Decbmbeh 12, 1912] Okchid. Novae et Criticae Ins Philippinaruu 1573 



cm. in diametro. Pedicelli elongati, cum ovario usque ad 4.5 cm. 

 longi, glabri. Sepala lateralia elliptico-lanceolata, acuta, 2.3 cm. 

 longa, 12 mm. lata. Sepalum dorsale simile. Petala elliptica, 

 obtusa, 2.3 cm. longa, fere 1.4 cm. lata, membranacea. Labellum 

 ad basim bilobatum, lobi laterales oblongi, ad apicem rotundati. 

 1 cm. longi, 4.5 mm. lati,3-nervii;lobus medius ultra lobos later- 

 ales circiter 12 mm. longus, ad basim hastatus vel bilobatus, 

 ad apicem dilatatus in limbo reniforme, 6 mm. lato productus; 

 lobi basilares triangulares. In disco ultra lobos laterales callus 

 erectus, glaber, bilobus, lobi subcrassi, obtusi, circiter 2 mm. 

 longi. Columna gracilis arcuata. 



Spathoglottis Elmeri is a near relative of S.chrysantha Aynes, 

 but clearly distinguished from that species by its more robust 

 habit, reniform tipped middle lobe of the lip, broad lateral lobes 

 and by its large lanceolate leaves which are said by the collector 

 to attain a length of one meter. To this species I now refer No. 

 4375 of M. L. Merrit, preserved in the Herbarium of the Bureau of 

 Science, which in Philip. Journ. Sci. (Bot.) II; 327, 1907,1 identi- 

 fied w^ith S. aurea Lindl. 



Island of Negros: Province of Negros Oriental, Dumaguete 

 (Cuernos Mts.), May, 190S, A. D. E. Elmer, lOOSO. 



Small loose tufts upon moss covered boulders of damp woods 

 at an altitude of 4500 feet. Stem and stem-bases dull purple; 

 flowering stalk terete, purplish toward the base, green toward the 

 apex; pedicels yellowish green; buds and flowers light lemon 

 yellow, odorless. 



DENDROBIUM Sw. 



Dendrobium Elmeri sp. nov. (§ Aporum.) 



Aff. D. atropurpureo (Bl.) Miq. Caules simplices, paulum 

 distantes, usque ad 30 cm. alti, omnino dense foliosi. Folia 

 coriacea atroviridia, lineari-lanceolata valde acuta a latere visa, 

 usque ad 6 cm. longa, circiter 6 mm. lata prope basim. Flores 

 rigidi, solitarii fere semper laterales vel pseudoterminales. Racemi 

 breves, usque ad 1.5 cm. longi, bracteolis vaginantibus, vestiti. 

 Sepala lateralia rigida, triangularia, acuta, 4.5 mm. longa, men- 

 turn 3 ram. iongum formantia. Sepalum dorsale oblongi-lanceo- 

 latum, circiter 4 mm. Iongum, rigidum. Petala 3 mm. longa, 



