ON THE BRITISH FORMS OF RHINANTHUS 295. 
calyx. Again, from a geographical point of view, a certain 
congruity in the area occupied is perceptible. However, all these 
Sorte are to be found at times, in fact fnedinen gt in the common 
minor of our own meadows; so that, from a er te point 
of view, a separation of the two is impracticable.” some- 
times — the bracts to be of a decidedly yellowish- sani and, 
with us, the upper em lobes appear to be usually violet, whereas 
on the Sdattie nt they are more frequently white. 
The var. fallas Wimm. & Grab. (1829) must be — from 
our list for the present, though the true plant (R. major x minor) 
will probably be found where + r ear er, 
as in E. Scotland. The fertility of its pollen is stated at from 64 
to 75 per cent., whereas in the large-flowered form of A. minor, 
which simulates it, this is never below 98 to 95 per cent. A good 
deal of our supposed fallax is R. stenophyllus 
A. RUSTICULUS Pier pica R. ebn0r B rusticulus Chabert 
and R. Perrieri Chaber 99). 
* Differt ab Alect. minore caule humili, 5-10 em. alto, anplies; 
tong 0, calycibus fructiferis atro-violaceis, florendi tempore mense 
ulio 
This delicate little plant. was previously known from a very few 
stations in Savoy, the Maritime Alps, Tyrol, and Iceland. Its 
discovery by Mr. W. A. Shoolbred and myself in wet ground on the 
aff 
Very few Ate te were collected, as most of the plants were in 
bud only (no. 2442). 
It should be found in the Shetlands and on the north coast of 
Scotland. Of my own four herbarium specimens, two are 1-flowered 
and ape 2-flowered ; wes have np rather closely sa narrow 
n 
to A. minor, pace ie to its ‘ ingitiacle” parallel- -form. oP 
transition-forms scaaeiaians it with the super-species have hitherto 
been obse heir discovery is probable. The dow iyang 
Ss a 
the original authentic specimens; and, 
attach no distinctive importance to it, as eine merely a means * 
self-fe in the absence of insect visitors, of which all th 
segregates are pte 
A. stenophyllus Sterneck (1895). FR. minor var. angustifol ius Fr. 
cs iii. p. 62, 1843); var. angustifolius Koch (Syn. ii. p. 626, 
844), non ——— —— = i ee 
ae Schur (1866). 
