GREENMAN. — MEXICAN PLANTS. 303 
glabrous, resupinate, 5 to 6 mm. long, two thirds as broad ; inner bracts 
linear-linceolate, nearly 5 mm. long, 1 mm. broad, margins scarious ; 
bractlets linear-lanceolate, diaphanous, about 4 mm. long with a rudi- 
mentary flower in the axil: calyx deeply 5-parted; divisions lance-atten- 
uate, ciliate: corolla bilabiate, 14 to 2 cm. long, yellowish white striped 
with purple in the dried state, externally pubescent: stamens with fila- 
ments and anthers purple: capsule smooth, about 6 mm. long; seeds 
orbicular, flattened, muricate. — Collected by C. G. Pringle, on lava 
8 near Cuernavaca, altitude 1,500 m., 3 November, 1896, no. 6602 ; 
and by E. W. Nelson, near Tlalixtaquilla, Guerrero, 10 December, 1894, 
no. 2256, 
Buceragenia, nov. gen. of Acanthacee (Eujusticiee). Calyx 5- 
parted, segments linear, subequal. Corolla tubular; tube cylindrical, 
erect, not ampliated above; limb short, 2-labiate, posterior lip interior, 
incurved, deeply emarginate or shortly 2-lobed, anterior erect or scarcely 
spreading, 3-lobed, external. Stamens 2, anterior, inserted at the mid- 
dle of the corolla-tube, included; anthers 1-celled, oblong, medio-dorsally 
affixed, obtuse. Staminodea 2. Disk annular, inconspicuous. Style 
slightly thickened above, stigma minutely and unequally 2-lobed ; ovules 
2 in each cell. Capsule oblong, narrowed below into a solid stipe ; seeds 
4, suborbicular, flattened, strongly muricate or roughened ; retinacula slen- 
er; embryo normal. — Herbaceous perennials having their affinity with 
the genus Habracanthus, but differing by the shallowly bilabiate corolla, 
and the presence of staminodea. . The generic name is taken from fois, 
“Spas, and yiyvopa, in reference to the Spanish name Cuernavaca, from 
Which place it comes. 
uceragenia minutiflora. Stems erect, about 1 m. high, simple, 
nearly naked below, branched and leafy above, glabrous; branches slen- 
der, internodes 5 to 12 cm. in length: leaves ovate, usually acuminate 
with an obtusish apex, rather abruptly narrowed at the base and attenu- 
ated into a long narrowly winged petiole, entire or subrepand, ciliate, 
minutely lineolate on the upper surface with a few scattered hirsutish 
*s, pubescent on the midrib and prominent veins beneath, dark green 
above, paler beneath: inflorescence in slender interrupted spikes or 
‘pikoid racemes terminating the stem and branches, puberulent and stipi- 
tate-glandular ; spikes (4 to 13 em. long) on slender peduncles ; bracts 
ovate, acute, about 1 mm. long ; bractlets minute: calyx 2 to 5 mm. long, 
S-parted, persistent; divisions subequal, linear, acute, puberulent and 
WP itate-glandular: corolla minute, 2 to 3 mm. long, tubular, 5-nerved, 
slightly enlarged below ; lobes oblong, rounded at the apex, covered with 
