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TABULA 2916. 
IMPATIENS CRASSICORNU, Hook. f. 
BALSAMINACEAE. 
I. crassicornu, Hook. }. (sp. nov.); I. chinensi, L., affinis, differt sepalis 
ovato-lanceolatis, vexillo dorso crasse cristato et calcare labelli crasso 
medio inflato. 
Herba robusta, glaberrima, caule simplice erecto stricto crasso. 
Folia 4-5 cm. longa, opposita, su atecilte, subcoriacea, lineari-oblonga, 
acuta vel obtusa et mucronata, basi angustata, marginibus veiniies 
spinuloso-serrulatis, infima breviora, obovato- -oblonga, subtus pallida, 
costa firma, nervis paucis obscuris ; glandulae infra- Looe setaceae, 
deflexae. Pedicella solitarii, -3 cm. ongi, ebrac 
cm. expansi, crassiusculi. Sepala ot eae, acuminata, 
5-7 mm. longa, firma, 5-nervia. Vewillum ovato-ro tum, acumi- 
mm. longum, convexum, costa so crasse cristata. Al 
sessiles, 12-15 mm. longae ; lo asalis parvus, oblongus, obtusus, 
ecurvus ; distalis te late 8 stipitatus, semilunaris vel late dolabri- 
formis, apice rotundatus; auricula dorsalis rotundatus. Labelli limbus 
cymbi iformis, Seen ASCén ies 3 mm. longus; calear quam limbus 
ter longior, incurv ssum quasi inflatum, apice bidentatum. 
um 
Filamenta previa, rile antherae ‘aia Ovarium fusiforme, 
obtusum, incurvum. 
Cutna: Prov. ee Mt. Pakwan, near Canton, Herb. Mus. 
Palat. are 
A well-marked species of which I have seen but one specimen 
ogee ticketed in pencil as from near Canton. Its affinity is with 
inensis, from which it widely differs in the rigid oe 
sepals in the thick texture of the floral envelopes, crested vexillum, and 
n the remarkable lip, the inflated spur of which is thick- walla. 4 con- 
sucked at the base and strongly incurved. The saved 8 name is not 
inscribed on the sheet with the specimen.—J. D. is 
Fig. 1, flower ; 2, sepal; 3. and 4, standard ; 5 and 6, wings; 7, lip; 8, stamens ; 
9, ovary. All enlarged. 
