12 BKITISH BOTANY. 



pressed, with spinous tubercles and a thick border-, beak long, 

 linear. 



Corn-fields. Annual; May-July. 



R. sceleratus, Lin. Celery-leaved Crowfoot. — e. b, 681. 

 L.B.S. 23. 



A. 18. C. 75. Lat. 50-59°. Alt. 0-200 yds. Tern. 51-47°. 



Eoot annual. Stem usually solitary, 6-12 inches, erect, fistu- 

 lar, many-flowered, with erect branches, which often spring from 

 the base, forked (dichotomous) above, usually glabrous. The ra- 

 dical and lower leaves are on long petioles, roundish, reniform, 

 3-5-lobed or in 3-5 divisions, with crenulate lobes ; upper nearly 

 sessile, with linear, entire or incised segments. Flowers in the 

 forks of the angles or terminal. Calyx reflexed. Corolla small. 

 Petals shorter than the conical capitulum {head) without a scale. 

 Carpels numerous, in an oblong or conical head, slightly com- 

 pressed, rough at the centre, with a very short beak. Recep- 

 tacle of the fruit thick, oblong. 



Watery places, riversides, etc. Annual ; May- August. 



FicARiA, Dill. — Perennial, sometimes acauline plants (without 

 a stem). Leaves entire, or only lobed or crenulate. Flowers 

 mostly solitary on radical peduncles. Sepals 3, herbaceous or 

 but slightly coloured, caducous. Petals 6-9, with a short claw 

 and a pore and scale. Carpels numerous, in roundish heads ; 

 beak almost wanting. Seed erect. 



F. ranumculoides, Moench. — Ranunculus Ficaria, Lin. and 

 Loudon Cat. 14. 



A. 18. C. 82. Lat. 50-61°. Alt. 0-800 yds. Tern. 52-41°. 



Root short, with turgid, fleshy, oblong fibres (fascicled tubers) . 

 Stems short, reclining or ascending. Leaves cordate, crenulate 

 or obscurely 3-5-lobed, on long sheathing petioles. Peduncles 

 elongated. Petals often green externally. Carpels roundish, 

 smooth. 



Moist shady places. Per. ; March-May. 



Tribe III. HELLEBOREjE: The Hellebore r?-«6e.— Leaves alter- 

 nate or all radical. Petals nectariferous, usually irregular, rarely 

 none. Carpels follicular, 3-10, rarely solitary, many-seeded. 



SYNOPSIS OF THE GENERA. 



Caltha, Lin. — Sepals 5-7, petiilokl. Petals none. 



Trollius, Lin. — Sepals 5-15, pctaloicl. Petals linear, flat, with a nectai-i- 

 feroiis pore. 



