PSAMMA BALTICA AS A BRITISH PLANT. -. 856 
the latter genus as the former. Psamma is in fact a very weak genus, and 
is rendered much weaker if P. baltica be included ; in a revision of these 
recently by Fries and Andersson. J have, however, thought it better not 
to disturb the universal nomenclature of English text- 
ss before us, that it is a hybrid between r 
and C. Epi This view is held by Röper, Boll, and several other 
North botanists question of this kind is one very difficult 
of solution, and I have no material to help me in the e 
me in present case ; 
óper's & Boll's Floras of 
k 
very scarce in Northumberland. 
seen it on the shore, but only in places where woods or bushy places come 
r 
Own to the water’s edge, localities where P. 
i923. 
Psamma baltica, Roem. and Sch. Syst. Veg., x amet 
i 182 
Andersson, Gram. 
Gert Vi Flora 
233 
Danica, t. 1684 (not good); Reichenbach, Ic. Flor. Germ., I. f. 1455; 
Andersson, Gram. Scandin. t. VHE. f. 93, and specimens have been 
issued in Fries’ Herbarium normale fase. I., n. 74 and Reichenb. Exsiec., 
n. 116. 
EXPLANATION or Prarr CXXVII. 
Psamma balti imens collected at Ross Links, Northum- 
berland 5 ud cde ee Mei dE, Plant reduced, scale 1 in. to 1 ft. 
2 by W. Richardso r e : 
2. Portion of leaf Mob ligule, natural size. 3. Panicle, natural size. 4. dy coe 
5. Glume. 6 flower, with surrounding Lower pale. 8. Uppe 
ks Be n 
Pale, all x 2. 9. Lodicules and pistil, x 10. 
1 * Psamma was founded on the common 
812. (Agrostogr. p. 143). Host, in 1809, 
oaa the same grass a genus u EU Bri Vira 
i í or 
ving been previously, in 1794, used by of de which shoni 
inco 
having three stigmas, and is so 
