217 
collected by Pearce at Coroico and Sandillani. Distributed as 
* Ardisia." 
GEISSANTHUS BANGI sp. n. 
Branches stout, crooked, light brown, very rugose, glabrous or 
very sparsely lepidote above, leafy; leaves 10-20 cm. long, 3-6 
margined petiole 1 cm. long, the apex short-acuminate, obtusish, 
pale, membranaceous, entirely glabrous, the midrib elevated 
both sides, prominent below, the principal veins about 15 pairs, 
prominently reticulate ; panicles sub-sessile, 10-20 cm. ong, 7-10 
cm. broad, lax, pyramidal, the rhachis angled, minutely lepidote : 
pedicels 3-4 mm. long, slender, dilated upward, continuous with 
the calyx; fully expanded flower 4 or 5 mm. broad; calyx black- 
dotted, the tube hemispherical,the lobes broadly ovate, obtuse, 
erect, as long as the tube; corolla black-dotted, the strongly re- 
flexed lobes oval, 1 14 times the length of the tube, faintly 3-nerved ; 
staminate flowers, filaments 3 mm. long, slightly flattened, anther 
1.25 mm. long, oblong; style about equalling the filaments ; 
pistillate flowers and fruit not seen. 
Songo, Nov. 1890 (834)—Spruce's 5185, and also collected by 
Pearce in Yungas. Distributed as “ Ardisia." 
PARATHESIS MACROPHYLLA (Benth.) Britton. (Ardisia ferruginea 
H.B.K. var. macrophylla Benth. Pl. Hartw. 217). Songo, Nov. 
1891 (861). 
STYRACEAE. 
Styrax ovata (R. & P.) A.DC. Prodr. 8: 267. Yungas, 1890 (467) 
— Rusby's 838. 
OLEACEAE 
Menodora helianthemoides H. & B. Pl. Equin. 2: 98. pl. 770. Songo, 
Nov. 1891 (942). 
APOCYNACEAE. 
PRESTONIA MUELLERI sp. n. 
13 inely but densely short yellowish-strigose throughout ; stems 
stoutish, the internode about twice the length of the leaves next 
above; petioles less than 1 cm. long, very stout; leaves 9-12 cm. 
long, 6-8 cm. broad (larger?) ovate, the base rounded, the apex 
short-acuminate and acute, primary veins about 4 pairs, the others 
indistinct ; racemes short-peduncled, simple, the pedicels 1.5-2 cm. 
long; calyx ample, 1.5 cm. long, 1 cm. broad, the tube very short, 
