BOTANICAL MUSEUM LEAFLETS 
HARVARD UNIVERSITY 
Cam 
BpRipGr, Massacuusetrts, Juty 11, 1934 Voi. 2, No. 
AN ADDITION TO THE GENUS VANILLA 
BY 
OakrEs AMES 
Vanilla insignis Ames, sp. nov. 
Caules valde elongati, foliosi; foliis planis, coriaceis, 
oblongo-ellipticis, acuminatis, basi subrotundatis in peti- 
olum abbreviatum angustatis. Sepala lateralia oblongo- 
lanceolata. Sepalum dorsale simile. Petala anguste lan- 
ceolata,extus per medium leviter carinata. Labellum fere 
usque ad medium columnae adnatum, leviter trilobatum, 
intus prope apicem valde et dense appendiculatum, intus 
infra medium dense et breviter glandulosum ; lobis later- 
alibus irregulariter fimbriatis; lobo medio rotundato, ob- 
tuso, prope basim utrinque paucifimbriato. Discus labelli 
infra lobum medium plus minusve verrucosus, crista peni- 
cillataretrorsa. Columna gracilis, antice dense glandulosa. 
Stems scandent, elongated, flexuose, about 6 mim. 
in diameter in dried specimens, many-leaved, giving the 
appearance of Vanilla fragrans. Leaves alternate, 11.5-15 
em. long, up to 4cem. wide, 10-14 em. apart, coriaceous, 
oblong-elliptic, abruptly acuminate at the tip, rounded 
at the base and abruptly contracted intothe short petioles. 
Racemes axillary; rachis 8-4 cm. long, bearing approxi- 
mately eight flowers. Bracts of the raceme about 7 mm. 
long, 5 mm. wide, broadly ovate, acute, fleshy, strongly 
concave, about 5 mm. apart. Pedicels abbreviated, nearly 
obsolete. Ovary at anthesis 8.5-4.5 em. long, slender, 
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