RICHARDSONIA scabra.
Rough-leaved Richardsonia.
Nafmral Order. R u b i a c e æ . J u s s . gen. p . 196.
Sect. II. SPERMACOCEÆ. Fructus bi-aut rarissime tricoccus,
siccus; coccis monospermis. Stamina 4, rarissime 5 aut 6 .
Herbæ, suffrutices aut frútices. Folia opposita, mediante vagina
ciliata. Ku n th syn .3 . p - l i . , ■ ■■
R ICH A R D SO N IA . Calyx superus, 6 -8-partitus ; lacinns
æqualibus. C'oroZZa infundibuliformis ; limbo 6 -8 -fido æquah.
Stamina 6 -8 , exserta. Ovarium tricoccum. Stylus 1, apice
trifidus. Stigmata oblongo-capitata. Capsula tncocca, calyce
persistente coronata ; coccis 1-spermis. Herbæ diffusa, facie
Spermacocis. Flores terminales, capitato-congesti, albi. JAuntn
syn. 3. p. 19.
R. scabra, caule hispido brachiate, foliis elliptiois nervosis
scabris, involucris 2 -phyllis. ^
Ricliardia scabra. Lin- sp. p i. p. 470. Lam. ill. t. «54. Pers.
syn. 1. p. 392.
Annual. Stems spreading, brachiate, thickly clothed
with spreading unequal white hairs; branches ascente
ins:. Leaves opposite, elliptical or oval, gradually
attenuated at both ends, narrowing at the base down
the petioles, very rough to the touch, occasioned by
numerous minute tubercles, on which grow short rigid
decumbent hairs, margins cihate, underneath strongly
nerved, the nerves branching from the midrib at regular
distances. Petioles, or base o f the leaf , deeply channelled
on the upper side, and convex on the lower,
frino-ed. Stipules joined to the base of the petioles,
connate, sheathing the stem, membranaceous, and
toothed with several sharp subulate teeth that are