Geum.] XLI. HOSACE.E. 429 



Tasmania. Southeru Alps, Oldfield; Mount Lapeyrouse, C. Stitart. This fine species 

 belongs to the section Sieversia^ hy some ranked as a genus, hut differing only iu the style 

 not produced heyond the twist, 



4. POTETJ'TILLA, Liiln. 



Cahx-tulje short, open-; lobes 5 or rarely 4, valvate, with as many external 

 accessary lobes alternating with them. Petals 5, rarely 4, broad, spreading. 

 Stamens indefinite. Carpels indefinite, with 1 erect ovule in each; style 

 terminal or lateral, decidnous. Fruit a head of small dry seed-like achenes, 

 surrounded by the persistent calyx, the receptacle scarcely enlarging. — Herbs 

 with a perennial tufted stock, and occasionally creeping stolons or runners. 

 Flowering stems usually short. Leaves either digitately 3- or 5-foliolate or 

 pinnate] leaflets toothed. Peduncles 1-flowered, solitary or in a loose ter- 

 minal 



cvme. 



The species are numerous, dispersed over the vvliole of the Borlliern hemisphere without 

 the tropics, especially iu Europe aud Asia, extending into the mountains of E. India, and de- 

 scending along the Andes into S. America, and one or two species only, and those the same 

 as northern ones, are found in the estratropical regions of the southern heuusphere, in- 

 cluding New Zealand. The only Australian species extends over the greater portion of the 

 area of the genua. 



1. P.'anserina, Zinn. ; DC. Prod. ii. 582. Stock tufted, with long 

 creeping rumiers rooting at the nodes. Leaves pinnate, with numerous ob- 

 long, deeply notched leaflets, either green and slightly silky on the upper side 

 and of a shining silvery-white underneath from the silky down with which 

 tliey are covered, or very white on both sides. Peduncles long, solitary at 

 the nodes, bearing a single rather large ycUov/ flower.-^llook. f. Fl. lasm. 



Victoria. Searle's Cove, F. 3IueUer ; Fitzroy river, Bobertson ; mouth of the Glenelg, 

 Allitt. ■' 



Tasmania. Port Dairy niple aud Dcrwcnt river. R. Brown; Circular Head and else- 

 where on the N. and W. coasts, rarer to the southward, /. D. Hooker. 



The species is widely dispersed over the extratropical regions of both the northern aua 

 southern heuiispheres, including New Zealand. 



5. BUBUS, Limi. 



Calyx-tube short, open; lobes 5, imbricate, without externd accessary 

 ones. Petals 5, erect or spreading. Stamens indefinite. Carpels indefinite, 

 ^ith 2 pendulous ovules in each, one of them smaller and abortive; styles 



erminal. Fruit a head of succulent carpels, forming a kind of gvanukted 

 '^eny round the conical or shortly oblong dry or spongy receptacle.^ Weak 

 scrambling shrubs or rarely prostrate and almost herbaceous, usually pnckly 

 Leaves pinnately or palmately divided into distinct segments or_ leaflets or 



obed only, the \ohJ or segments toothed. Flowers axillary or in terminal 

 'eafy panicles. . , ,. 



. A considerable genus, dispersed over most parts of the globe. Of *he ^ve „^;'„^'[i"i"„rT; 

 ««', one extends over Africa and the warmer parts of Asm, one '\<=°"^T" '"^^'^VJ^^^^^^ 

 ^f^l"peIago, one is abundant iu China, but not in the intervening Ach.pelago, and two are 

 enutmic. The fruits of several are edible hut acid. ^ v C ' 



Alarmed dwarf dabrous creeping plant. Ilowers yellow . . • • \. R- i^unmanm. 



