Refugium Botanicum.] [ October, 1872. 
TAB. 101. 
Tribe VANDE. 
Genus AmBpLostoma, Scheidw. 
A, rripactyium, Rehb. f. in Walp. Ann. vi. 485. Rhizomate repente, 
caulibus fusiformibus, vaginis scariosis albidis apice retusius- 
culis seu acutis, laminis evolutis ad quinque, vaginis foliorum 
verorum arctis, laminis lineari-ligulatis apice oblique rotun- 
datis, nune cum apiculo, racemo seu panicula nutante, vaginis 
supra folia nullis, floribus (saltem in speciminibus meis) dis- 
tantibus, bracteis triangulis acutis, ovariis pedicellatis multoties 
brevioribus, sepalis oblongis obtuse acutis seu obtusis, tepalis 
cuneato-lgulatis, labelli adnati lamina trifida, lacinia media 
anguste triangula recta, laciniis lateralibus falcatis seu ligu- 
latis retusis, limbo externo involuto, callo depresso trifido in 
basi disci, cruribus lateralibus obtusangulis, crure medio 
lanceo-acuminato usque versus apicem lacinie medix pro- 
erediente, columna crassa conica, androclinio lobulato, anthera 
reniformi quadriloculari, polliniis sphericis, per paria col- 
lateralibus in caudiculis linearibus, glandula triangula, antice 
plus minus emarginata.—Fpidendrum tridactylum, Lindl.! B. 
Reg. xxiv. Mise. 81; Lindl. Folia Epidendrum, p. 90, 91, No. 
290. <Amblostoma cernua, Scheidw. in Otto d Dietrich, Allg. Gartz. 
1888, 888; Rchb. f. Xenia, 1. p. 187. Sarcadenia gracilis, 
Brongn. ! in Hort. Paris. 
Mimiecry is often very curious. Here we have a plant which 
plays EHpidendrwm with such success that even our most acute 
Dr. Lindley was deceived, though, indeed, if he had conceived 
the idea of looking at the pollinarium, he would have seen what 
Ad. Brongniart and the writer of these lines stated. I suspected 
that the Hpidendrum micranthum, Lindl.! was another species. 
It appears, however, to be a genuine Hpidendrum. It was com- 
pared in its habit, by Dr. Lindley, with LE. tridactylum. There 
is, however, a second species from Bolivia: 
AmpLostomMa peNsuM. _Caule crasso late vaginato, foliis oblongo- 
ligulatis obtuse acutis, inflorescentia paniculata erecta densi- 
flora, sepalis (atropurpureis) oblongis obtuse acutis, tepalis 
spathulatis acutis, labello trifido, laciniis lateralibus divaricatis 
lineari-lieulatis obtusis, lacinia media porrecta triangula brevi, 
