ORCHID ACEM 177 



JosstBeschr.u. Cult. Orch. 104; Wight Ic. 5: 6, 1. 1646; Reichb.f. 

 in Walp. Ann. 6: 287; Thwaites Enum. PL Ceylon 297; Hemsley 

 GarcL Chron. n. s. 16: 688 (1881); Reichenbachia ser. 1, 2: 31, 

 t. 63; Stein Orchideenb. 186; l'Orchidophile 12: 184 (1892); 

 Veitch Man. Orch. PL pt. 3, 19-20, fig.; Williams Orch. Gr. Man. 

 ed. 7, 326; Orch. Rev. 8 : 41, f. 6 (1900) ; Sander Orch. Guide 67. 

 — D. rhombeum Lindley Bot. Reg. 1843, t. 17 ; Bot. Reg. 1844, 

 Misc. p. 56; Paxton's Fl. Gard. 3: 52; Bot. Zeit. 1 : 333 (1843); 

 Josst Beschr. u. Cult. Orch. 128; Reichenbachia, 1. c. — Callista 

 aurea KuntzeRev. Gen. PL pt. 2, 654 (1891). 



Prov. Albay, Luzon, flowering in Manila, June 11, 1905, A. 

 Loher (no. 6007). 



Tropical Himalaya, Malabar Coast, Ceylon, Burma, Java. 



D. (§ Sarcopodium) LYONII sp. nov. Species D. acuminato 

 Rolfe maxime affinis. Pseudobulbi 4-5 cm. longi, ovoidei, aliquid 

 tetragonales, minute rugosi, diphylli. Folia oblonga, ± 17 cm. 

 longa, 3.5-4 cm. lata, coriacea, ad apicem inequaliter bilobata. 

 Pedunculus altus, ± 5 dm. longu.s, bracteis oblongis vaginatus. 

 Bractece fiorales 2-2.3 cm. longae, vaginantes, saepe pedicellos 

 ovariaque excedentes. Flores magni. Sepala later alia 3.8 cm. 

 longa, triangulo-falcata, acuminata, acuta. Sepalum dorsale peta- 

 lis simile. Petala 3.5 cm. longa, lineari-lanceolata, acuta. Label- 

 lum 3 cm. longum ; lobi laterales obtusi, circa 1 cm. longi, 7 mm. 

 lati; lobus medius late ovatus, acuminatus, 1.8 cm. longus, prope 

 basim 1.3 cm. latus, aliquid flavus in sicco. 



D. Lyonii differs from D. acuminatum in its roughish pseudo- 

 bulbs which are minutely pitted when dry, in its larger leaves, 

 shorter pedicels, longer floral bracts and larger flowers, which are 

 described by the collector as being rosy carmine shading to deep 

 wine red on the labellum. This species has been figured in the 

 Gardeners' Chronicle, ser. 3, 42 : 210 (1907) under the name Den- 

 drobium acuminatum Rolfe. 



Mountains of Bataan, alt. 2000-3000 ft., flowering in May and 



