Pleione. 119 



Monsungebiet: Provinz der Philippinen: Luzon, District Lepanto, Berg Data 

 in 2300 m ü. d. M. Epiphytisch (Merrill n. 4482). 



Nota. Affine videtur D. pumilo Rolfe, a quo differre dicitur ambitu callisque labelli, venis 

 petalorum et rhachide nimis fractiflexa. 



72. D. Merrillii (Oakes Arnes) Pfitz. — Acoridium Merrillii Oakes Arnes in 

 Proceed. Biol. Soc. Washington XIX. (1906) 151 et Orchidaceae II. ined. t. 23, I. 1. — 

 Pseudobulbi dense aggregati, fusiformes, monophylli, sicci profunde rugosi, 2 — 

 2,5 cm longi, cataphyllis maculatis cincti. Folia oblongo-lanceolata, acuminata, satis 

 longe et abrupte petiolata, folia sicca nigrescentia , petioli 2,5 — 3,5 cm longi, laminae 

 \\ — 4 4. cm longae 1,5 — 2 cm latae. Pedunculi graciles, nudi (sine bracteis im- 

 bricantibus infra spicam), foliis aequilongi v. subbreviores , spicae laxiflorae, bracteae 

 lineari-lanceolatae, acutae, quam Ovaria ter longiores, 4 — 7 mm longae, apice subulatae, 

 recurvae. Sepala lineari-lanceolata, acuminata. Petala quam sepala breviora, oblongo- 

 lanceolata, apicem versus minutissime denticulata. Labellum trilobum, lobi laterales 

 parvi, margine minute dentati, oblique erecti, semirotundati , lobus intermedius multo 

 major, suborbicularis , antice rotundatus, obtusus, emarginatusque, nervi mediani 3 

 crassiores in disco ceterum ecalloso. Gynostemium apice minute crenulatum, rostellum 

 membranaceum, protensum. — Racemi v. spicae 10 cm longae, 1,5 — 2 cm latae (flores 

 distichi?). — Flores 4 mm distantes; sepala 9 mm longa, 2 mm lata; petala 6 mm 

 longa, omnia 3-nervia, labellum 5 mm longum, lobus intermedius 3 mm longus et latus; 

 gynostemium 2,5 mm longum. — Novembri. — Fig. 38^4, B. 



Monsungebiet, Provinz der Philippinen: Luzon; District Lepanto, Berg Data 

 (Merrill n. 4585, n. 4858). 



Nota. Affinitates praebet ad Platyclinem Kingii Hook. f. et ad Dendrochilum exalatum 

 J. J. Smith, quo facillime intellegendum, haec 2 genera separari non posse. 



151. Pleione d. Don. 



Pleione*) D. Don, Prodr. flor. nepal. (1825) 36; Syst. veget. III. (1826) 727; 

 Lindl. Veg. Kingd. (1847) 181; in Paxton Flower Gard. ; Putzer, Morphol. Stud. Orchid. 

 Blüte (1886) 115, flg. 57; Entwürfe, natürl. Anordn. Orch. (1887) 52, 100; in Engl.- 

 Prantl, Pflzfam. II. 6. (1888) 126 flg. 125#, C, D; 0. Ktze. Revis. gen. II. (1891) 

 679 p.p.; Rolfe, Genus Pleione in Orch. Rev. XI. (1903) 289. — Coelogyne sect. 

 Pleione Lindl. Fol. orchid. (1854) 37 — 42; Miq. Fl. Ind. batav. III. (1859) 668; 

 Reichb. f. in Walp. Ann. VI. (186 1); Pfitzer, Vergl. Morph, d. Orchid. (1882) 152, 154; 

 Benth. et Hook. f. Gen. III. 2. (1883) 519; Hook. f. Fl. Brit. Ind. V. (1886) 828, 

 840; King et Pantling in Annais bot. Gard. Calcutta VIII. 1. (1898) 131, 139, t. 193— 

 196; Rolfe in Journ. Linn. Soc. XXXVI. (1903) 23. — Coelogyne p. p. Lindl. Collectan. 

 bot. (1821) 37; Gen. spec. Orch. (1830) 43; Nat. Syst. (1836) 340. — Gompho- 

 stylis Wall. mscr. ex Lindl. Gen. spec. Orchid. (1830) 43. — Coelogyne sect. Gompho- 

 stylis Endl. Gen. (1837) 190 n. 1347b. — Bolborchis Mor. Syst. Verz. Pfl. Zollinger 

 (1846) 89. — Epidendrum p. p. Smith, Exot. bot. IL t. 97, 98. — Cymbidium p. p. 

 Smith in Rees Cyclopaedia ex Lindl. Coli. bot. 1. c. 



Flores monoklini. Perigonium ad medianam zygomorphum, patens, resupinatum, 

 marcescens. Sepala 3, multo longiora quam lata, aestivatione valvata, libera vel lateralia 

 infima basi connata, medianum symmetricum, lateralia leviter asymmetrica curvata. 

 Petala lateralia libera, sepalis subsimilia vel angustiora. Labellum multo latius, liberum 

 vel cum basi gynostemii in nectarium breve saccatum, cornutum, gynostemio parallelum 

 et circa illud pro maxima parte convolutum, subintegrum vel manifeste trilobum, lobo 

 medio recurvato vel protenso, margine saepissime lacero, nervis mediis sublaevibus 

 fimbriis vel appendicibus variis seriatis, saepe pro parte connatis ornatis. Gynostemium 



*) Uhr]i6i>r], annua; ob durationem annuam pseudobulborum et foliorum; etiam nomen 

 poeticum filiae Oceani. Cf. Lemaire Jard. fleur. I. (1851) t. 93. 



