COLLECTED IN DUTCH KEW GUINEA. 201 



petalis brevius uugue longo cavnoso canaliculato lineai'i, Jamina ovata abrupte 

 acuminata ad basin breviter saccato-gibbosa, nervo in medio incrassato ab ungue 

 usque ad apicem percurrente. Columna gracilis elongata, ad stigma abrupte 

 dilatata, margine clinandrii in dorso elevato rotundato ovato. 

 Camps X to XII, 6700 to 11,500 ft. 



Apparently allied to J[f. mort^i(?o^«, Sclilecliter, but the flowers lia,ve a longer peduncle, 

 the sepals are connate for two-thirds of their length, acute and rather similar, and the 

 sac of the lip is very short. 



Mediocalcar montanum, RidL, sp. nov. 



Rhizonia radicans, 8 cm. longum, 2 mm. crassum, vaginis tenuibus acuminatis arete 

 amplectentibus 1'5 longis, radicibus filiformibus, pseudobulbis cylindricis 1 cm. 

 longis 1 mm. crassis bifoliis. Folia linearia, subobtusa, coriacea, apice biloba, 

 minute mucronata, 2-4 cm. longa, 1-2 mm. lata. Pedancnlns uniflorus, 2 cm. 

 longus, pedicello 1 cm. longo gracili. Flos 1'3-1"0 cm. longus, Sepala ad § connata, 

 partis liberis ovatis acutis, basi gibbosa. Fetala oblongo-linearia, breviter acuminata, 

 acuta. Labellum ungue late lineari, nervis 2 in disco elevatis, lamina abrupte 

 triangulari acuta basi lata, costa niediana nulla. Columna valida, superne abrupte 

 dilatata, clinandrii margine in dorso baud elevato. Antlicra conica, obtusa. 

 Camp XIII, 10,500 ft. 



This species closely resembles the preceding in external characteristics, though it 

 is more condensed and has thicker leaves, but tbe ditfercnt lip and column make it 

 necessary to separate it. 



GilTLiANETTA DiSTiCHA, Pi^idl., sp. nov. (Plate 4. fig. 71 ; 6. figs. 70, 72, 73.) 



Caules 20 cm. alti, 1 mm. crassi, dense foliati, ubi vaginis fuliorum teeti 7 mm. crassi. 

 Folia disticlia, linearia, obtusa, costata, coriacea, 2'5 cm. longa, 2 mm. lata, vaginis 

 tissis marginibus crispis pallidis 1 cm. longis cm. latis. Racemns axillaris, 

 prope apicem caulis gracilis, ereclus, pauciflorus, 5 cm. longus. Bractece inferiores 

 lanceolatae, acuminatre, 19 mm. longae, 5 mm. latse, caiterse minores. Pedicelli 

 2 cm. longi. Sepala lanceolata, acuminata, 1'3 cm. longa, 3 mm. lata, subsimilia. 

 Petala ovata, acuta, 8 mm. Icmga, 7 mm. lata. Labellum basi columnse adnatuin, 

 calcare 8 mm. longo 2 mm. lato ad basin cornuto acuminato recto obtuso, lamina 

 oblongo-orbiculari retusa 5 mm. longa et lata. Columna longiuscula, 5 mm. long;i, 

 apice lata, I'ostello integro undulato clinandrio baud prolundo, stigmate lato. 

 Arithera filamento lato, ovata, acuta, bilocularis. PolUnla 4, pyriformia. 

 Camps XII to XIII, 10,500 to 11,000 ft. 



The genus GiuUanetta was founded by Uolfe on a remarkable plant very different 

 from this in habit, but like it possessing a lip adnate to the column, and with it forming 

 a long tubnlar spur. To this genus Schlechter has added G. viridis from New Guinea, 

 which is more closely allied to my new species, in that it possesses broader leaves than 

 the type. O. distieha, however, differs in ihe absence of warts and cilia on the sheaths, 

 in posse.ssing a two-flowered raceme, a keelless lip, and in other points. 



SECOND SKllIES. — BOTANY, VOL. IX. 2 i) 



