( 2524 ) 
AGERATUM MEXICANUM. MBEXICAN 
AGERATUM. 
Class and Order. 
SyncENESIA Potyeamia ARQUALIS. 
Generic Character. 
Receptaculum nudum. Pappus paleis 4-5, subaristatis 
(nunc coalitis obsoletisve). Cal. oblongus, duplici folio- 
lorum, subequalium serie. Corollule 4-5-fide. 
Specific Character. 
-AGERATUM mexicanum ; hispidum, foliis cordato-ovatis cre- 
natis rugosis, corymbo composito, paleis pappi lance- 
olatis aristatis. 
Desc. Stem hispid, when flowering, erect, but throwing 
out, near the base, procumbent sterile branches. Leaves 
generally opposite, petiolated, cordate-ovate, crenate, ru- 
gose, hairy. Flowers in a terminal, irregularly branched 
corymb, of a delicate blue colour. Calyx hemispherical : 
leaflets equal, tipped with red, hairy, ~Floscules tubular, 
with a 4- or sometimes 5-cleft border: anthers inclosed. 
Stigmas very long, exserted. Seeds black, pointed at 
the base, angular. Palee 4 or 5, lanceolate, terminated 
with a bristle-like awn. Receptacle naked. 
Raised by Mr. Tare, of the Sloane Street nursery, from 
seeds brought from Mexico by Mr. Butxock. 
