136 
RANUNCULUS 
12. RANUNCULUS PARVIFLORUS. Small-flowered Crowfoot. Plate 141 
R. kirsutus annuus flore minvno Ray App. Cat. Cantab. 8 (1663); Syn. ed. 3> 248, t. 12, fig. 1 (1724); R- hirsutus 
annuns geranii columbini Merrett Pinax 102 (1666). 
Ranunculus parviflorus L. Syst. ed. 10, 1087 (1759)!; Smith Eng. Bot. no. 120 (1792)!; FI. Brit. 
594 (1800); Syme Eng. Bot. i, 45 (1863); Rouy et Foucaud FI. France i, no (1893); R. muricatus var. 8 L. 
Sp. PI. 555 (1753)- 
I cones : — Smith Eng. Bot. t. 120; FI. Dan. t. 1218; Reichenbach Icon, iii, t. 22, fig. 4616. 
Camb. Brit. FI. iii. Plate 141. (a) Whole plant, (b) Upper part of another plant, (c) Achenes (enlarged). 
Worcestershire (R. F. T.). 
Exsiccata : — Billot, 307, 307 bis ; Don, 33; Reichenbach, 1585; Schultz ( H . N.), v, 411; Welwitsch (FI. 
Lusit.), 20 6. 
Map 54. Distribution of /?. parviflorus in the British Islands 
Annual, ephemeral. Shoot diffuse, with spreading hairs, 1 — 5 dm. Ground-leaves soon withering, 
with petioles 2 — 3 times as long as the laminae ; laminae simple, suborbicular, cordate at the base, 
margin coarsely toothed, apex very obtuse, about 2 — 3 cm. broad. Stem-leaves petioled, more or less 
deeply 3 — 5-lobed. Pedicels furrowed. Receptacle glabrous. Flowers often imperfect, about 5 mm. 
in diameter; May. Sepals reflexed, narrow. Petals pale yellow, narrow, not contiguous, often more 
or less abortive. Stamens few. Head of achenes subglobose. Achenes covered with small tubercles; 
beak somewhat hooked. 
Local, on dry grassland (usually calcareous) and hedgebanks in lowland districts; England and 
Wales (northwards to Durham), and southern Ireland. 
France, Spain, Portugal, Italy, Greece; northwestern Africa to the Azores. North America 
(not indigenous). 
13. RANUNCULUS ARVENSIS. Corn Crowfoot. Plate 142 
R. arvormn Gerard Herball 805 (1597); Ray Syn. ed. 3, 248 (1724). 
Ranunculus arvensis L. Sp. PI. 555 (1753)!; Smith Eng. Bot. no. 135 (1793)!; FI. Brit. 594 (1800); 
Syme Eng. Bot. i, 46 (1863); Rouy et Foucaud FI. France i, 1 1 2 (1893). 
