Par? 1, 1914] CLETHRACEAE 7 
12. Clethra hondurensis Britton, sp. nov. 
Leaves firm-chartaceous in texture, narrowly obovate, irregularly low-dentate, about 15 
em. long, 6-7 cm. wide, dark-green and glabrous or nearly so above, densely whitish-tomentu- 
lose and prominently veined beneath; racemes several or numerous, tomentulose, slender, 
15-23 cm. long; pedicels 3-6 mm. long; calyx about 4 mm. long, tomentulose, its segments 
ovate, acute; petals obovate, erose-ciliolate, about as long as the calyx; style 2.5 mm. long. 
Type collected at San Pedro Sula, Department of Santa Barbara, Honduras, C. Thieme 5336 
(herb. Columbia Univ.). 
13. Clethra lanata Mart. & Gal. Bull. Acad. Brux. 91: 538. 1842. 
Young twigs and petioles densely brown-tomentose. Leaves obovate, firm-chartaceous, 
6-10 cm. long, 5 cm. wide or less, entire or sparingly dentate, rounded or acute at the apex, 
narrowed or cuneate at the base, glabrous or very nearly so above when old, densely brownish- 
tomentulose beneath, especially on the veins, the lateral veins ascending, the slender petioles 
8-15 mm. long; racemes 5~9, densely flowered, 10-16 cm. long, the rachis and pedicels tomen- 
tose; pedicels 1.5-3.5 mm. long; calyx 3-3.5 mm. long, its segments ovate, acutish or obtuse; 
petals obovate, short-fimbriate, somewhat longer than the calyx; style about 2 mm. long; 
capsule puberulent, 4 mm. wide. 
‘TYPE LocaLity: Temperate regions of Oaxaca. 
DIstRIBUTION: Oaxaca to Guatemala and Panama. 
14. Clethra mexicana DC. Prodr. 7: 590. 1839. 
Clethra integrifolia Moc.; DC. Prodr. 7: 590, as synonym. 1839, 
Clethra ovalifolia Moc.; DC. Prodr. 7: 590, as synonym. 1839. 
Kowalewskia integerrima Turcez. Bull. Soc. Nat. Mosc. 32!: 264, 1859. (According to Hemsley.) 
Clethra Kowalewskii Turcz. Bull. Soc. Nat. Mosc. 367: 233. 1863. 
Young twigs, petioles, and rachis brown-tomentose. Leaves obovate, coriaceous, 6-12 
cm. long, 4-6.5 em. wide, finely pubescent above, even when old, densely brownish-tomentose, 
especially on the veins, beneath, entire or sparingly low-dentate, rounded at the apex, narrowed 
to the base, the lateral veins rather widely spreading, the stout petioles 1-2 cm. long; racemes 
3-5, 8-20 cm. long, the rachis stout; pedicels 3-7 cm. long; calyx 4-5 mm. long, tomentulose, 
its segments ovate-oblong, obtuse or acutish; petals obovate, erose, a little longer than the 
calyx; style about 3 mm. long; capsule tomentose, about 4 mm. broad. 
‘TYPE LOCALITY: Mexico. : 
DISTRIBUTION: Jalisco and Sinaloa. 
15. Clethra jamaicensis Britton, sp. nov. 
‘Twigs, petioles, and inflorescence brown-tomentose or villous. Leaves elliptic, thin in 
texture, acute or short-acuminate, sharply serrate above the middle, 10-18 cm. long, 8 cm. 
wide or less, dark-green and glabrous or nearly so above, villous on the veins and light-green 
beneath, the villous petioles 1-1.7 cm. long; racemes about 6, slender, 23 em. long or less; 
pedicels 3~7 mm. long; bracts subulate, as long as the pedicels or shorter; calyx tomentulose, 
4-4.5 cm. long, its segments ovate; petals obovate, about as long as the calyx; style shorter 
than the petals; ovary villous. 
Type collected in woods near Port Antonio, Jamaica, July 7, 1897, A. Fredholm 3135 (herb. 
N. ¥. Bot. Gard.). 
16. Clethra Alexandri Griseb. Fl. Brit. W. Ind. 142. 1859. 
An irregularly branched shrub, about 2 m. high, the very stout twigs densely brown- 
villous. Leaves clustered near the ends of the twigs, elliptic to obovate, coriaceous, 12 cm. 
long or less, 2-6 cm. wide, acute or obtusish at the apex, mostly obtuse at the base, serrate 
with low gland-tipped teeth, or rarely subentire, villous on the upper side when young but 
becoming glabrous and dark-green, permanently villous-tomentose, reticulate-veined, and pale 
beneath, the veins prominent, the stout villous petioles 6-16 mm. long; racemes often as many 
as 10, villous-tomentose, 2.5 dm. long or less; bracts linear-lanceolate, densely villous, longer 
