16 CRUCIFERjE. [Fumaria. 



2. Fumaria. Linn. De Cand. Fumitory. 



Petals 4, the 3 upper connate at the base, the intermediate one 

 being saccate. Fruit indehiscent, monospermous, not pointed 

 by the style. De Cand. — Name from fumus, smoke, it is said, 

 on account of the smell. Diadelphia. Hexandria. 



1. F. capreolata, Linn. Ramping-F umitory . Calycine 

 leaves broadly oval, scarcely acute, toothed at the base, entire, 

 above twice as long as the globose fruit; bracteas a little shorter 

 (about one-third) than the fruit-bearing pedicel. Br. Fl. 1. 

 p. 316. E. El. v. \\\.p. 256. Am. E. Bot. t. 943. 



Corn fields and waste grounds. Fields near Kilbarrick Church. 

 Gravel pits near Ball's Bridge. Fl. May, Aug. ©.—A very variable 

 plant. Steins generally climbing, sometimes only diffuse. Leaves 

 bipinnate. Leaflets usually very broad. Best distinguished by its 

 large petals and calycine leaves. 



2. F. officinalis, Linn. Common Fumitory. Calycine leaflets 

 ovato-lanceolate, acute, sharply toothed, scarcely so long as the 

 globose, very abrupt, or obcordate fruit ; bracteas 2 or 3 times 

 shorter than the fruit-bearing pedicel. Br. Fl. 1. p. 317. 

 E. Fl. v. iii. p. 255. E. Bot. t. 589. 



In dry fields and road sides, common ; also frequent in highly cul- 

 tivated fields and gardens, when it becomes more diffuse or climb- 

 ing. Fl. throughout the summer. 0. 



3. F. parviflnra, Lam. Small- flowered Fumitory. Calycine 

 leaves very minute; fruit globose, slightly pointed ; bracteas at 

 first as long as the flower, afterwards about as short as the fruit- 

 bearing pedicel; leaflets linear, channelled. Arnott. Br. FL 1. 

 p. 317. E. Fl. v. iii. p. 256. E. Bot. t. 590. 



Cape Clear Island ; Mr. J. Drummond. Fl. Aug. Sept. 0. — 

 Flowers rose coloured. Leaves of a lively or yellowish green. 



Ord. 6. CRUCIFER^l. Juss. Cruciferous Family. 



Sepals 4, deciduous, two often gibbous at the base. Petals 

 4, cruciate, alternate with the sepals, unguiculate, rarely un- 

 equal. Stamens 6, tetradynamous, two solitary, shorter, op- 

 posite the lateral sepals, 4 longer in pairs, alternating with them, 

 distinct, rarely combined at the base, sometimes with a tooth. 

 Ovary 2-celled and style single: green glands at the base of the 

 germen and stamens. Stigmas 2, opposite the placentae. Fruit 

 a siliqua or silicula, 2, rarely 1 -celled, 2-valved, the valves se- 

 parating from the placentae, rarely valveless, 1 — or many-seeded. 

 Seeds pendulous, without albumen. Embryo curved upwards 

 towards the margins of the Cotyledons (Q = ), or against the 

 back of one of them (Q I! )> opposite to the hilum. — Herbaceous, 



