172 Robinson and Greenman—Genus Lamourouxia. 
+ + Calyx-lobes entire: corolla tubular, scarcely ventricose. 
++ Inflorescence loose. 
13, L. Smirum. Habit of the preceding: leaves of the stem 
ovate, sharply serrate, acute, somewhat. larger, 2 inches long, an 
inch broad : ; the rameal ovate, iehcarhate sessile, not elliptical 
and shortly petiolate as in the preceding: inflorescences consid- 
erably branched : calyx-tube Renee ceded ant : lines long; lobes 
lanceolate, acute, entire, about equal in length; nerves from the 
sinuses distinct, inal or double: corolla 2 to 21 inches long.— 
Mountains of Jayac atlan, Oaxaca, altitude 5,000 feet, 13 August, 
1894, LZ. C. Smith, 155. 
++ ++ Inflorescence dense. 
14. L. viscosa HBK. Mot or less glandular-tomentose: stem 
rather rigid, terete: leaves ovate-oblong, thickish, sharply- -serrate. 
— c., 338. LZ. cordata, Cham. and Schlecht. Linnea, 
v, 103. JL. coccinea, Gray, Proc. Am. Acad., xxi, 404 (only a less 
pubescent form). —One of the commonest species throughout the 
whole length of Mexico; Sonora, Lloyd, 437; Chihuahua, Pal- 
mer, 258; Pringle, 656; Jalisco, Palmer, 578; Pringle, 2138, 
2339 ; Zacatecas, Hartwe weg, 189 ; Huasteca, ” Ervenberg, 112; Zim- 
an, Coulter, 1358 ; Orizaba, ” Bourgean, 2424 ; Bilimek, 285 ; 
7 sels 6, 149; Seaton, 135; Oaxaca, Prin le, 4879; Preeom 
1199, rab Chiapas, Ghiesbwecht, 96, 703; Guatem ala, J. 
nell-Smith, 4016; Mexico without locality, ’Sumierast. "So. . 
the characterization shows, L. Viejensis Oerst., Vidensk. Medde 
Kjében., 1853, 28, from Nicaragua is also the same. 
* * Leaves lanceolate, ng ed oblong, oo or linear, narrowed at the 
and often pet 
+ Posterior a bearing ae villous anthers. 
++ Corolla short for the genus, 8 or 9 lines long: leaves incisely serrate: species 
of Ecuador. 
. L. sunrycisa Benth. “ Habit of Z. brevifolia: leaves ek 
eealine, an inch or less in length.”—Benth. 1. ¢., x, 540.—Andes 
of Quito, Jameson. 
++ ++ Corolla longer, an inch or more in length. 
alyx-lobes serrulate. 
16.? L. sytvatica HBK. ‘ Somewhat twining : leaves ane 
olate, acute, narrowed at base: corolla roseate.”—HBK. 1. ¢., 
337. ——Near Ayavaca, Peru, Humboldt and Bonpland. A very 
