235 



near the base, above prominently and regularly dentate, dull, the nerves 

 and midrib on both surfaces usually puherulent, paler beneath and with 



numerous small punctate "lands; nerves about 10 on each side of the 

 midrib, prominent; petioles 2 to 7 cm. long. Panicles narrow, 15 to 

 25 cm. long, the branches verticillate, spreading, branched, glandular 

 puherulent, 2 cm. long or less; bracts deciduous, ovate, acuminate, 7 to 

 S iiiiu. long. Calyx glabrous within, glandular puherulent outside, in 

 fruit about 10 mm. long, the upper lip broadly ovate, acute or slightly 

 acuminate, Hat, about 1 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 puherulent, the lower lip nearly 1 cm. 

 long, the upper short, 3-lobed. Xutlets ovoid, 1.7 mm. long, smooth, 

 glabrous, shining. 



Luzox, District of Lepanto, Mount Data (4502, 4483, 4505 Merrill) November. 

 L905. In the mossy forest at about 2,200 m., abundant. 



Var. crispipila, n. var. 



Similar to the species, flowers white, the inflorescence puherulent and 

 with many crisped ferruginous hairs, the leaves also with few or many 

 crisped hairs on both surfaces and margins. 



LUZON, Province of Benguet, Suyoc to Pauai (47SO Merrill) November, 1005. 

 On high ridges in the mossy forest at about 2,200 m. 



PLECTRANTHUS Liter. 



Plectranthus diffusus Merrill sp. uov. 



A much branched, diffuse, lax herb 1.5 to 2.5 m. high with many 

 flowered narrow lateral panicles forming large compound terminal leafy 

 panicles, more or less pubescent throughout with pale or ferruginous 

 bairs. Branches angled, gray or brownish, pubescent. Leaves ovate to 

 oblong-ovate, 2 to 6 cm. long, 1 to 3 cm. wide, 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. Calyx somewhat hirsute, about 

 2 nun. long, subequally 5-toothed, the teeth acute, less than 0.5 mm. 

 long. Corolla deep purplish blue, 5 to (> mm. long, straight, somewhat 

 pubescent outside, the limb gibbous, 2-lipped, the upper lip short, 3-lobed, 

 the lower one entire about 3 mm. long. Stamens free, filaments very 

 slightly pubescent below. Calyx in fruit scarcely accrescent, reflexed. 

 Xutlets ovoid or elliptical, glabrous, smooth, about f mm. long. 



LUZON, District of Lepanto. Mount Data (4554 Merrill) November 1. 1905. 

 In damp shaded ravines along streams at about 2,000 m. 



