(70) F. N. WILLIAMS. LISTE DES PLANTES CONNUES DU SIAM. 433 



on Kedah Peak (Gunong Jerai), in streams and wet spots at 900 mètres. A liane, 

 with the largesl flowers of any species in this région. It forras mats of leaves 

 on the rocks in the streams, abont 15 cm. across ; the flowers are bright lemon 

 yellow. 



777. Utricularia orbiculata Cand. 2«s, in Cand., Prodr. VIII, p. 18. — 

 Telaga Tujon in Kedah province, in tufts of moss on the edge of the stream 

 (Curtis). 



778. Utricularia verticillata Benjam. — Langkawi Island, in paddy- 

 fields (Curtis). 



Farn. 96. GESNERIACEM 



The following list of Siamese Gesneriaceœ is for the most part extracted from 

 Mr. H. N. Ridley's paper on Cyrtandraceœ Malayenses in Journ. Linn. 

 Soc. XXXII, pp. 497-525 (Nov. 1896), where several new species are for the 

 first Urne described, and their affinities discussed. The füll références are not 

 therefore repeated under each species mentioned. The paper embodies a large 

 amount of carefully investigated critical work on the Malayan species. 



Trib. DlDYMOCARPE^E 



779. Didissandra flammea Ridl., 1. c. p. 503. — The gold mines of the 

 province of Legeh, Lower Siam (A. D. Machado). Cultivated in the Botanic 

 Gardens at Singapore. 



780. Didissandra latisepala Ridl., 1. c. p. 503. — The gold mines of the 

 province of Legeh, Lower Siam (A. D. Machado). 



781. Didymocarpus citrina Ridl., 1. c. p. 508. — On rocks of Kedah 

 Peak, at 900 mètres. 



782. Didymocarpus cordata var. debilis Ridl., 1. c. p. 514. — On rocks 

 of Kedah Peak. 



783. Didymocarpus crinita Jack. — Kedah Peak (Ridl., 1. c. p. 505). 



784. Didymocarpus cyanea Ridl., in Journ. Bot. 1900, p. 68. — 

 Kedah. 



785. Didymocarpus inaequalis Ridl., in Journ. Linn. Soc. XXXII, 

 p. 506. — Mt. Ghinchang, in Kedah (Curtis, 1890, n. 2568). 



786. Didymocarpus laxa Ridl., 1. c. p. 510, — Langkawi Island (Curtis, 

 n. 2571). 



787. Didymocarpus mollissima Williams, nom. nov. — Pungah (Curtis, 

 n. 2944). 



Syn. — Chirita mollissima Ridl., in Journ. Linn. Soc. XXXII, p. 517. The 

 genus Chirita is now sunk in Didymocarpus; see Torre et Harms, Genera 

 Siphonogamarum, p. 471 (Mart. 1904), also Fritsch, in Engl, et Prantl, Natürl. 

 Pflanzenf. IV, abt. 36, p. 148 (1894) — sub Rottlera. 



bulletin de l'herbier boissier, n° 5, 30 avril 1905. 29 



