Ranunculus. | RANUNCULACES. 9 
D. Stems creeping, or with creeping stolons. Achenes glabrous, not muwricate. 
Stems robust, branched, prostrate and rooting at the 
nodes. Leaves 3-toothed or -lobed. a short, 
axillary .. .. 28. BR. Cheesemanii. 
Stems weak, matted, often rooting at the nodes. Leaves 
tufted, trifoliolate ; leaflets often again divided, small. 
Flowers minute .. a Sue = .. 29. KR. ternatifolvus. 
Small, depressed, stoloniferous, 14in. high at most. 
Leaves ternatisect or multifid, segments narrow-linear. 
Scapes naked, 1-flowered ; flower small aN .. 30. R. depressus. 
Small, much depressed, 14 in. high at most. Rootstock 
creeping, much branched. Leaves cuneate. Scape 
1-flowered ; flower large ‘ .. 31. A. pachyrrhizus. 
Stems fistulose, creeping and rooting at the nodes. Leaves 
on petioles 6-18 in. long; blade 3-5- aires 1-23 in. 
diam., segments broad : . 32. R. macropus. 
Stems creeping and rooting at the nodes or floating. 
Leaves on petioles 1- 6in. long; blade 3- _5-partite, 
1}-14in. diam., segments usually narrow a6 .. 33. R. rivularis. 
Stems creeping and matted. Leaves small, 3-foliolate. 
Scapes shorter than the leaves, 1-flowered sf 34. KR. acaulis. 
Stems creeping and rooting at the nodes. Leaves fleshy, 
reniform, 3-lobed or -partite 35. R. crassipes. 
Stems filiform, creeping and matted. Leaves linear- spathu- 
late, entire. Flowers minute, tetramerous .. .. 36. RB. limosella. 
EH. Achenes muricate or tuberculate. 
Small, annual. Stems slender, branched. Flowers 
minute, almost sessile, opposite the leaves .. .. 37. R. parviflorus, 
var. australis. 
1. R. Lyallii, Hook. f. Handb. N.Z. Fl. 4.—A tall, erect, ex- 
ceedingly handsome plant, with a paniculately branched flowering- 
stem 1-4 ft. in height. Rootstock stout, with long fleshy roots. 
Radical leaves on long stout petioles with broad silky sheathing 
bases; limb 6-15in. 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. Peduncles stout, 
villous, with 1—2 linear bracts. Flowers numerous, 2-3 in. 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 3 in. diam., 
oblique, turgid, villous, narrowed into long “slender flexuous styles. 
— Bot. Mag. t. 6888; Kirk, Students’ Fl. 7. 
Var. Traversii.— Smaller. Leaves 5-7in. diam., doubly crenate, and 
with two incisions near the base. Flowers cream-coloured. —R. Traversii, 
Hook. f. Handb. N.Z. Fl. 4; Kirk, Students’ FI. 7. 
SoutH Isxnanp: Abundant in the central and western portions of the 
Southern Alps, from the Spenser Mountains to the south of Otago. Srmwarr 
Istanp: Mount Anglem, Kirk. Altitudinal range from 2000 to 5000 ft. No- 
vember-January. Var. Traversiv: Hurunui Mountains, Canterbury, Travers. 
