248 MERRILL. 
Utricularia tenerrima Merr. (C7. scandens Oliver, non Benj.) has 
previously been reported only from Madras, but the Philippine specimens 
appear to me to agree perfectly with the description as given by Oliver. 
ACANTHACEAE. 
PSEUDERANTHEMUM Radlk. 
PSEUDERANTHEMUM PULCHELLUM (Hort.) comb, nov. 
Eranthemuni pulchellunt Hort. Gartenmag. (1810) 176, t. 17, 
Eranthemum bicolor Schrank. Hort. Monac. (1819) L 8; Nees in DC. 
Prodr. 11. (1847) 456. 
P sender anthumum bicolor Radlk. ex Lindau in Engl. & Prantl Nat. 
Pflanzenfam. 4='" (1895) 330, Perk. Frag. Fl. Philip. (1904) 39. 
Common and widely distributed in the Philippines; Java, Timor, etc. 
STAUROGYNE Wall. 
STAUROGYNE RIVULARIS sp. nov. 
Herba erecta, plus minusve ramosa, usque ad 20 cm alta, 
partibus junioribus inflorescentiisque glanduloso-pubescentibus ; 
f oliis breviter petiolatis, basi angustatis, anguste oblongo-obovatis 
vel oblanceolatis, 2 ad 6 cm longis, integris vel obscure undulato- 
crenatis: floribus brevissime pedicellatis; corolla 7 ad 9 mm 
longa ; capsula oblonga, 5 mm longa. 
An erect herb, apparently from a perennial root, usually 
branched from the base, 10 to 30 cm high, the stems terete, 
slender, brownish-purple. Younger parts and inflorescence 
glandular-pubescent. Leaves narrowly oblong-obovate to oblan- % 
ceolate, 2 to 6 cm long, 5 to 15 mm wide, base narrowed to the 
short petiole, apex acute or obtuse, entire or obscurely undulate- 
crenate, thin. Flowers solitary in the axils of the uppermost 
reduced leaves, forming a terminal, somewhat leafy, spike or 
spike-like raceme 1 to 5 cm long. Bracteoles glandular-hairy, 
green, oblanceolate, acuminate or acute, about 7 mm long, 2 
mm wide. Calyx green, about 7 mm long, glandular-hairy, the 
upper lobe lanceolate, 1.6 mm wide, the other 4 linear, about 
0.5 mm wide, free nearly to the base, subequal and a little shorter 
than the upper one. Corolla 7 to 9 mm long, tubular, sparingly 
pale-purplish or nearly white, the lower lip with distinct deep- 
purple stripes. Lips subequal, the upper one with 2 orbicular 
or somewhat reniform, rounded, 1.6 mm long lobes, the lower 
lip with 3 similar but narrower lobes, glandular at the tip. ^ 
Stamens unequal, included, the filaments white-hirsute; con- 
nective very broad, the cells diverging downward, the anther 
when spread about 1.5 mm wide. Ovary ellipsoid, 1.5 mm long; 
style 4 to 5 mm long. Capsule oblong, cylindric or slightly 
