PONTEDERACEiE MELANTHACE.E. 645 



PoNTEDERA, L. (Spreng. syst. 2, p. 5, No. 1192; — Endl. gen. pi. \,p. 

 138.) 



\. vaginalis, h. {Spreng. sy St. 2, p. 42; — Schult. syst. 8, p. 1145; — 

 Bl. enum. pi. jav. p. 32; — Roxb. Corom. 2, t. 110; fl. ind. 2, p. 

 121 ,—J. Grah. Cat. B.pl.p. 222, excl. syn. Rumph— /2Aeerf. 11, 

 t. 44.) C^\^ Nouka. %. Java. Coromandel. Concans. Bengal, (Se- 

 rampore.) Tavoy. Sukanaghur. Monghir. Nepal. Fl. largish, bright- 

 blue, R. and C. S. ; fr. C. S. 



2. hastata, L. (excl. syn. Rheed ; — Spreng. I. c. ; — Schult. syst. 8, p. 

 1146;— Bl. I. c. ;— Lour. ;— Roxb. Coram. 2, t. Ill ;7?. ind. 2, p. 

 121 ; — J. Grah. I. c.) % Cochin China. Java. Coromandel. Concans. 

 Bengal, (Serarapore,) &c. Fl. largish, bright-blue-violet, R. and C. 

 S. ; fr. C. S. 



3.plantaginea, Roxb. (Ji. ind. 2, p. 123.) % Both Peninsulas of India. 

 Bengal, (Serarapore.) Silhet. Nepal. Fl. smallish, bright deep-blue, 

 R. S. ; fr. C. S. 



A.dilatata, Buch. {in Syme's emh. to Ava, p. 474, with a plate ; — 6. 

 Repos. t. 490;— Roxb. fl. ind. 2, p. \2S;— Spreng. I. c. ;— Schult. 8, 

 p. 1147.) %. Rangoon. Fl. pale-blue, R. and C. S. ; fr. C. S. 



5. sagittata, Roxb. {H. B. p. 22 ; /. ind. 2, p. 124 ; not Presl.) %. Both 

 Peninsulas of India. Silhet. Assam. Introduced into H. C. G. in 1810. 



Pontedera Loureiriana, Schult. (P. cordata, Lour. ; excl. syn.) % 

 Cochin China. — P. pauciflora, Bl. %. Rice-fields of Java. — P. rotun- 

 difolia, L. %. Surinam. — P. crassipes, Mart. (P. azurea. Hook ; B. M. 

 56, t. 2932, excl. syn. with the exception of P. crassipes.) % Brazil. 

 — P. azurea, Swz. % Jamaica. — P. ovalis, Mart. %. Brazil. — P. lan- 

 ceolata, Nutt. %. Georgia. — P. cordifolia, Schult. fil. "2/. Brazil. — P. 

 belophylla, (P. sagittata, Presl. ; not Roxb.) % Mexico. — Heteranthera 

 oblongifolia, Mart. ^. Brazil. 



ORDER CCXXXIX.— MELANTHACE^, R. Br.— Lindl. Nat. 

 Syst. p. 347. 



THE COLCHICUM TRIBE. 



Herbs, by Lindl. (excluding Parideae, and adding Ledebouria and Asa- 

 grsea) referred to 29 genera. Of these Spreng. syst. enumerates 32 spe- 

 cies for N. America ; 11 for Europe ; 8 for N. Holland and the Society 

 Islands ; 3 for S, America and Mexico ; 3 for N. Africa ; 2 for Siberia ; 1 for 

 Caucasus ; 1 for Senegal ; and 2 for Japan and China. In S. Africa 

 have been discovered 20 species {Harvey) ; and in the E. Indies 14 ; viz. 1 

 of Tofieldia, (Himalayas) ; 3 of Anguillaria, (1 from the Himalayas, Coro- 



