MUSTARD FAMILY 101 
(0) Pods cylindrical ; seeds ellipsoid. Flowers very small, yellow. 
Sisymbrium, VIII 
(c) Pods cylindrical; seeds globular. Flowers of moderate size, 
yellow. Brassica, VII 
(d) Pods cylindrical; seeds in 2 rows; flowers white. Or pods 
ovoid or ellipsoid; flower yellowish. Aquatic plants, or 
growing in wet soil. Radicula, IX 
(e) Pods cylindrical or angled; seeds in a single row, flattened. 
Flowers yellow. Barbarea, X 
Cc 
Pods elongated, often jointed, tapering toward the tip, never splitting 
open. Raphanus, VI 
D 
Pods flattened parallel to the partition, splitting open when ripe. 
(a) Wild species ; leafy-stemmed,; growing in or near water. Pods 
linear. Cardamine, XII 
(b) Wild species ; stems naked below, bearing only 2 or 3 leaves. 
Pods lanceolate. Dentaria, XI 
(c) Wild species; leafy-stemmed; growing on dry ground or 
rocks. Pods linear; seeds usually winged or margined. 
Arabis, XTII 
(d) Cultivated species. Pods round or roundish. Lobularia, I 
(e) Cultivated ‘species; covered with a grayish down of star- 
shaped hairs. Pods cylindrical. Matthiola, II 
I. LOBULARIA Desv. (KONIGA) 
Perennial, though usually growing as an annual. Stems 
branching, diffuse; branches: slender. Leaves small, entire, 
downy, with forked hairs. Flowers small, white, in numerous 
terminal racemes. Petals obovate, entire, twice as long as the 
sepals. Filaments enlarged below. Pod round, compressed ; 
seeds 1 in each cell.* 
1. L. maritima Desv. Swreer Anyssum. Stem weak, diffuse, 
ascending, minutely downy. Lower leaves narrowed into a petiole, 
the upper sessile. Racemes erect, many-flowered. Flowers fragrant, 
pedicels ascending. Pod often pointed. Common in cultivation and 
often run wild.* 
