PLATE XLYIII. 



Figs. A, B, and 1-4. Sium helenianum. 



Figure A. — Upper portion of a plant (the specimen Melliss regarded as different from 

 both Sium helenianum and Sium bnrelieUii), natural size. 



,, B. — A leaf sent with the same, natural size. 



„ 1. — A petal from a flower taken from A. 



„ 2. — Quite young fruit of the same : both very much enlarged. 



j( 3. — A ripe fruit of Sium helenianum from the same source (detached from 

 plant, and communicated by Melliss in 1867 as " Angelica bracteata ") 

 as that figured in Hooker's Icones Plantarum, t. 1032. 



„ 4. — A cross section of the same : very much enlarged. 



Fis;s. C and 5-7. Sium burchellii. 



Figure C. — Upper part of a plant, and apparently the very same piece represented 

 somewhat abbreviated in Hooker's Icones Plantarum, t. 1033 ; natural 

 size. 



,, 5. — A petal from the same specimen. 



„ 6. — A young fruit (intermediate in its degree of development between figs. 

 2 and 3). 



„ 7. — A cross section of the same : enlarged. 



