Phytogeographical Excursion in the British Isles. 43 
spinous condition than in wet years, but the characters of this plant 
appeared to be to some degree independent of these factors. 
Cultural experiments are however much to be desired, to see if the 
features of the variety are constant. 
1638. Hieracium umbellatum L. var. dunale G. Meyer. 
Chlor. Hannov. 421, 1836; var. armeriifolium G. Meyer in Hann, 
Mag. 170, 1824—H, dunense Reymer in v. Hall. Fl. Belg. i., 556. 
Southport Dunes 59, named by Professor Graebner and assented 
to by Dr. Ostenfeld. Rouy & Foucaud (Flore France ix., 401) say 
this plant is identical with MH. littoreum Lindberg, not Arvet-Touvet, 
which is the var. littorale from the Jersey dunes. 
1693. Calluna vulgaris Hull var. Erikae Aschers. & Graebn., 
Fl. Nord, Flachs. 547. 1898-99, where it is defined “ B. breit, flach, 
beiderseits rinnig.” Its procumbent form makes it a desirable plant 
for the rock garden. Dr. Church in his excellent Floral Mechanisms, 
p. 147, describes and figures the inflorescence of this variety, which he 
found at Cape Cornwall, and shows that visiting insects crawl under- 
neath the plant, between the flowers, which are turned downwards, 
and the ground. Although more frequent in exposed and wind- 
swept places it is by no means confined to them as it often grows 
with the typical plant. 
1695. Erica Tetralix x vagans—E. Williamsii Druce in Gard. 
Chron., December 2nd, 1911—E. cinerea X vagans Davey in Journ. 
Bot. 333, 1910=E. vagans x tetralix Turrill in Kew Bull., 378, 1911, 
see preceding page. 
12. Veronica Anagallis-aquatica L. em. Asch. & Graebn. FI. 
Nord. Flach. 635. 1898-99, diagnosed as “ St. aufrecht od. aus 
liegendem Grunde aufrecht, einfach od. ästig, fast 4kantig; B. lang- 
lich-lanzettlich bis lanzettlich, sitzend, halbst. umfassend, ent- 
fernt-kleingesägt; Trauben vielbth, etwas locker, zerstreut 
drüsenha.; Bth.-stiele länger als das Tragb. u der K. in der F. 
abstehend; Bl.-kr. bläulichweiss, mit dunkleren Adern; Kapsel 
rundlich. 
1912 bis. V. aquatica Bernh. This is the common plant of 
Great Britain and Ireland and is defined by the foregoing authors 
as:—B. oft röthlich uberlaufen (Scholz); Bth. kleiner; Bl. kr. 
weisslich-rosa ; F.-stiele derber, ziemlich starr, wagerecht abste- 
hend, daher der F. stand sehr locker; Kapselelliptisch.” The 
Index Kewensis gives V. aquatica Benquerel in Neuch Bull. V. 449, 
1859-61. 
2429. Funcus effusus L. var. compactus Lejeune & Courtois, p. 
Fl. Belg. ii., 23, p. 131. This form, which is often mistaken for ¥. 
conglomeratus, differs from the type of F. effusus by the inflorescence, 
even at maturity being condensed into a globular head, with the 
internodes very reduced ; but intermediate stages occur. 
2442 (2). Funceus ranarius Nees in Linnea XX., 243, 140 
(teste Ind. Kew.) emend Song & Perrier in Billot Annot. Fl. Fr. et. 
Allem. 192, 1859. This plant, which in Britain has either been 
confused with or called var. fasciculatus of Funcus bufonius, is stated 
by Professor Graebner to be a good species, a view also held by 
Buchenau, the monographer of the genus. Ascherson & Graebner 
(Fl. Nord. Flach, 175, 1898-9), thus describe it :— H. 5-23 cm. Bth. 
häufig zu 2-3 genähert ; innere P-b. etwas kürzer, äussere so lang 
od. etwas länger als die am Grunde deutlich schmälere Kapsel; I 
