Forty-one flowers and five buds arising from spathes to 2.2 cm at the base of ovate/cordate leaves to 11.5 cm wide by 27 cm long, peduncle to 45 cm, plus one immature leaf on a very clean 38 cm wide by 40 cm high plant in a 13 m plastic pot; flowers ivory, heavily suffused dark cerise, veined darker cerise; lip cream; anther cap white; substance very firm; texture crystalline.
NS 3.1 x 2.0 for
DS 2.2 x 1.0
PT 0.8 x 0.2
LS 2.8 x 1.8
LP 0.4 x 0.5
This is from volume III - unfortunately there is not text to accompany it.
We need Icones Pleuro XXVII; p. 99-100, 217
 Pleurothallis calceolaris Rchb.f. is an accepted name