I 
46 AMES. 
Malaxis rizalensis sp. nov. 
Aff. M. purpureae. CauUs brevis, 3-4 cm longus, vix incrassatus. 
Folia 3-5, lanccolata vel ovato-lanceolata, acuminata, acuta, petiolata; 
lamina 6-13 em longa, 2.5-4.5 em lata. Petiolus vaginans, 2.5-3.5 em 
lougus. Tota planta usque ad 2.2 dm alta. Pedunculm 9-17 cm longus, 
foliis longior. Racemus circiter 9 cm longus, laxiflorus, flores purpurei. 
Bradeae lineari-lanceolatae, 5 mm longae, dependentes. PediceUi usque 
ad 7 mm longi. Sepala lateralia elliptica valde obtusa, 4-i3ervia, 3.5 
mm longa, 1.5 mm lata. Sepalum dorsale oblongum, obtusum, 4.5 mm 
longum, circiter 1.5 mm latum. Petala lineari-oblonga, obtusa, 3-nervia, 
4 mm longa, 1 mm lata. Lahellum magnum, ovato-cordatum, obscure 
3-lobatum; lolus medius bifidus, 3 mm longus, 3 mm latus; loU laterahs 
obtusi, minuti, producti in auriculas magnas, obtusas, inter 'quas columna 
prominet. Auriculae oblongae 2 mm longae, 1.5 mm latae in sicco ner- 
vosae. Columna crassiuscula. 
■Luzon, Rizal Province, Bosoboso, Bur. 8ci. J,5G1 Maximo Ramos, An^ist "l907 
{Type in Hb. Bur. Sci., no duplicate). ° ' 
M rizalensis is a very near ally of J/, purpurea and when studied with the 
aid of more material than I possess may prove to be conspecific with it The 
stems are short and .the leaves are not conspicuously congested. At least 
my material is clearly diiTerentiated from Zollinger's no. 2536 (Hb. British 
Aluseum of Natural History) cited by Ridley under Mi^rostylis purpurea in 
the Revision of the Genera Microstylis and Malaxis," and by J. J. Smith in "Die 
Orchideen von Java." The labellum of M, Hzalensis resembles in general outline 
that of M. HutcMnsoniana (cf. Ames, Orchidacea^ 2: 128) but is distinguish- 
long, M. WallicJni is a near ally of our species. 
Malaxis uncata sp. nov. 
M. sagittatae (J. J. Sm.) affinis. CauKs brevis vix incrassatus, usque 
ad 3 dn longus. Folia breviter petiolata, 3, quorum unum parvulum est 
Lamina lanceolata, breviter acuminata, acuta, glabra, 5-nervia. Folium 
infimum usque ad 2 cm longum. Folium superum 8 cm longum 2 5-3 
cm latum Pedunculm elongatus, gracilis, 11-18 cm longus. Bradeae 
dependentes, hneari-lanceolatac, setaccae, valde acutae, plus minus 5 mm 
ongae. Pedicelh elongati, usque ad 1 cm longi. Flores flavidi. Sepala 
lateraha elhptica, ad apicem rotundata, 3 mm longa, 2 mm lak. Sepalum 
posttcum ovat»-lanceolatum, obtusum, 3-nervium, 3.5 mm longum, 2 5 
mm latum. Petala linearia, 1-nervia, 4 mm longa, 0.5 mm lata. La- 
Mlum mtegerrimum, late sagittatum; auriculis obtusis 1.5 mm Ion -is 
Ih^ais usque ad 2 mm longus. Callus bilobus in disco medio. Columna 
elliZTl^ \ T ^'T' " ^''^'' P''°P^ ^''''^' ^^^^ "^^^i^^tus. . Capsula 
elhpsoidalis, 6-8 mm longa. 
Luzoi., Laguna-Tayabas Provinces, For. Bur. 955S B. M. Gwrran, March 1908 
which it diffPra in ifo , ' ' ^'^ Orchideen von Java 252), from 
morf broa;f;i^C":;"^^^ '^'''' ^-llowish-flowers, broader upper sepl, and 
