436 2 ANUNCULACEAE. [ Ranunculus. 
Small, stemless, 14in. high at most. Leaves rosulate, 3-lobed 
or -partite, exceeding the fiower .. os es h: 
Small, slender, 3-6in. high. Leaves trifoliolate; leaflets all 
stalked, obtuse. Achenes few, 3-5 “s es, A 
Stems short, simple. Leaves ail radical, usually toothed or 
3-5-lobed, rarely partite. Scapes 1-5, longer than the leaves. 
Sepals spreading a ne he c .. 28. R. lappaceus. 
Stems branched, hirsute, leafy. Leaves coarsely toothed or 
3-lobed, Scapes radical and axillary, not exceeding the leaves 29. R. foliosus. 
Erect or suberect, clothed with short stiff appressed hairs. 
Leaves deltoid-cordate, 3-partite. Scapes 1-3-flowered, longer 
or shorter than the leaves. Sepals spreading En .. 380. R. subscaposus. 
Erect, strigose-hirsute. Leaves rounded -reniform, 3-partite. 
Scapes 1-3, 1-flowered. Achenes compressed ; margins not 
thickened = se hg a oe .. 3l. R. aucklandicus. 
26. R. recens. 
27. R. Kirkiv. 
D. Stems creeping, or with prostrate stolons. Achenes glabrous, not muricate. 
Stems robust, branched, prostrate and rooting at the nodes. 
Leaves 3-toothed or -lobed. Scapes short, axillary ivf 
Stems weak, matted, often rooted at the nodes, Leaves tufted, 
trifoliolate; leaflets often again divided, small. Flowers 
minute as = so ne ae .. 33. RK. ternatifolius. 
Small, depressed, stoloniferous, 1d in. high. Leaves ternatisect or 
multisect, segments narrow-linear. Scapes naked, i-flowered. 
Flower small oA ps + .. 34 R. depressus. 
Small, much depressed, I}in. high. Rootstock creeping, much 
branched. Leaves cuneate. Scape l-flowered. Flower small 35. R. pachyrhizus. 
Stem fistulose, creeping and rooting at the nodes, Leaves on 
petioles 6-18in. long; blade 3-5-partite, 1-24in, diam. ; 
segments broad si fe ve a .. 36. R. macropus, 
Stems creeping and rooting at the nodes or floating. Leaves on 
petioles 1-6in, long; blade 3-5-partite, 1-1, in, diam; seg- 
32. R. Cheesemanii. 
ments usually narrow .. We + ee .. 37. RB. rivularis. 
Stems creeping and matted, Leaves small, 3-foliolate. Scapes : 
shorter than the leaves, 1-flowered Dy S, .. 38. R. acaulis. 
Stems creeping and rooting at the nodes. Leaves fleshy, reniform, 
3-lobed or -partite dss = + ae .. 39. R. biternatus. 
Stems filiform, creeping and matted, Leaves linear-spathulate, 
entire. Flowers minute, tetramerous s i .. 40. R. Limosella. 
E. Achenes muricate or tuberculate. 
Small, annual. Stems slender, branched. lowers minute, 
almost sessile, opposite the leaves »6 % .. 41. R. sessiliflorus. 
1. R. Lyallii Hook. f. Handb. N.Z. Fl. (1864) 4.—A tall, erect, ex- 
ceedingly handsome plant, with a paniculately branched flowering stem 
i-4 ft. in height. Rootstock stout, with long fleshy roots. Radical leaves 
on long stout, petioles with broad silky sheathing bases ; limb 6-15 in. diam., 
orbicular, peltate, concave, crenate, coriaceous, glabrous or with a few 
weak hairs. Cauline leaves few, sessile, lower reniform, upper cuneate- 
rhomboid or oblong-cuneate, lobed and crenate. Leaves of young plants 
not peltate, reniform to rhomboid, cuneate at the base. Pedunecles stout, 
villous, with 1-2 linear bracts. Flowers numerous, 2-3in. diam., white, 
more rarely cream-coloured, Sepals 5, broad, villous. Petals usually 
numerous, cuneate-obovate, with an obscure gland at the base. Stamens 
many, short; anthers oblong. Receptacle oblong, cylindrical, hairy. 
Ripe achenes forming a head ? in. diam., oblique, turgid, villous, narrowed 
into long slender flexuous styles.—Bot. Mag. (1886) t. 6888 ; T. Kirk Students’ 
FI. (1899) 7; Cheesem. Man. N.Z. Fl. (1906) 9; Tl. N.Z. Fl. i (1914) t. 3. 
: Miah. 
a Var. Travers maller. Leaves 5-7 in. diam., doubly crenate, and with two 
incisions near the base. Flowers cream-coloured.—R. Traversii Hook. f. Handb. N.Z. 
Fl. (1864) 4; 7. Kirk Students’ Fl. (1899) 7. : 
