TABULA 2970. 
IMPATIENS ROBUSTA, Hook. je 
BALSAMINACEAE. 
I. robusta, Hook. f. (sp. nov.) ; elata, robusta, ramosa, grandiflora, 
foliis ovatis vel rotundatis grosse crenatis utrinque 8-10-nerviis pedi- 
ti alte bracteatis, sepalis eRe ira alarum lobis ambobus apice 
filifer 
pein crassitie n ne pollici cls n ane pennae anserinae, su ucculen nto, ramis 
dm. longa, alterna, petiolata iy mie subsessilia, tenuiter mem- 
branacea, sicca laete viridia, oa vel rotundata, acuta vel acuminata, 
rotundata, cuneata vel acuminata, nervis utrinque in ee 8 
in brevioribus 5-7, petiolo 1-7 cm. longo. Pedunculi 2- m. longi, 
graciles, 1-2-flori; pedicelli breves, medio vel altius caitbentteddit: 
bracteae ovato- vel lineari-lanceolatae, 3-5 mm. longae. Flores 4 cm. 
longi. Sepala 2, orbicularia, acuminata, 10-15 mm. diametro, viridia, 
costa tenui ima basi tumida. Vezillum orbiculare vel ice ata te 
1-4-1-6 cm. latum, costa i ree cristata, crista medio tumida apice 
uncinata. Alae sessiles, 2- em. longae ; lobus bes tns alae: rotun- 
datus, longe filiferus ; dixtalis late dolabriformis, acuminatus acumine 
filifero ; auricula dorsalis magna, inflexa. Labellum sacciforme vel 
saccatim infundibulare, 4 cm. longum, basi in calcar breve robustum, 
5-10 mm. longum, truncatum vel bidentatum, attenuatum ; ore ascend- 
ente acuminato. Filamenta brevissima, lata ; antherae oe 
obtusae. Ovarium angustum, acuminatum, rectum. Capsulae imma- 
turae anguste lineares. 
Curna: Szechuan ; Potanin in Herb. Hort. Petrop. 
ac a The labellum varies considerably between saccate e and in- 
fundibular. The sepals are rather thick in texture ; the lip an 
probably with rose-purple, as in many of its allies. aap D. Hoo 
Fig. 1, peduncle, ovary and bud; 2, sepal; 3, standard; 4, wing; 5, lip; 
6, stamen, All enlar rged. 
