Coreopsis] LXXI. COMPOSITA. 587 
flat glabrous rigid pallid lined scales 3 to } in. long subtending 
the disk-florets ; achenes of the disk-florets linear-oblong, dusky, 
compressed, somewhat and unequally quadrangular, not winged, 
hispid-setulose along the angles, exaristate, somewhat muriculate, 
bidentate and setulose at the apex with two short teeth setulose 
at the base with erect setulze; achenes with a circular pallid 
basal callus narrower than the middle of the achene. 
AmpBaca.—At the left bank of the river Caringa ; fr. June 1855. 
No. 3272, partly. 
51. BIDENS Tournef. , L.; Benth. & Hook. f. Gen. Pl. ii. p. 387. 
1. B, pilosus L. Sp. Pl., edit. 1, p. 832 (pilosa) ; O. & H. in Oliv. 
Fl. Trop. Afr. i. p. 392; O. Hoffm. in Bol. Soc. Brot. xiii. p. 31 
(1896). 
Gotunco Atto.—In sunny situations near Sange ; fl. and fr. Feb. 
and April 1855. No. 3962. At Sange; fl. and fr. Dec. 1855. 
No. 3959. In the ascent to the Capopa spring, very plentiful ; fl. and 
fr. Jan. 1855 and March 1856. No. 3961 partly. 
Huriia.—Flowers yellow. At the outskirts of the Monino forests, 
amongst tall herbs, sporadic ; fl. and fr. end of Jan. 1860. No. 3960. 
2. B. bipinnatus L., /.c. (bipinnata) ; O. & H., L.c., p. 393. 
Punco ANbDONGO.—An annual herb, with yellowish flowers. 
Amongst herbs near the presidium ; fl. and fr. May 1857. No. 3961 
partly. Also No. 3963. 
3. B. croceus Welw. ex O. Hoffm. in Bol. Soc. Brot. x. p. 177, 
Huiitita.—A glabrous, perennial herb; rhizome with cylindrical 
tubercles ; stems 2 or 3 from the same rootstock, straight, 2 to 3 ft. 
high, trichotomously branched in the upper part; leaves multisect 
almost after the fashion of a Ferula ; the segments linear, rather thick, 
green-glaucescent, 1 in. long by +; in. broad, entire on the margin, 
uninerved ; capitula homogamous, twice or thrice as thick as in the 
previous species of the genus ; flowers saffron-coloured ; corolla rather 
fleshy but rigid ; achene truncate, not rostrate, surrounded at the apex 
with a thickened very delicately ciliolate border, tipped with 2 ariste. 
In wooded meadows around the great lake of Ivantala, not uncommon; 
fl. and fr. end of Feb. 1860. A great ornament to the meadows, and 
a plant well worth cultivating ; it has the habit of an American species. 
No. 3964. 
4. B. (2) andongensis Hiern, sp. n. 
An erect herb, glabrous throughout or nearly so; rootstock 
wooay, perennial ; stems simple below, a little branched above, 
subterete ; internodes 1} to 2} in. long; leaves opposite, undivided 
or scarcely lobed, elliptical or ovate, subobtusely narrowed at the 
apex, wedge-shaped towards the base, between fleshy and mem- 
branous, minutely punctulate-scaly when dry, coarsely and unequally 
dentate or occasionally lobulate, subglaucescent, petiolate or the 
upper ones sessile, # to 24 in. long by 2 to 13 in. broad; petioles 
ranging up to # in., alate upwards with the decurrent leaf-blade, 
dilated connate and shortly sheathing at the base ; capitula hetero- 
gamous, radiate, about 2 in. in diameter including the spreading 
ligules, solitary, on peduncles of 2 to 7} in., terminal; involucral 
