TO LOWER SIAM. 189 



6 to 8 pairs, raised beneath, interarching well within the 

 margin, reticulations inconspicuous, 4 to 7 inches long, 1 

 to 2| inches wide, petiole I inch long, Male spikes solitary 

 or 2 together on the stem, simple, on peduncles an inch 

 long, slender with a pair of connate, acuminate bracts, to 

 inch long, pedicel of spike half an inch long, slender, spike 

 an inch long, i inch through. Female spike solitary on 

 a shorter, thicker peduncle, simple, 2 to 3 inches long. 

 Ovules in whorls of 8 to 10, one eighth of an inch apart, 

 surrounded by short brownish hairs, with a cup shaped 

 bract below. Seed spikes 4 inches long. Unripe seed 

 acuminate, and when dry narrowed at the base ; ripe 

 ellipsoid with a short acute point on a slender pedicel 

 half an inch or more long, Seed (without pulp) ellipsoid, 

 acute, finely ribbed, half an inch long. 



Lankawi (8341), Kasum (Curtis, 3244). This oc- 

 curs all over the peninsula as far south as Malacca, and 

 is remarkable for its thin twining stems, only f inch 

 through, thin leaves and long pedicelled fruits. 



G. funictilare, Bl. Lankawi at Kesap (Aniff). Distrib. Bur- 

 mah, Assam and Malay peninsula. 



G. macros tach yum, Hook. fil. Pulau Adang. Distrib. Malay 

 peninsula. 



CYCADE.E. 



Cycas rumphii, Miq. Sea shores Pulau Adang. 



Distrib. Tenasserim, Malay peninsula, Andamans, 

 Malay islands, Australia. 



C. siamensis, Miq. Setul and Perlis, Tebing Tinggi (Ridley). 

 Terutau (Curtis, 2427) on limestone rocks high up. 



Distrib. Burma, Prome, Shan States, Siam and 

 Cochin-China. 



R. A. Soc.,No. 59. I9II, 



