YELLOW OR YELLOWISH FLOWERS 
GROUP XV 
Leaves alternate. Flowers neither composite, with five petals, 
nor with four petals. 
The buttercups may he found in Group XIII {page 62 et seq.) 
Lousewort. Wood Betony {Pedicularis canadensis). 
Figwort family. April to June. 
A perennial herb, six inches to a foot high, with short, thick 
spikes or heads, sometimes six inches or more long in fruit. The 
flower has a two-lipped corolla, three-fourths inch long, the 
upper lip with a hood ; it may be of a reddish tinge. The leaves 
are pinnately parted or cut. Fields, banks, and thickets. From 
the Latin pediculus, louse, because feeding on this plant was 
supposed to breed lice in the sheep. 
Ground Cherry {Physalis virginiana). Nightshade family. 
July to September. 
An upright branching perennial, one to three feet high, with 
flowers nodding along the stem. The bell-shaped corolla, gen- 
erally under an inch broad, has a yellow centre and purplish 
spots. The leaves are large and broad, toothed. Light soil. 
From the Greek for bladder, applied to the calyx in fniit. 
Baiheny (Berberis vulgaris). Barberry family. June. 
A shrub (whose Latin name is derived from the Arabic) with 
delicate spines and small yellow flowers (one-third inch broad 
or under) in racemes from axils; six petals. Leaves inversely 
egg-shaped or spoon-shaped, with fine teeth, clustered; the 
leaves are technically compound, each with a single leaflet. 
Roadsides and thickets, where 
" The barb'ry droops its strings o' golden flowers.' 
— Lowell. 
70 
