near the base, above prominently and regular!}- dentate, dull, the nerves 

 and midrib 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 branches verticillate, spreading, branched, glanduhir 

 [)ul»ei-ident. 2 cm. long or less; bracts deciduous, ovate, acuminate, 7 to 

 8 mui. long. Calyx glabrous within, glandular puberulent outside, in 

 fruit aljout 10 nnn. long, the upper lip broadl}^ ovate, acute or slightly 

 acuminate, fiat, 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 lip nearly 1 cm. 

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

 glal)rous, shining. 



Luzon, District of Lepaiito, Mount Data (4502, 4483, 4505 Merrill] November, 

 1905. Ill the mossy forest at about 2,200 ni., abundant. 



Var. crispipila, n. var. 



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

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

 crisped hairs on both surfaces and margins. 



Luzox, Province of Benguet, Suyoc to Pauai (4780 Merrill) November, 1!J05. 

 On high 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 compound terminal leafy 

 panicles, more or less pubescent throughout Avith pale or ferruginous 

 hairs. 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 mrii. long, subequally 5-toothed, the teeth acutt", 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-lobed, 

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

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

 Nutlets ovoid or elliptical, glabrous, smooth, about 1 mm. long. 



Luzox, District of Lepanto, Mount Data (4554 Merrill) November 4, 1905. 

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



