( ‘Be7B.: 
Dipiscus c#ruievs. . BLUE-FLOWERED 
Dipiscus. ©; _ 
SHEER: 
Class and Order. 
Pentanpria Dieynia. 
—£ Nat. Ord.—Umepe.urers. ) 
Generic Character. 
Diviscus. De C. Prodr. v. 4, ined. Umbella simplex. 
Involucrum polyphyllum. Flores ext. abortivi : Petala in- 
zqualia, estivatione imbricata. Fructus orbiculatus, plano- 
compressus utrinque bivittatus. 7 
Specific Character and Synonyms. 
Duviscus * ceruleus ; piloso-glandulosus, foliis palmato- 
_ pinnatifidis, laciniis linearibus incisis, et obtusis- 
me foe tac Aes rot No Petey 7: ue 
Diniscus ceruleus. De C. MSS. 0 
TracuyMENE cerulea. Graham in Edin. New Phil. Journ. 
1828. p. 380. hel: -LLANVGA oe? es 
TracuyMene cyanea. Cunningham MSS. apud Hort. Kew. 
Descr. Root annual. Stem a foot or more high, ter ate, 
branched upwards, and clothed, as is every part of the plant, 
with soft hairs, many of which are tipped with glands. 
Leaves palmato-pinnatifid, their segments linear, again pin- 
natifid and incised, the ultimate divisions often trifid, and 
always acute, the lower extremity tapering into a com- 
pressed petiole; the upper ones sessile and gradually be- 
coming less divided, till at length they pass into the simple 
linear bracteas at the base of the peduncles. Umbels termi- 
nal, simple, showy. Involucrum of miany linear-subulate 
A 
leaflets. Peduncles long, whitish, mee ling a flat, green- 
ish disk, which occupies the centre of the umbel, spreading, 
at length reflexed. Calyx obsolete. Petals in bud curi- 
ously imbricated, slightly unequal (which is best seen before 
the flower is fully expanded): the outer petal (as ne 
. e 
* From ds, two, and dicxes, @ disk, in reference to the two flat, circular lobes 
which constitute the fruit. 
