r 214 ] 
ADDENDA. 
TRIANDRIA 5 DIGYNIA. 
To genus Aristida, No. 50. p. 53. vol. 1, add the 
following species : 
No. 2 . Aristida stricta; stems and leaves very 
upright; raceme long; spike contracted ; awns 
longer than the glume; leaves convolute, fili- 
form, smooth. — Mich, 
Perennial. June. Within the limits of this work ; Mr. Collins. 
No. 3. Aristida oligantha; culm upright, very 
much branched ; leaves convolute-filiform ; flow- 
ers distant, solitary ; awn long-divaricating. — 
Mich, 
A. adscendscionis, Walt. 
Perennial. June. Also within the limits of this work. B. 
TETRANDRIA, MONOGYNIA. 
To the genus Flantago^ No. 80. vol. 1 . p. 88 , add 
the following species : 
4 . Plantago hybrida ; leaves subulate-linear, entire, 
rigidly acute, shorter than the scape, not wool- 
ly at tiie base; scape terete, slender, slightly 
pubescent; spike long and slender, cylindrical, 
rather loose; spikelets below, remote; bractes 
acute. B. 
Plantago maritima, Bart. Prod. FI. Ph. 
Boot annual. Plant from two to three inches high, leaves 
very numerous, about one inch long in mature specimens, often 
not exceeding half an inch, destitute nf any thing like wooli- 
ness at the base. Scape slender, longer than the leaves, round 
and slightly pubescent under a lens. Spike eylindrical, not ex- 
ceeding one-eighth of an inch in diameter, from half an inch tp 
two inches long, and of a green and sienna colour, not deep 
brown or blackish, as in the European and American, speci- 
mens of P. maritima. Scapes nearly as numerous as the leaves. 
This species, which is decidedly distinct from the P. maritima, 
I found four years ago, in the exsiccated canal on the road to 
JLemon-hill, close to the high gravel banks. 1 there found it 
two years in succession, and on transplanting it into my gar- 
