196 



ROSACEA. [Agrimonia, 



Note. — In the Botanical Register t. 1412, has just appeared a Potentilla from Dr. Richardson, under the 

 name of P. Missourica of " Homemann;" but which I am (luitc unable to distinguish from Dr. Richardson's 

 original specimens of P. Pemisylvanica. — H, 



14. SIBBALDIA. Ledeb. (SiBBALDiiE Spec. Linn.) 



Col, planiiisculus decemfidus (laciniis alternis accessoriis.) Cor. pentapetala : petala 

 lineari-spatliulata, Stam. 5-10. jS^^/Haterales, simplices, 5-10, Car yopses 5-10, liecep- 

 taculum subnudum. — Eglandulosw, petalis alhis vel Jlavidis, Ledeh. 



1. S. procumhens; foliis trifoliolatis, foliolis superne sequalibus cuneatis apice gi^osse den- 

 tatis pilosiusculis, floribus corymbosis, petalis calyce brevioribus. Linn, Sp, Pi, p. 406. 

 Pursh, Fl. Am. v. 1. p. 211. Torrey, FL of Un. St. v, 1. p. 330. Engl. Bot, t, 897. Cham, 

 in LinncBa, v. 2. p. 28. 



Hab. High Moimtains of Canada. Pursh. Prairies, and upon the heights of the Rocky Mountains, 

 between lat. 52° and SG'^. Drummond. Unalaschka. Chamisso. 



15. HORKELIA. Cham, et Schlecht. 



Cat, campanulatus, semidecemfidus, laciniis alternis accessoriis. Pet. 5, (parva, Cham.) 

 Stam. 10, biseriata, calycis parietibiis inserta. Receptaculum conicum siccum, villosum. 

 Ovaria indefinite numerosa. Styli simplices cum ovario articulati, subterminales. Achenia 

 calyce inclusa. Cham, et Schlecht, 



1. H, congesta; foliis radicalibus pinnatis, foliolis cuneato-oblongis apice incisis, calycis 

 laciniis exterioribus integerrimis, petalis calyce longioribus. — Douglas^ MSS, apud Herb. 

 Hort Soc. Lond. — Hooh. in Bot. Mag, t. 2880. 



Hab. Cape Mendocino, and on the low hills of the Xlmtqua River, California, lat. 41^^-12°. Douglas. 



16. CHAMiERHODOS. Bunge. (Sibbaldi^ Spec. Linn.) 



Col, campanulatus, 5-fidus. Cor. 5-petala : petala obovata. Stam. 5, Styli laterales, 

 (rarius 5) plerumque 10 vel plures, Caryopses 5, 10 pluresve. Beceptaculum villosum. — 

 Omnes glanduloso-pilosce, petalis albis purpureisve. Ledeb, 



1. C. erecta; herbacea pubescens, caulibus elongatis racemoso-paniculatis, foliis radicalibus 

 biter nato-multifidis, caulinis superioribus 3-5-fidisve laciniis lineari-filiformibus, floribus 

 pentandris 5-20-gynis5 petalis calycem excedentibus.— " Bunged — Ledeb, Fl, Altaic, v. 1. 

 p, 431. — Sibbaldia erecta. Linn. Sp. PL p. 406. Ptirshy Fl. Am. v, 2, p. 211. De Cand. 

 Prodr, V. 2. p. 586. — Amm. Ruth. p. 85. t, 25. 



Hab. About Carlton House on the Saskatchawan, {Dr. Richardson,) and among the Rocky Mountains, 

 between lat. 52°-56°, Drummond. 



17. AGRIMONIA. Toum. 



Col. tubus turbinatus foveolatus supra lappaceus, extus setis involucriformibus onustus, 

 fauce cum centrali foramlne obturata, limbo 5-fido. Pet. 5. Stam. 15. Carpella 2, stylo 

 terminal!. Achenia tubo cal, indurato inclusa membranacea, semine appenso. — Herbse, 

 foliis pinnatisectis, floribus racemoso-spicatis flavis^ bracteis trifidis. DC, 



!• A, Eupatoria; glabriuscula vel hirsuta, foliis interrupte pinnatis, foliolis oblongo- 

 ovatis grosse serratis, fructibus distantibus, tubo calvcis camoanulato superne setoso. Linn, 



