Phreatia, \ 5 



Folia linearia, apice valde inaequalia, obtusa, crassa, mucronata, basi minute squamii- 

 lata, 4 — 13,5 cm longa, 3,5 — 9 mm lata, vaginae minute fusco-furfuraceae, i — 1,5 cm 

 longae. Inflorescentiae folia subaequantes, scapus filiformis, ad i cm longus, vaginiilis 

 tubulosis, acutis obsessus; ipse, rhachis, bracteae parce squamulosae, spica 2 — 4 cm 

 longa, bracteae e basi dilatata longe acuminatae, acutissimae, ovarium non aequantes, 

 maximae 2 — 5 mm longae. Flores parvi 1,7 mm lati, 2,7 mm longi, vivi albi, sicci 

 sordide aurantiaci, conniventes, extus minute squamulosi (furfuracei?). Sepalum dorsale 

 ovatum, obtusum, concavum, 2 mm longum, 1,5 mm latum; lateralia mentum sacca- 

 tum, rotundatum, a dorso compressum, 0,7 5 mm longum formantia, antice oblique ovata, 

 acuta, concava, obscure carinata. Petala oblique ovata, obtusa, saepius apice 1 — 3- 

 denticulata, 2 mm longa, 1 mm lata. Labellum apice recurvum, concavum, rhombeum, 

 obtusum, apiculatum, in linea media basi incrassatum, glabrum, 2,5 mm longum, 1,6 mm 

 latum. Gynostemium brevissimum, stelidia et filamentum dentiformia, anthera cordata, 

 acuta, ovarium minute squamulosum. — Fl. Julio et Augusto. — Fig. 3J5, a — g. 



Papuanische Provinz: Niederländisch Neu- Guinea. Am Noordflusse, südlich des 

 Geluks-Hügels epiphytisch im Uferwalde (Versteeg n. 1393! u. 1560!). 



16. P. myosurus (Forst.) Arnes, Orchidac. II. (1908) 203. — Eria Myosurus 

 Reichb. f. in Seem. Fl. Vit. (1868) 300, non in Bonplandia V. 54; Drake del Castillo 

 Fl. Polynes. Fran?. 213 et lUustr. Fl. Insul. Mar. Pacif. 308. — Eria stachyurus 

 Reichb. f. in Seem. Fl. Vitiens. (1868) 301. — Epidendrum Myosurus Forst. Prodr. 

 (1786) 60; Swartz in Nov. Act. Ups. VI. (1799) 82; Schrader's Journ. Bot. II. (1799) 

 235 et Act. Holm. XXI. (1800) 246; Willd. Spec. pl. IV. 133; Pers. Syn. II. 522. — 

 Oberonia Myosurus Lindl. Gen. et Sp. Oi-ch. (1830) 16 et Fol. Orch. Oberonia 8. — 

 Malaxis Myosurus Reichb. f. in Walp. Ann. VI. (1861) 216. — Titania miniata 

 Guillemin Zephyritis Taitens. (1837) 141; Panch. in Cuzent Tahiti (l 860) 239 (non End- 

 licher). — Caulis 1 — 4 cm altus. Folia disticha, basi articulata, linearia, apice obtusa, 

 inaequali-biloba, 10 — 18 cm longa, 7 — 10 mm lata. Racemi quam folia breviores v. 

 aequilongi, rhachis tenuis, parce vaginata, spica ipsa satis laxiflora, multiflora, bracteae 

 triangulae, acuminatae, pellucidae, ovai'ia tantum aequantes. Sepalum dorsale petalaque 

 angustiora oblonga, obtusa; sepala lateralia bene majora, mentum vix conspicuum for- 

 mantia. Labellum rhombeum, apice obtusum, integrum, vix concavum. Rostellum bi- 

 lobum. — Flores viridi-albi, minutissimi, sepala 1 mm longa, labellum vix longius. — 

 Julio — Augusto — Septembri. 



Melanesische Provinz: Societäts-Inseln (Forster, Lay und Collie — nach 

 Drake del Castillo). — Tahiti (Moseley!). — Fidschi-Inseln (Seemann n. 589!). 



Nota. Oberonia Myosurtts Eook. Ic. PI. t. -1786 6 et Fl. Brit. Ind. V. 685 (non Wall, nee 

 Lindley) est genuina Oberonia et a planta nostra diversissima. 



17. P. aristulifera Arnes Orchidac. II. (190 8) 199 c. ic. xylogr. — Caules ab- 

 breviati, complanati, 1 — 2 cm alti, paucifoliati ( — 6). Folia ligulata, apice inaequali- 

 biloba, ad 1 5 cm longa, circ. 8 mm lata. Racemi longe pedunculati, folia excedentes, 

 basi vaginulis aristatis instructi, inflorescentia ipsa 8 cm longa, bracteae 4 — 5 mm 

 longae, subito aristatae, pedicellos cum ovariis bene superantes. Sepalum dorsale ovatum, 

 acutum, lateralia subobliqua, oblonga, acuta, mentum satis longum, obtusum formantia. 

 Petala breviora^ elliptica, obtusa. Labellum bene brevius, e basi lineari spathulatum, 

 antice subretusum rotundatumve, leviter emarginatum. — Flores albidi, sepala lateralia 

 cum mento 3 mm, dorsale et petala 1,5 mm longa. Labellum 2,5 mm longum, antice 

 1,25 mm latum. — Octobri. 



Provinz der Philippinen: Luzon. Prov. Benguet, Mt. S. Tomas (Williams 

 n. 1955 in herb. New York Botan. Garden). 



18. P. ensifolia Ames Orchidac. IL (1908) 202 c icone xylogr. — Radices 

 fibrosae. Caules 3 — 4 cm alti, basibus foliorum vaginantium tecti. Folia pauca (ad 7) 

 disticha, coriacea, ensiformia, acuta, circ. 3 cm longa, circ. 3 mm lata, v. rectius alta. 

 Racemi folia aequantes excepta basi floriferi, bracteae lineari-lanceolatae, acuminatae, 

 steriles et fertiles aequales. Sepalum dorsale lateralibus subaequale, omnia ovata, ob- 



