Refugium Botanicum.] [ October, 1872. 
TAB. 106. 
Tribe VANDEZ. 
Genus ZyGosEpautum, Lichb. f. 
Z. rostratum, Rchb. f. in de Vriese. Kruidk. Archief, 1857, Walp. Ann. 
vi. 666. Rhizomate scandente, radicibus crassis undulatis levi- 
gatis densissime intricatis onusto, vaginis distichis scariosis 
triangulis acuminatis vestito, vaginis summis Ornithidit more 
pseudobulbos nune equantibus, foliis pseudobulbos stipantibus 
vaginiferis, lamina cuneata oblongo-lanceolata acuminata papy- 
racea, nervo medio inferne bene prominulo, pseudobulbis 
vetustis ligulatis ancipiti-pyriformibus depressis utrinque 
ancipitibus, junioribus levibus, veteribus rugoso-sulcatis 
monophyllis, folio a basi cuneata ligulato oblongo-lanceolato 
acuminato, nervo medio prosiliente, nervis reliquis utrinque 
obscuris, pedunculo ex axilla vagine summe stipantis, vaginis 
ternis, vagina summa elongata, unifloro usque trifloro, bracteis 
lanceolatis acuminatis ovarium pedicellatum bene excedentibus, 
bractea fatua breviori, alabastro a basi lata ampla abrupte 
rostrato apice rostri ascendente infra medium abrupto, sepalis 
tepalisque lanceolatis acuto-acuminatis hine undulatis, apice 
nune reflexis, labelli lamina oblonga apiculata seu transverse 
ovata obscurissime subtriloba acuta, callo in ima basi utrinque 
dilatato, antice nunc denticulato, seu subinteero selleformi, 
columna trigona apice utrinque obtusangulo-dilatata, circa 
antheram fimbriato-serrulata, anthera conica in apicem longum 
subulatum extensa, polliniis depresso-pyriformibus per paria in- 
cumbentibus, quadrigeminis, caudicula pandurata antice emar- 
sinata, glandula emarginata supposita.—Zyyopetalum rostratum, 
Hook. Bot. Mag. 2819. 
This highly ornamental species was originally introduced from 
Demerara by Parker. It was also found there by Schomburgk! 
(No. 502!). Later it was observed in Surinam, not very far from 
Paramaribo, by Kegel, who sent living specimens to Mr. Van 
Houtte, from Focke, and a drawing, by Wullschligel! whose 
dried specimens are at hand, as well as Splitgerber’s! who ob- 
served it on trunks of trees (No. 748!). Mr. Wallis, who sent 
many living specimens to Mr. Linden, observed it near Para on 
