TO LOWER SIAM. 161 



4 pairs, 3| inch long, 2i inch wide, petiole slender, 2 

 inches long. Spikes terminal 4, the longest 9i inches, the 

 others about 6 inches long. Flowers numerous, small, 

 solitary, rachis pubescent, Bracts to inch long, ovate, 

 acuminate. Calyx longer, lobes 5, lanceolate, acuminate, 

 acute, Corolla short, I inch long, tube little longer than the 

 calyx, bilobed, upper lobe white, lanceolate, lower lobe 

 trilobed, lobes acute, more fleshy, white with purple centre. 

 Stamens adnate to corolla mouth, anther oblong, rather 

 large, black, "hidden in the folds of the lip." Ovary cylin : 

 dric, style slender minutely pubescent, stigma clubbed. 

 Capsule cylindric, f inch long, seeded minutely pustular. 



Bangtaphan, Klang Loi (KeithV In shady places. 

 Nearest I think to G. pohjneuron, Clarke, which it resem- 

 bles in habit, but with fewer nerves. It apparently creeps 

 for some distance with stout roots, and then throws up an 

 erect stem. I have only seen one specimen. 



G. poly neuron, Clarke. Tongka (Curtis,). Endemic. 



Andrographis paniculata, Nees. Setul, a garden weed, flowers 

 white, (14978). 



Distrib. India to Penang. 



A. tenuiflora, Anders. Lanka wi, all collectors and Terutau 

 (Curtis). 



Lepidcu/athis incurva, Nees. Kedah, Gunong Geriang (14969), 

 Lankawi, Perlis, Chupeng (14970). 



Distrib. Penang, India, China, Malay islands. 



L. chlorostachya, Nees. Bangtapban, Klang Loi (Keith). "A 

 small specimen but apparently of the species. Pungah 

 (Curtis). Distrib. Mergui. 



Barleriu prionitis, L. Perlis Pyocks, Tebing Tinggi (14985), 

 Bangtaphan. Distrib. Africa and India. Probably not 

 wild here, said to be common inSiam. 



R. A. Soc, No. 59, 19". 



