[FRoM BoTANICAL GazRETTE, Vol. XVIII.] 
Undesceribed plants from Guatemala. X. 
JOHN DONNELL SMITH. 
WITH PLATE I. 
Sloanea pentagona (series AXILLIFLORJE BRACHYSTACHYJE 
Benth. Journ. Linn. Soc. v. Suppl. 62).—Ovary excepted glab- 
rous: leaves coriaceous, nitid, entire, oblong (7-9 x 21-3"), 
acuminate, base obtusish, midrib and six to seven pairs of long- 
ascending nerves salienton both surfaces with distincttransverse 
veinlets, petioles short (3!): racemes subsessile, suppressed, 
few-flowered; pedicels incrassate, angular, (6—8!), exceeding 
ovoid alabastra: perianth 4—5-merous: sepals thick, ovate-lan- 
ceolate, colored within: petals shorter, lanceolate: stamens 
bi-seriate, lightly cohering at base, linear anthers thrice ex- 
ceeding filament, connective mucronate: ovary velvety, pyra- 
midate, concavely 5-angled, prolonged into short simple style, 
ovules in superposed pairs: developed flowers and fruit not 
seen. —A large tree with the habit of 7yrodza, discovered by 
Baron von Türckheim on his estate at Pansamalá, Dept. Alta 
Verapaz, alt. 4,000f, Jan. € (ex Pl. Guatemal. qu. edid. 
jd 5 Lal 
Xanthoxylum foliolosum ($PTEROTA Endl.).—Scandent, 
armed with short recurved prickles, blotched with exudations, 
glabrous throughout: leaves 10-15-jugate, rachis narrowly 
margined and aculeate; leaflets opposite, subsessile, shortly 
oblong (6x4), apex round, base truncate and biglandular, 
coriaceous, veins obsolete above, crenatures glandular, the 
odd leaflet ovate-oblong and longer, the lower pairs roundish 
and smaller: panicles axillaty and terminal, a third as long as 
leaves, axes divaricate: sepals triangular, petals thrice longer, 
gynophore very short, carpids one to twoand punctate: coccules 
one to two, nearly distinct, sessile, globose (21!), subequalling 
pedicels, glandular-tuberculate, endocarp adnate, epidermis of 
globose seed fleshy. —X. Pzerota HBK., nearest in habit and 
technical characters, is distinct by obovate and less numerous 
