:)ôl 149 



Prodrom. Ill, p. 3;i; Trimeii Flora of Ceylon 11, 189i, p. 151 ; R. apiculata 

 Bl. Fl. Jav. 1, 91 et Mus. Bot. 134; Wight 111. l,i>09; Kmz For. Fl. Biit. 

 Burm. 1, p. i47. 



Al)iindaiit eveiywliere over the explored area tbriuing witii R. mucronata, 

 Brxf/niera (jymnorkiza and Aricennia officinalifi the Inilk of the mangroves or 

 tidal-forests of the coasts. In Koli Chang it is the most common species of the 

 mant,n'oves and seems to he very indiffeient to the (juality (rocks, mud, sand) 

 and salinity of the ground on which it grows. A moderate sized tree (smaller 

 than R. mncroiiafu) with flowers and fruit in Decemher. .Januaiy, Fel)ruary, 

 March. 



Area: All Eastern tropical coasts (not in Africa). 



Ceriops Ain. 



3. ('. randolleana Arn. in Annals of Nat. Hist. I, p. 353; Bl. Miis. 

 hot. 143; Wight Icon. t. ii40; Bedd. Flor. Sylv, Anal. Gen. t. 13, lig. 5; 

 .Mi(l. Fl. Ind. Fiat. 1, p. 590; Brandis For. Fl. 1218, I, 448; Hooker f. Fl. 

 IJrit. India 11, p. 438 ; Theobald in Mason : Burma, its people and produc- 

 tions, vol, 11 (1883), p. 481 ; Schimper Indo-Malay. Strandflora p. 94, t. IV, 

 V, et in Engl, und Prantl Nat. Pflanzenfam. Ill, 7, p. 5:2; G. Karsten in 

 Bibliotheca Botanica Heft 2^ (1891j p. lU, t. Ill (lig. bona), IV, IX; Koor- 

 ders en Valeton, Boomsorten van Java, Bijdrage n. 4 (1896), p. 284. — 

 C. timoriensis D. G. Prodr. Ill; C. lucida Miq. Suppl. Fl. Ind. Bat. 325; 

 Boerlage in Teysmannia VI, 1(35. 



Schimper 1. (;. p. 36 and Pllanzcngeographie (1898, p. 431) slates 

 the occurrence (>f negative geotropical aerial roots in Ceriops Candolh'dud 

 lik( those of Sonneratla ucldu and Avicennia offrrhialis. I have examined 

 a great number of specimens of this species, which is very common in 

 the Gulf of Siam, but 1 was never able to find even a trace of such 

 ai'rial roots. 



Ahundant in liie tidal-forests throughout the e.xjjlored area (all round Koh 

 (Ihang; Klung; Kohdhick; LemNgoh; Koh Kong) with the mangroves on muddy 

 and stony ground ; a small or moderate-sized tree or a shrub, which hears llo- 

 wers and fruit in Decemher, January, February and March. 



Area: Tropical shores of the Old World. 



4. I". Koxbnrghianu Arn. in Annals of Nat. History I, p. 363; Miq. 

 Fl. Ind. Bat. 1, 1. p. 591; Kurz Fl. Br. Burma I, p. 448; Hooker f. Fl. 

 Brit. India 11, 436;, Schimper Indo-Malay. Strandflora (1891), p. 94 el in 

 Kngl. und Prantl Nat. Pflanzenfam. III, 7, p. 52; G.Karsten in Bibliotheca 

 Botanica Heft 22 (1891), p. 10, t. III (lig. bona) ; Koorders en Valeton Boom- 

 soorlen van Java. Bijdrage n. 4 (1896), p. 287. — C. Zippeliana Bl. Mus. 

 l)ol. 143; C. deanidru Theobald in Mason: Burma, its people and pro- 

 ductions vol.11 (1883), p. 480; Rhizophora decaiidra Roxb. Hort. Bcng. 

 :')(»; Wall. Cal. 4875; Rh. f/loDKruhfUi. Herb. Zipp. 



C. CmidoUcaiia and Roxhiiri/liidtKi are closely allied. The most im- 



