OF ORNAMENTAL ANNUALS. 
211 
in our gardens ever since. It is a native of the Soutli of France, and the seeds will come up, and generally 
produce abundance of flowers, if sown in any soil and situation, and at almost any season. Seeds are sold in tha 
seed-shops under tlie name of Crepii harbata. 
GENUS XLIV. 
BOERKHAUSIA, Bell. THE BOERKHAUSIA, OR REDDISH-LILAC HAWKWEED. 
Lin. Syst. SYNGENESIA ^QUALIS. 
Genehic Character. — Involucrum caljculated, rarely subimbricated. Receptacle nearly naked, or fiinged. Achenia terete, some of the central 
ones attenuated into a long beak. Pappus in many series, pilose. 
BOERKHAUSIA RUBRA, Unh. THE REDDISH BOERKHAUSIA. 
Synonymes." — Crcpis rubra, Lin. ; Barkhausia rubra, Mosnch. 
Ekgrating. — Out fig. 2, in Plate 32. 
Specific Character Stems leafy from the base and branched, 
naked at top. Leaves usually radical, and ruminately lyrate, petiolate ; 
caulino ones sessile, linear, cut at the base. Outer scales of involucrum 
lanceolate, acuminate, glabrous ; inner ones rather scabrous. 
Description, &c. — A tall-growing plant with very slender stems and lilac flowers, which are generally 
double. It is a native of Italy, whence it was introduced in 1632. It is quite hardy, and should be sown in 
the open border ; but always where it is to remain, as it will not bear transplanting unless when very young. 
When the plant sends up its flower-stalks, they are so long and slender that they should be staked and tied. 
Seeds are to be procured in nearly all the seed-shops, under the name of Crepis rubra. 
GENUS XLV. 
PICRIDIUM, Bmf. THE POPPY-LEAVED VIPER'S-GRASS. 
Lin. Syst. SYNGENESIA ^QUALIS. 
GcNEaic Character. — Involucrum ovate, imbricated, the scales white at the margin. Receptacle naked, honeycombed. Acbenia quadrangular, 
prismatic, transversely tuberculated, trunculate and beakless at the apex. Pappus in many series, pilose. 
Description, &c. — The species comprised in this genus have been separated by Professor De CandoUe from 
the genus Scorzonera. Picridium is from a Greek word signifying bitter, and alludes to the taste of the plants. 
PICRIDIUM TINGITANUM, Dec. TANGIER SCORZONERA, OR POPPY-LEAVED VIPER'S-GRASS. 
SvNONYMES. — Scoi-zoncra tingitana, Sims.; Sonchus tingitanus, Lin. 
Specific Character — Stem branched. Leaves all runcinate, half stem-clasping. Peduncles scaly. Outer scales of the involucrum squarrose. 
Description, &c.— A showy plant with a head of yellow flowers, and stem-clasping leaves. It is a native 
of Tangiers, and was introduced in 1713. It is quite hardy, but the seeds should be sown in a dry soil. The 
flowers soon fade when exposed to the sun, and they are seen to most advantage in cloudy weather. Seeds may 
be had at the Kensington nursery and in other seed-shops ; and they should be sown with the otner annuals :n 
spring. 
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