POPULAR FLORA. V2S 



1. Pod {siUque) generally several times longer than wide. 

 Pod not splitting open when ripe, but becoming hard, bealt-pointed. Seeds round. 



Flowers pink or purple. Pod thick, fleshy when young, {Edphanus) *Radish. 



Flowers yellow, turning whitish or purplish. Pod long, necklace-shaped, 



(RaphamiB, § Raphanistrum) Jointed-Chaklock 

 Pod splitting, i. e. opening when ripe by two valves, which fall off and leave the partition. 

 Pod ending in a beak. Seeds round. Flowers yellow. 



Calyx erect in blossom. Roots, stems, or leaves, &c. be- I , j}„ ■■„„■. ( *Tuknip and 



n 1 • 1 • • I \JjV(lSSiCttj \ 



coming fleshy in cultivation, ) ( *Cabbage. 



Calyx open or spreading in blossom, (Sinapis) Mustard. 



Pod not beaked, i. e. not ending in a strong-pointed tip. Seeds flat or oblong. 

 Calyx unequal, two of the sepals projecting or pouch-shaped at the base. 



Flowers yellow or orange. Pod and seeds flat, ( Cheirdnthus) *Wallflowee. 



Flowers rose, purple, or white. Pods not flat. 



Stigmas thickened on the back. Seeds flat, (Matthiola) *Stock. 



Stigmas close-pressed together. Seeds oblong, (Hespens) *Eocket. 



Calyx equal, i. e. the sepals all alike or nearly so. 

 Pods flat. Flowers white or purple. 



Valves of the pod with a mid-nerve or vein, (Arabis) Rock-Cress. 



Valves of the pod without a nerve. 



Stem-leaves alternate or scattered, ( Carddmine) Bitter-Cress. 



Stem-leaves 2 or 3, whorled or clustered. Root fleshy, (Dentaria) Toothwoet. 



Pods obtusely 4-sided, linear. Flowers yellow, (Barbarea) Winter-Cress. 



Pods awl-shaped. Flowers pale yellow, (Sisymbrium) Hedge-IIustard. 



Pods turgid, short-linear or oblong, (Nasturtium) Watee-Ckess. 



2. Pod (silicle or pouch) shorty the length not more than two or three times the breads. 

 Pod opening when ripe by 2 valves which fall off and leave the partition. 



Pod globose or ovoid, many-seeded, (Armoracia) Horseradish, 



Pod pear-shaped, rather flattish, many-seeded. Flowers yellow, ( CameTtna) False-Flax. 



Pod flat, with a broad partition. Seeds many, (Draia) Whitlow-Grass. 



Pod flat, with a broad partition. Seeds 2 to i. 



Flowers purple, large. Pod large, stalked above the calyx, (Lunaria) *Hone3ty. 



Flowers white, small. Pod small, 2-seeded, (Kdniga) *SwEET-ALyssuM. 



Pod flattened contrary to the narrow partition. Flowers white or purple. 



Seeds many; pod triangular-obcordate with a shallow notch, ( Capsella) Shepherd's-Purse. 

 Seeds only one in each cell. 



Petals all alike. Flowers very small, (Lepidium) Peppergrass. 



Petals unlike; the two on the outer side of the flower larger, (Ib'eris) *Candytuft. 



Pod not opening, 1-celled, 1-seeded, wing-like. Flowers yellow, (Isatis) *Woad 



Pod not opening, but jointed across the middle, fleshy. Flowers purplish, ( Calale) Sea-Rockei/ 



11. MIGNONETTE FAMILY. Order RESEDACE^. 

 A family consisting of a few European herbs, with small and irregular flowers, which 

 deserves notice merely because it contains the 



