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LI. ROSACEiE. 



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345 



1 1* ^; l>altonlana, J. Gay in Ann. Sc. Nat. Ser. 4. viii. 204 ; smaUer, 

 Slender, hairy or nearly glabrous, runners filiform, leaflets petiolulate with few 

 teeth, flowers solitary, fruit elongate-ovoid or fusiform, calyx-lobes and bracte- 



01^ toothed spreading in fruit. F. sikkimensis, Kurz in Jaurn. As. Soc. Beng. 

 ■io7o, u. 206, " 



; : .SiKKiM HiMAXAVA. alt. 10-15, 000 ft., J. JD. K, Kwrz, &c. 



A very distinct species, at once recognizable by its smaller proportions, petiolulate 

 /eatlets with few teeth, toothed calyx-lobes, bracteoles, and curious fruit, which is 

 on^n nearly 1 in. by \ in. broad, of a bright scarlet but with little flavour. 



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11. POTBNTIIiliA, Zmn. Cinquefoil. 



.rerennial herbs^ rarely shrubs. Leaves compound; stipules adnata to the 

 petiole. Flotvers white or yellow, rarely red, solitary or in corymbose cymes. 

 ^mx persistent, 5- rarely 4-bracteolate ; lobes as many, valvate in bud, Pe~ 



<^« as many, sometimes narrow. Stamens many, rarely tew and definite. Disk 

 annular or coating the calyx-tube. Carpels many, rarely 1 or few, on a small 

 p receptacle ; style persistent or deciduous, ventral or terminal ; ovule 1, pen- 



luous.^ Achenes many, on a dry receptacle. — Distrib. N. temp., Arctic, and 

 niouutain regions, very tew are found in the south ; species 120. 



j. Ihe species of PoteniiUa^revevy difficult of discrimination, being chiefly mountain 

 mtf T^^'^"S ^° habit and stature with elevation, much as Ranunculi do. I have no 

 ' and 1-K ^^ several here regarded as peculiar, will prove forms of more western ones, 

 „T^ .^.*® ^g*iinof one wide spread European, Asiatic, and American plant. Lehman's 

 ^visio Potentillarum " is of little scientific value, and the 200 species it enumerates 

 «^ reducible by at least one-third. Boissier in his ** Flora Orientalis" has done ex- 

 that^^f^^^'^ The character of the calyx and petals are excessively variable, and 

 cam*? terminal and ventral style is not so good us might be supposed, the outer 



ach ^^^^ differing somewhat from the inner in this respect. Smooth and wrinkled 

 of f^^^ ^r® "ot always definite characters. I am inclined to think that the structure 

 inf J!f ®^^^^a is useful as a guide to the affinities of the species, but I hesitate to 

 ^troduce it withnnf o .^..A.r r% fi.. ^'Ur^r. «.^„c 



without a study of the wbole genus. 



Stamens 4, 5 or 10. Flowers often unisexual. 



^S\\ 



Sficx. I. Sibbaldia. 



Leaves simple. 



K J- ^- trulllfolla, Hook.f.i, forming dense silky moss-like tuftsjeaves 

 owel^shaped or A-orbicular tip truncate 3-fid, stamens 5, achenes many smooth, 

 ^fes short ventral. 



SiMiM Himalaya; rocky places on the Tibet frontier, alt. 16-17,000 ft., J. D. H. 

 slenH "^^^*^eJ. an inch high, soft, of densely packed short branches from a v^oody 

 wi^T ^*^^^****^^k. Leaves i in., densely imbricated, flat, clothed on both surfaces 

 "** ^ong silky hairs, tip with 3 broadly triangular obtuse te^th ; petiole short ; 



«olf^^ ^^7 broad, membranous, with triangular acute free 

 &aw?^1^*^^®-' bracteoles much smaUer, narrow, oblong, obtuse. 



portions. Flowers 



subsessile. i in. d\&m. baiyx hemispheric, silky; tube very short; lobes 

 ■ . . . Petals not seen. 



l^te, obtus 



laio^g'' '■"'^^^^ts of I seen.' 



Achenes about 10, on a villous receptacle, quite 



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; ^aves digitately 3- or 5-foliolate. 

 J^^*. Sibbaldl, Haller f. in Ser. Mus. Helvet, i. 61 ; leaflets 3 obovate- 



^S^ *^^^ate 3^6-tid, flowers in branched cymes yeUow 5-merous, 

 ^} style short Tentral. P. procumbens^ Clairv. Man. (THerbor. < 



achenes 

 en Suiise 



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