Part 1, 1914] ERICACEAE 79 
glabrous or nearly so when mature, rounded or subcordate at the base, short-petioled; panicles 
3-6 cm. long, the rachis glandular-hirsute; bracts minutely glandular-pubescent on the back; 
calyx 7-9 mm. wide, the lobes ovate to broadly lanceolate, acute, pubescent; corolla reddish, 
urceolate, 6-7 mm. long, coarsely pubescent, the lobes slightly spreading or recurved; fila- 
ments pubescent; capsules 4-5 mm. in diameter. 
TYPE LocaLity: Carmen, Oaxaca. 
DISTRIBUTION: Mexico to Guatemala. 
19. Gaultheria odorata Willd. Ges. Nat. Freunde Berlin Neue 
Schr. 3: 425. 1801. 
Gaultheria odorata mexicana DC. Prodr. 7: 595. 1839. 
Gaultheria Hartwegiana Loesener, Bull. Herb. Boiss. II. 3: 217. 1903. 
A shrub with irregular branches, the branchlets finely pubescent and often with longer 
gland-tipped hairs; leaf-blades ovate to oblong-ovate or oval-ovate, 1.5-4.5. cm. long, thick, 
abruptly narrowed at the apex or short-acuminate, rather prominently gland-tipped, serrulate, 
dull on both sides, reticulate, sparingly fine-pubescent or glabrous in age, rounded or truncate 
at the base, short-petioled; panicles 3-6 cm. long, loosely flowered, the rachis closely fine- 
pubescent and with longer gland-tipped hairs, the branches similarly pubescent; calyx 7.5~8.5 
mm. wide, the lobes ovate, acute or slightly acuminate, glandular-pubescent, ciliolate; corolla 
pink, ovoid-urceolate, 6-7 mm. long, glandular-pubescent, the lobes recurved; filaments 
slender, dilated near the base, pubescent; capsules spheroidal, about 5 mm. in diameter. 
Type LocaLity: Near Caracas, Venezuela. 
DISTRIBUTION: Mexico to northern South America. 
ILLUSTRATION: Hems!l. Biol. Centr. Am. Bot. pl. 53, A, f. 1-3. 
20. Gaultheria costaricensis (Donn. Smith) Small, sp. nov. 
Gaultheria odorata costaricensis Donn. Smith, Bot. Gaz. 20: 292. 1895. 
A shrub with stout irregular branches and finely pubescent twigs; leaf-blades ovate or 
oval, varying to suborbicular or orbicular-reniform, leathery, 2-7 cm. long, abruptly pointed 
or short-acuminate, serrulate, deep-green and somewhat shining above, paler and dull beneath, 
finely reticulate, sparingly pubescent when young, glabrous or nearly so at maturity, abruptly 
narrowed or rounded at the base, short-petioled; panicles 6-10 cm. long, the rachis glandular- 
pubescent, the branches less than 1 cm. long, or slightly more than 1 cm. long in fruit; bracts 
glandular-pubescent, becoming glabrous; calyx 9-11 mm. wide, the lobes lanceolate, acuminate, 
glandular-pubescent; corolla pink, urceolate, about 6-7 mm. long, copiously pubescent, the 
lobes recurved; filaments finely pubescent; capsules 6-8 mm. in diameter. 
Typr Locatrty: Estrella, Costa Rica. 
DIsTRIBUTION: Costa Rica. 
21. Gaultheria Rosei Small, sp. nov. 
A low branching shrub with glandular-pubescent twigs; leaf-blades various, the lower 
ones orbicular or oval, the upper ones oblong or slightly broadened upward, all abruptly 
pointed or acute, thinnish, obscurely serrulate, minutely pubescent, at least when young, 
reticulate, pale-green, sometimes glatucescent, abruptly narrowed or rounded at the base, 
short-petioled; panicles 4-7 cm. long, loosely flowered, the rachis and branches finely glandular- 
hirsute; calyx 7-8 mm. wide, the lobes lanceolate to triangular-lanceolate, acute or slightly 
acuminate, glandular-pubescent; corolla pink, ovoid-urceolate, about 7 mm. long, glandular- 
pubescent; filaments dilated below, pubescent throughout; capsules spheroidal, 3-4 mm. in 
diameter. 
Type collected near Santa Teresa, Territorio de Tepic, Mexico, August 11, 1897, J. N. Rose 
2183 (U.S. Nat. Herb.), 
DIstRIBUTION Known only from the type locality, 
22. Gaultheria hidalgensis Loesener, Bull. Herb. Boiss. 2: 
552. 1894, 
A much-branched shrub, the branches minutely pubescent and more or less hirsute with 
red gland-tipped hairs; leaf-blades lanceolate, oblong-lanceolate, ovate-lanceolate, or ovate, 
