Corydalis.] FUMARIACE/E. 15 



smooth, brittle, tender leaves, and an acrid yellow juice. 

 Named from xe\i&wv, a swallow ; probably from the plant 

 flowering at the time of the arrival of those birds. 



Polyandria. Monogynia. 



1. C. majus, Linn. Common Celandine. Br. Fl. 1. p. 257. 

 E. Fl. v. iii. p. 4. E. Bot. t. 1581. 



Waste places, especially near towns and villages. Fl. May, June. 

 % . Plentiful on hedge banks by the way side near Dundalk, and 

 other places in the County of Louth. About two feet high, slightly 

 hairy, brittle, full of yellow foetid juice. Leaves pinnatifid, with about 

 five decurrent leaflets, which are broadly ovate, lobed, and crenated. 

 Flowers in long stalked umbels, yellow, rather small. Pod long, 

 somewhat turgid. 



ORD. 5. FUMARIACE.E. D C. Fumitory Family, 



Sepals 2, small, deciduous. Petals 4, irregular, more or less 

 united below ; 2 exterior, alternating with the sepals ; one, the 

 upper, or both, gibbous, or prolonged at the base into a spur ; 

 2 inner somewhat callous at the extremity, where they cohere 

 and enclose the anthers and stigma. Stamens 6 : filaments 

 diadelphous, opposite the outer petals ; anthers 6, small, the 

 middle one of each bundle 2-celled, the lateral ones 1 -celled. 

 Ovary one, free ; style filiform ; stigma bilamellate. Fruit sili- 

 quiform, 2-valved, many-seeded, somewhat indehiscent, 1 2 

 seeded. Seeds affixed to lateral placentae, with an arillus or 

 caruncle. Albumen fleshy, including the embryo in its base. 

 Cotyledons plane. Delicate herbs, of temperate latitudes, slightly 

 bitter and diaphoretic, containing a watery, not milky juice. Flowers 

 purple, white or yellow. 



1. CORYDALIS, De Cand. Corydalis. 



Petals 4, of which one is calcarate at the base. Pod 2-valved, 



compressed, many-seeded. De Cand. Name from r x. P v * >a ^ L<s i 



the Greek name for the Fumitory, with which the present 



genus was, till lately, united. Diadelphia Hexandria. 



1. C. claviculata. De Cand. White climbing Corydalis. Stem 



much branched, climbing ; leaves pinnate ; pinnae stalked, ter- 



nate, or pedate ; leaflets elliptical, entire ; petioles ending in 



tendrils, pedicels very short, scarcely so long as the minute 



bracteas. Fumaria claviculata, Linn, Br. Fl. 1 . p. 3 1 6. E. Fl. 



v. iii. p. 254. E. Bot. t. 103. 



Rocks, walls, and on tops of old thatched houses. On thatched 

 cabins between Ballinteer and the little Dargle, and way-side between 

 Dundrum and the Dublin mountains. Ft. June, July. 0. Stems 

 long, very slender. Whole plant very delicate. Flowers small, pale 

 yellow, almost white. 



