208 ROBINSON. 
midrib about 20, evident on the upper surface, but not on the under 
surface. 
Type colluctfd at an elevation of 1,950 m on Mount Apo, District of Duvao, 
INiinflnnao, by R. S. Williams, no. 2509, in flower and fruit, April, 1905. From 
it, it is impossi(>Ie to sepnrate DeVore d Hoover 309, from, the same locality, May, 
lOCJ, altliougli the leaves are smaller than in the type, furnishing the minimum 
measuiements given above. 
Medinilla pachygona ap. nov. 
Arbupcula raniosa; floribus ternis breviter pediccllatis pcduuculorum 
tenerorum apice fasciculatis, pentameris; calyce cupuliformi truncato, 
supra ovariujn protracto; foliis petiolatis, ellipticis, ovalibus, vel ovatis, 
basi acutis, apicec breviter obtuscquc acuminatis. 
riowers fascicled in threes, borne on pedicels 3-5.5 m long, which 
arc minutely bracteolate at the base, radiating from the apex of very 
slender peduncles 3-4 em long, arising singly or in pairs in or beneath 
the axils of the lateral leaves: single flowers 1.6 cm long; calyx cup- 
shaped, 5.5-8 mm long, 5.5-8 mm wide, strictly truncate except for 5 
minute, inconspicuous teeth, glabrous without, densely tomentose A\iihiu, 
prolonged 2.5 mm beyond the ovary and very loosely inclosing the flower; 
petals 5, pale pink, strongly imbricate, twisted to the right, broadly 
elliptic, 11-12 mm long, 6 mm wide, rounded at the apex, densely short- 
tomentose on both surfaces except on the margins, veined along the mid- 
dle; stamens 10, su])equal, the fdaments 4.5 mm long, gradually thickened 
upwards, antliers linear, blunt at the apex, connective at the base formiiig 
two lateral lobes and a short spur, each about 0.8 inm long; ovary with 
very thick outer walls, the lumen forming only about one-third of the 
whole diameter, 5-uelled; style nearly 1 cm long, glabrous, slightly thick- 
ened upwards; stigma capitate, narrower than the style. 
A slender ])us]i 3.5 m higli, with numerous slender branches, its 
ultimate branches covered with gray ])ark, striate, subangulate; leaves 
opposite, borne on petioles 4.5-8.5 mm long, the lamina elliptic, oblong, 
or ovate, 4.5-7 cm long, 2.2-3.7 cm (mostly 2.5) wide, acute at the base, 
shortly and bluntly acuminate at the ai)cx, 5-nervcd, bluish-green and 
glabrous on the upper surface, minutely brown-lepldote-tomentose on the 
under, entire, moderately coriaceous. 
Type coUectea at Baguio, Province of Benguct, Luzon, by R. S. Williams, 
iw. 952, iu 'flower and young fruit, September 20, l'J04. 
Medinilla williamsii sp. uov. 
Frutex parvus; floribus cpnosis, lougc pcdunculatis, in caulis parte in- 
feriori plus minusve fasciculatis, pentameris, calyce late sed breviter 5- 
lobatis, petalia albidis; foliis mediocriter petiolatis, oblongis vel elliptieis, 
papyraceis, apico l)revispi!ne acuminatis, base subacutis; venis utrinque 
5, pinnatim dispositis. 
Flowers cauline, borne on tubercles situated usually on the lower 
