shrub 1 to 2 feet. 



