MUSTARD FAMILY 275 
Pods not hairy. 
Pods) 4-ancledi  picne. *.. 020) kw. Barbarea 
Pods rounded, not 4-angled, term- 
inated by a long beak . . Brassica 
Pods) HHALG VEN THe kn comer oe eet ies Sinapis 
ERRATA 
Page 274, lines 6 and 7, should read : 
The fruit is almost always a linear pod, a silique, or a short, 
more or less triangular, orbicular or oblong pod, a silicle. 
—— wees 
Leaves broad, cordate or kidney-formed . . . Alliaria 
Leaves feather-form (pinnate), lobed or ovate Cardamine 
Leaves mostly in a whorl or rosette about the base, hairs when 
present not forked. 
Seed pods quite short but generally with several seeds Draba 
Seed pods linear, hairs simple . . . . . . Arabis 
Seed pods linear, hairs forked 
Petals white . . . + . - -. Stenophragma 
lowers! purples: <), s) 2 oes_ 5.) yy lesperis 
The arrangement of these groups is based upon a few of the more 
general characteristics and does not follow the more technical grouping. 
FIRST GROUP 
Fruit-pod pear-shaped, triangular or oblong, distinctly flattened contrary 
to the partition. 
Flowers white 
1. LEPIDIUM, L. 
Erect or diffused plants with pear-shaped, feather-formed or deeply 
lobed leaves. Pods rounded or pear-shaped, flattened, with two seeds, one 
in each valve of the pod or with only one seed. Stamens sometimes less 
than 6. Flowers small or petals sometimes wanting. 
Stem leaves arrow-formed, clasping with ear-like appendages. 
Pods with a somewhat conspicuous slender style . . . . . L. Draba 
Pods without the style ed Se nein Boing cert u's ar ee RIGO MUp estre 
Stem leaves, pear-shaped, on long leaf stalks 50d bid ol to MoE iadetiae 
Pods "distinctly pear-shaped . AG Far Ua er an alt be RG 
Pods oval or orbicular. 
With wings nat a vent Me elR me item Uae Hue Nc tape tenmlee | Nish sen Operanieny 
Without wings FAS hy ishalbeha tees se) UAt a kai pela. Renae 
Stem leaves teather-formed (pinnatifid). 
