trorse, stipitate glands on the anterior wall within. Col- 
umn of the genus, 2—2.5 mm. long. 
British New Guinea: abundant around small stagnant pools in 
flood-plain forest, Palmer River 2 miles below junction with Black 
River (long. ca, 141°30/ E., lat. ca. 5°55’ S.), alt. 100 meters, pale 
fleshy ascending herbs ca. 25 em. high, flowers green, July 1936, 
Brass 7199 (Tyre in Herb. Ames). 
Krythrodes sutricalcar is most closely allied to 1. ad- 
scendens LL.Wms., but is easily distinguished by the dif- 
ferently shaped leaves, by the inflated spur, and by the 
details of the lip, petals and sepals. 
The specific name is in allusion to the suture-like cal- 
lus-thickening on the posterior wall of the spur. 
Malaxis seleniglossa (Sch/tr.) L.O. Williams comb. 
nov. 
Microstylis seleniglossa Schlechter in Fedde Repert. 
Beihefte 1 (1911) 115; in Fedde Repert. Beihefte 21 
(1923) t. 44, fig. 152. 
British New Guinea: Amieng on Yaneng River, a tributary of the 
Buso River, above mouth of Tosapik Creek, Morobe District, eleva- 
tion 5000-6000 ft., buds green, April 3, 1941, Clemens 12095 a. 
The determination was made from the description and 
floral analysis cited. 
Dendrobium cyananthum L.O. Williams sp. nov. 
Herbae parvae, epiphyticae, caespitosae, usque ad 10 
cm. longae. Folia lineari-filiformia, coriacea vel subter- 
etia. Inflorescentia brevis, uni- usque ad triflora. Sepalum 
dorsale lanceolatum, acutum vel acuminatum, leviter cu- 
cullatum. Sepala lateralia basi mentum formantia; lam- 
ina lanceolato-triangularis, acuta vel acuminata, leviter 
obliqua. Petala lineari-oblanceolata, acuta vel acuminata. 
Labellum oblongo-oblanceolatum, acutum, prope apicem 
subtrilobulatum, leviter carnosum, ecallosum. 
Small caespitose, epiphytic herbs up to about 10 cm. 
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