Materials for a Flora of the Malayan Peninsula. 



161 



Stem short or slender, racemes short or 

 slender. 



Leaves flat point terete subulate . . . . 23. ^S*. secundum. 



Leaves flat blunt. 



Midlobe ovate. Spur completely septate 23. S. pensile. 

 Midlobe ovate notched on each side. 



Spur not septate . . . . . . 24:. S. fissicors. 



Midlobe reniform. Spur with 2 pubes- 

 cent keels . . . . . . . . 25. S. hicarinatum. 



Spur small or 



§ 6. Eu-Saccolabium. 

 moderate. 



Midlobe larger than side lobes. 

 Spur short side lobes small acute 

 Spur long curved side lobes long rounded 

 Spur long side lobes rounded midlobe 



long narrow 

 Spur long side lobes indistinct, midlobe 



horn like 

 Spur long midlobe smaller than side 



lobes. 

 Scape tall panicled. 

 Flowers very small | inch across 

 Flowers | inch across 



Scape racemose. 

 Flowers very small, spur large curved 

 Flowers moderate spur long nearly straight 

 Spur long clubbed, side lobes large 

 spreading 

 Flowers minute racemes thickened dense . . 



26. S. fissum. 



27. S. secundi/lorum. 



28. S. miniatum. 



29. S. undulatum. 



30. 8. ionosmum. 



31. *S'. Arachnanthe. 



32. S. penangiannm. 



33. S. saxicolum. 



34. S. Aiigraecum. 



35. 8. Myosurus. 



§ 1. Uniflorum. 



1. S. TENUICAULE, Hook. fil. Fl. Brit. Ind. VI. 360. Stems 

 slender 1 foot long. Leaves narrow linear acute 3 inches long -^^ inch 

 wide sheaths I inch long flexuous. Flowers small ^ inch long 2-3 

 on a tubercle with small ovate bracts. . Pedicel and ovary very short. 

 L'"pper sepal lanceolate subacute, laterals ovate acute oblique. Petals 

 ovate acute smaller all yellow or white. Lip side lobes oblong acute, 

 midlobe much longer, linear apex bifid, spur short curved thick blunt 

 constricted above the swollen end. Column rather large curved. 

 Eostellum short. Anther ovate with a long blunt beak. Pollinia 

 crescent sliaped, caudicle linear dilated into 2 arms above. Hook, 

 fil. Ann. Bot. Roy. Gard. Calc. V, 49, T. 74. 



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