VASCULAR CRYPTOGAMS. 



BY WILLIAM CAREDTHEKS, F.R.S. 



SALVmiACEJi. 

 AZOLLA Lam. Encycl. Meth., Bot. i. p. 343 (1783). 



A. pinnata R. Br., Prodr. p. 167 (1810). 



PUN'GO Andongo. — Not infrequent in most rivers between Pungo 

 Andongo and Cassange. The frond is whitish green, and then turns to 

 rose-purple. It is found with Nymphcea, Geratophyllum and Pistia. 

 March 1857. No. 38. 



LiBONGO. — Very abundant, both on the earth and in the water, in 

 the shallow kke at Banza de Liboogo, near the left bank of the Lifune 

 with Hydrocotyle, Juncacece, etc. Sept. 1858. No. 37. 



MARSILEACEiE. 

 MARSILEA Linn. Gen. PI. p. 326 (1737). 



1. M. cornuta A. Br. inMonatsb. K. Akad. Wissensch. Berlin 

 1870, p. 728. 



M. diffusa var. cornuta A, Br. in Kuhn, Pil. Afr. p. 199 (1868). 

 M. diffusa var. Baker, Fern Allies p. 141 (1887). 



MossAMEDES. — Commou in shallow pools near the banks of the 

 Bero, near Capondo and Cavalheiros. At the end of June 1859. 

 No. 173. Frequent, in association with Pistia in lakes near the mouth 

 of the river Giraiil or Maiombo. Without fruit, 18 and 19 July 1859. 

 No. 174. 



2. M. rotundata A. Br. in Kuhn, Fil. Afr. p. 200 (1868). 

 GoLUNGo Alto. — Somewhat rare in the rivulet Muchau or Mongola 



near Quilombo, in wooded places ; 17 Sept. 1854. No. 40. 



Pungo Andongo. — On the margins of marshes between Lombe and 

 Quibinda. Without fruit ; March 1857. No. 39. 



HuiLLA. — In pools near the river MumpuUa in association with 

 Ottelia. In fr. June 1860. No. 171. In wet ground between the 

 Serra de Xella and Mnmpulla along with TrifoUum, Junciis and Xyris. 

 Oct. 1859. No. 172. 



3. M. muscoides Lepr. ex A. Braun in Flora xxu. p. 300 (1839). 



LoANDA. — In moist clayey mud, even spreading into neglected culti- 

 vated places, near Loanda, Bemposta, towards Camama ; in fr. 18 May 

 1859. No. 109. 



Bengtjella. — In moist sandy muds, inundated in summer, on the 

 shore between the city of Benguella and S. Ferrao dos Bimbos ; in 

 fr. June 1859. No. 175. 



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