235 
near the base, above prominently and regularly dentate, dull, the nerves 
and nudril) on both surfaces usually puberulent, paler beneath and with 
numerous small punctate glands; nerves about 10 on each side of the 
midrib, prominent; petioles 2 to 7 cm. long. Panicles narrow, 15 to 
25 cm. long, the Ijranches verticillate, spreading, In’anched, glandidar 
puberulent, 2 cm. long or less; bracts deciduous, ovate, acuminate, 7 to 
8 mm. long. Calyx glabrous within, glandular puberulent outside, in 
fruit about 10 mm. long, the upper lip broadly ovate, acute or slightly 
acuminate, flat, about 4 mm. long, the lateral teeth ovate to elliptical, 
rounded, about 2.5 mm. long, the lower lobe oblong, 7 mm. long, 2 toothed, 
the teeth lanceolate or linear lanceolate, acuminate, about 1.5 mm. long. 
Corolla 1.5 to 2 cm. long, slightly puberulent, the lower li]i nearly 1 cm. 
long, the upper short, 3-lobed. Outlets ovoid, 1.7 mm. long, smooth, 
glabrous, shining. 
Luzon, Distilct of Lepaiito, Mount Data (4502, 4483, 4505 Merrill) November. 
1905. In the mossy forest at about 2,200 m., abundant. 
Var. crispipila, n. var. 
Similar to the sjiecies, flowers white, the inflorescence puberulent and 
with many ci'isped ferruginous hairs, the leaves also with few' or many 
crisped hairs on both surfaces and margins. 
Luzon, Province of Benguet, Suvoc to Pauai (4780 Merrill) November, 1905. 
On liigh ridges in the mossy forest at about 2,200 m. 
PLECTRANTHUS L’Her. 
Plectranthus diffusus Merrill sp. wov. 
A much branched, diffuse, lax herb 1.5 to 2.5 m. high with many 
flowered narrow lateral panicles forming large C(nnpound terminal leafy 
panicles, more or less pidiescent throughout w'ith pale or ferruginous 
hairs. Branches angled, gi'ay or browmish, pubescent. Leaves ovate to 
oblong-ovate, 2 to 6 cm. long, 1 to 3 cm. wdde, membranous, acuminate, 
the base acute, entire below, above rather prominently serrate-dentate, 
with scattered crisped hairs on both surfaces ; nerves, 5 to 6 on each side 
of the midrib; petioles 1 cm. long or less. Branchlets of the in- 
florescence opposite, several flowered, 1.5 cm. long or less, the bracts 
foliaceous, gradually reduced upwards. Cdrlyx somewhat hirsute, ahout 
2 mm. long, subequally 5-toothed, the teeth acute, less than 0.5 mm. 
long. Corolla deep purplish blue, 5 to 6 mm. long, straight, somewhat 
pubescent outside, the limb gibbous, 2-lipped, the upper lip short, 3-lobcd, 
the lower one entire about 3 mm. long. Stamens free, filaments very 
slightly pul.)escent below. Calyx in fruit scarcely accrescent, reflexed. 
Xiitlets ovoid or elliptical, glabrous, smooth, about 1 mm. long. 
Luzon, District of Lepanto, IMount Data (4554, Merrill) Noveniber 4, 1905. 
In damp sliaded raviims along streams at about 2,000 m. 
