PAPAVERACE®. 99 
GENUS V.—-CHELIDONIUM. Linn. 
Sepals 2, sub-petaloid, caducous. Petals 4, convolute in esti- 
vation, caducous. Stamens indefinite. Capsule linear, resembling 
a siliqua, 1-celled, without a dissepiment, opening by 2 valves, 
which detach themselves from the nervelike placentz beginning at 
the base. Style very short. Stigmas 2, oblique, with 2 spreading 
lobes. Seeds with the raphe furnished with a fleshy crest. 
A brittle herbaceous perennial, with orange-coloured juice. 
Leaves pinnipartite. Flowers small, yellow, in simple umbels. 
The generic name comes from yedtdwy (kelidon), a swallow, because, says an old 
writer, “it beginneth to spring and flower at the coming of the swallows, and withers 
at their return,” ; 
SPECIES L-CHELIDONIUM MAJUS. Linn. 
Puate LX VII.* 
Leaves pinnatipartite, with stalked or sessile segments. 
Var. a, vulgaris. 
Puate LXVII. (A.) 
C. majus, Mill. Reich. Ic. Fl. Germ. et Helv. Vol. III. Pap. Tab. X. Fig. 4466. 
Boreau, Fl. du Centre de la Fr. ed. iii, Vol. I. p. 32. 
Leaflets slightly lobed or doubly crenate. Petals entire. 
? Var. 6, laciniatum. TF 
Puate LXVII. (B.) 
C. laciniatum, Mill. Reich. Ic. Fl. Germ. et Helv. Vol. III. Pap. Tab. X. Fig. 4467. 
Boreau, Fl. du Centre de la Fr. ed. iii. Vol. I. p. 32. 
Segments pinnatifid, with narrow cut lobes. Petals generally 
cut into narrow segments at the apex. 
Not uncommon in hedges and on roadsides; but probably only 
naturalized. Var. ® very rare, said by Dillenius to have been 
found at Wimbledon, Surrey, by Mr. Martyn, and still occasionally 
occurring as an escape from cultivation. 
England, Scotland, Ireland. Perennial. Early Summer 
to Autumn. 
Root thick and fleshy, terminating in a rhizome clothed with 
* This Plate is re-drawn, with corrections, by Mr. J. E. Sowerby, from E. B, 1581. 
Var. B added in a corner. 
t Possibly a distinct sub-species. 
