1 90 AN ACCOUNT OF A BOTANICAL EXPEDITION 



MONOCOTYLEDONES. 

 Hydeochaeide.e . 



Ottelia alismoides, Pers. Lankawi at Kwah (Curtis). 



Distrib. Trop. Africa, Asia and Australia. 

 Halophila ovata, Gaud. Lankawi (Ridley). 



Distrib. Indian Ocean. 



OECHIDE.E. 



Microstylis caloplujlla, Rchb. fil. Kasnm, on low hills (Curtis). 



Distrib. Pegu and Penang. 



M. prasina, Ridl. Tongka (Native collector). Punga (Cur- 

 tis). Endemic. 



M. macrocheila, Rolfe. Pungah (Curtis), introduced to Kew 

 in 1895 with M. prasina, Ridl. Endemic. 



If. congesta, Rchb. fil. Lankawi (Curtis). Setul. 



Distrib. India, Cambodia, Borneo to Australia. 



Oberonia iridifolia, Lindl. Lankawi, Pulau Hujong Duri, 

 (Curtis). 



Distrib. India and Siam. 



0. prainiana, Hook. fil. Kasum (Curtis, 3230). 



Distrib. Malay peninsula, Sikkim. 



0. saururus, n. sp. 



Stemless, leaves ensiform falcate about 4, the largest 

 6 inches long by 1 inch wide, the others smaller. Raceme 

 slender, 13 inches long, bracts lanceolate, appressed and 

 nearly covering the base. Flowers very numerous, small, 

 pale whitish not whorled. Floral bracts lanceolate, ob- 

 long, shorter than the stout pedicel and ovary. Sepals 

 lanceolate, subacute. Petals oblong, entire, shorter, obtuse. 

 Lip oblong, the two upper angles prolonged into short 



Jour. Straits Branch 



