50 ENGLISH BOTANY. 
GENUS VIIT—-CALTHA. Linn. 
Sepals 5 or more, sub-equal, petaloid, deciduous. Petals none. 
Carpels several, sessile, having the ovules disposed in 2 rows along 
the whole of the ventral suture; follicles distinct. Seeds numerous, 
oblong, with a hard smooth testa, and with the chalaza and raphe 
conspicuous. 
SPECIESI—CALTHA PALUSTRIS. Lina 
Puates XL. XLI. 
Hook. & Arn. Brit. Fl. ed. viii. p. 11. Benth. Handbook Brit. Fl. p. 63. 
Root-leaves stalked, roundish or deltoid, more or less cordate at 
the base ; upper leaves reniform-deltoid, sessile, all crenate or den- 
ticulate. Sepals 5 or 6, oval or oblong-obtuse. Carpels in a single 
row. 
Sus-Species I.—Caltha eu-palustris. 
Puate XL.* 
C. palustris, Reich. Ic. Fl. Germ. et Helv. Vol. IV. Lan. Tab. CI. Fig. 4712. 
C. palustris, Auct. plur. 
Radical leaves rounded, cordate at the base, with the lobes 
approximate, crenate, crenate-dentate, or rarely with triangular 
teeth towards the base. Stem not rooting at the joints. 
Var. a, vulgaris. 
C. vulgaris, Schott, Analecta Botanica Vindob. 1854. 
C. palustris, Boreau, Fl. du Cent. de la Fr. ed. iii. Vol. II. p. 21. 
Stem ascending. Flowers numerous, 1} to 2 inches in diameter, 
with roundish-ovate, contiguous sepals when fully expanded. Carpels 
spreading, with a very short beak. 
Var. 6, Guerangerit. 
C. Guerangerii, Borewu in Billot’s Annot. 1855, p. 11; and Fl. du Cent. de la Fr. ed. iii. 
Vol LE p21. 
C. riparia, Don ? Gard. Dict. Vol. I. p. 44. 
* The Plate is E. B. 506, with the head of fruit added by Mr. J. E. Sowerby. It 
represents var. a. 
