Materials for a Flora of the Malayan Peninsula. 155 



Stem tall 10-30 feet, leaves oblong, broad. 



Flowers large yellow and brown . . . . 1. R. arachnitis. 



Flowers large pink . . . . . . . . 2. R. Maingayi. 



Flowers large white . . . . . . 3. R. alba. 



Flowers very small red . . . . . . 4:. R. elongata. 



Stem short, leaves long, narrow . . . . o. R. matutina. 



1. E. ARACHNITIS, Lindl. Gen. and Sp. Orch, PL p. 217. Stems 

 20 to 30 feet long. Leaves lanceolate lorate obtuse, six inches long 

 1^ inch wide. Racemes or panicles very long, many flowered. Bracts 

 ^ inch long obtuse. Flowers 3 inches across, scented of musk. Upper 

 sepal linear oblong spathulate laterals shorter falcate. Petals linear 

 oblong spathulate abruptly falcate, all yellow with chocolate blotches. 

 Lip half inch long, side lobes broad quadrate yellow splashed with 

 red edges purple brown, midlobe hardly longer fleshy oblong cuneate 

 acute fleshy pink with a large conic acute callus near the tip. 

 Column short very broad white. Anther very broad flat. Arachnis 

 moschifera, Bl. Bijdr. 365. t. 26. Arachnanthe moschifera, Bl. Eum- 

 phia IV. t. 196. 199. Hook. fil. Fl. Brit. Ind. YL 28. Aerides 

 arachnitis, Sw. Schrad. Journ. 1799. 293. Willd. Sp. PI. IV. 131. 

 Renathera Flos-Aeris, Rchb. fil. Xcn. Orch. I. 88. Walp. Ann. VI. 

 878. Liniodorum Flos-Aeris, Sw. Nov. Act. Upsal 1740. 37. Epi- 

 dendrum Flos-Aeris, Linn. Sp. PI. 1348. 



Perak: Kinta (King's Collector). Distrib. Java, Borneo. 

 Native name " Angrek Bunga Kasturi," and usually known as the 

 Scorpion Orchid by residents. 



2. P. Maingayi, Ridl. Journ. Linn. Soc. XXXIL 353. Stems 

 like those of Araclinitis. Leaves thinner 5 inches long 1^ inch wide. 

 Flowers in panicles or racemose slightly smaller. Sepals linear ob- 

 long, 1^ inch long, laterals not curved. Petals broadly dilate and 

 bent at the tip, all mottled salmon pink and white. Lip side lobes 

 broad rounded spreading, midlobe oblong apex ovate, all pink with 

 darker stripes and yellow blotches on the side lobes. Column yellow- 

 ish. Anther ovate subacute. Pollinia globose caudicle linear at base 

 dilated to the broad disc. Arachnanthe Maingayi, Hook. fil. Fl. Brit. 

 Ind. VI. 28. 



Johor: Batu Pahat (Kelsall) ; Malacca (Maingay). Distrib. 

 Islands south of Singapore, often cultivated in Singapore. The 

 flowers vary much in the proportion of pink and white. 



3. R. ALBA, Ridl. l.c.c. Stems 15 to 20 feet long. Leaves lorate 

 obtuse 3 inches long 1^ inch wide, often hard and brittle and denti- 

 culate a't the edges at the base. Panicle long, flowers 3 inches across. 

 Bracts ovate. Sepals linear spathulate obtuse 1^ inch long all similar. 

 Petals a little smaller, white. Lip side lobes broad rounded yellowish 



