170 Robinson and Greenman—Genus Lamourouxia. 
187; State of Mexico, Pringle, 3149; Guanajuato, Dugés, 385. 
Intermediate forms passing to the type are represented by Ghies- 
brecht’s 84 from Chiapas and his unnumbered specimen trom the 
Plateau of Mexico, as well as by Coulter's 1356, without exact 
locality. 
x « Leaves serrate, crenate, or entire. 
+ Anther-cells conspicuously calcarate at base. 
++ Calyx-teeth subulate: Jeaves entire or nearly so. 
2. L. tonerroria Benth. Calyx 5 to 7 lines long: leaves 
oblong-linear, attenuate at both ends, acute, the larger 2 inches 
long, 14 to 25 lines broad; margins recurved.—Pl. Hartw. 22, 
and in DC, Prodr. x, 540.—Northwest Mexico in the Sierra Madre, 
Seemann ; Jalisco near Balafios, Hartweg, 188. 
3. L. nyssopiroria Gray. Calyx 3 to 4 lines long: leaves 
mostly shorter and broader, oblanceolate to spatulate, acute or 
obtusish, 9 to 18 lines long, 25 to 34 lines broad.—Proc. Am. 
Acad., xxi, 404.—Southwestern Chihuahua, Palmer, 266. 
++ ++ Calyx-teeth oblong, obtusish: leaves serrate. 
4, LL. Prixerer1. Tomentulose, 3 to 5 feet high, branched 
from a somewhat ligneous base: stems terete: leaves elliptical, 
obtuse, 4 to 9 lines long, nearly half as broad, obtusely serrate 
from the middle, narrowed and shortly petiolate at the base: 
racemes several, ‘rather dense; pedicels only a line or two in 
length: flowers 2 inches or more in length.—Garden and Forest, 
vill, 275, t. 39.—On cold ledges of Sierra de San Felipe, altitude 
10,000 feet, 25 September, 1894, Pringle, 4927; and near Tama- 
zulapam, altitude 7,800 feet, 13 November, 1894, /Velson, 1953. 
+ + Anther-cells obtuse or acute at base, but not distinctly spurred: leaves 
serrate. 
++ Flowers small: corolla 7 to 10 lines long. 
. 56, L. BReviroiia Benth. Pubescent throughout: flowers sub- 
sessile. — Benth. in DC. Prodr. x, 540,— Chachapoyas, Peru, 
Mathews, 3138. 
6. L. parvirtora Hemsl. Glabrous or glabrate: flowers short- 
pediceled.—Biol. Cent.-Am. Bot., ii, 465. “ Mexico, without local- 
ity, Tate, 31, Mairet, 56.” 
++ ++ Flowers larger; corolla 14 lines to 24 inches long. 
= Calyx very irregular, deeply cleft anteriorly; lobes lanceolate, usually acute. 
7. L, Xarapensis HBK. Calyx slender, spathe-like, 6 to 8 lines 
long: corolla 15 to 18 lines long.—Nov. Gen. et Spec., ii, 388. 
LL. spathacea Benth., 1. ¢., 539.—Jalapa, Humboldt and Bon- 
pland ; Orizaba, Botieri, 383, 1169. Bentham’s ZL. Xalapensis 
of the Podromus exclusive of Humboldt’s specimen may well have 
been the following. 
