[Vor. 11 
150 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
one much longer; corolla yellow, throat broadly oblong, lobes 
little spreading, the lower with a large round reddish spot near 
its center. 
Distribution: known only from specimens collected in the 
mountains of Argentine Republic. The type was collected by 
Gillies near Mendoza. 
Specimens examined: 
Argentine Republic: near La Guardia, Catamarca, 1829, Gillies 
(О); Cieneja de la Cesveyas, Jan., 1829, Gillies (С); La Allada, 
4 June, 1916, Jörgensen 1268 (С and М). 
Further collections might show that this plant is entitled to 
specific rank. 
11. M. cupreus Dombrain in Fl. Mag. 2: pl. 70. 1862; Regel 
in Gartenfl. 13: 3, pl. 422, fig. 1. 1864 (amplified description); 
Reiche, Fl. Chile 6t: 61. 1911. 
M. luteus var. cuprea Hook. in Curtis, Bot. Mag. ІП. 20: pl. 
6478. 1864. 
A glabrous or puberulent annual, branching freely from the 
base, more or less dwarfed and somewhat compact; stems terete, 
1-2 dm. high; leaves subrhombic-ovate or elliptical, 1.5-3 сш. 
long, .8-2 cm. wide, sessile or subsessile, 3-5-nerved from the 
base, irregularly and coarsely serrate; flowers numerous, pedicels 
mostly shorter than the subtending leaves or sometimes much 
longer; calyx campanulate, more or less spotted with red, teeth 
triangular-acute, the upper one longer, broader, obtuse; corolla 
2.5-3.5 em. long, tube yellow, throat expanded, spotted with red 
below the lower lip, lobes spreading, golden-yellow, becoming 4 
brilliant copper color at maturity; capsule constricted at the base 
but not stipitate; seeds longitudinally striate. 
Distribution: known only from southern Chile. 
Specimens examined: 
Chile: Santiago, U. S. Expl. Exp., 1838 (G); Province Colchagua, 
1862, Bridges (or ? Cuming) (U. S. no. 259695); Chile, without 
locality or date, Gay (G). : 
M. cupreus was one of the popular garden plants of the middle 
18th century. Seeds of it were collected by а Mr. Pearce 1n v 
mountains near Chillan, in southern Chile, and were sent by him 
