CERASTIUM 53 
(/ 3 ) forma atrovirens Druce in Moss Camb. Brit. FI. iii, 53; C. atrovirens Babington op. cit. ii, 317, t. 9 
et t. 9 (1838). 
Shoot dark green. Leaves ovate or oblong (not elliptical-oblong). Peduncles sometimes long. 
Pedicels ascending or erect when in fruit. Seeds rather large. 
From the Channel Isles to Aberdeenshire. 
(7) forma pedunculatum Druce in Moss Camb. Brit. FI. iii, 53; C. pedunculatum Babington op. cit. 200, 
t. 6 (1838); C. tetrandrum var. genuinum Rouy et Foucaud FI. France iii, 217 (1896) non Grenier. 
Laminae ovate or oblong. Pedicels 2 — 4 times as long as the calyx, erect. Bracts slightly 
membranous. Seeds small. 
On sandy ground ; Isle of Wight, Essex (Babington loc. cit.). 
(8) forma congestum Druce in Moss Camb. Brit. Ft. iii, 53. 
Shoot densely caespitose, 1 — 2 cm. high and 5 — 6 across. Flowers very numerous. Capsules 
narrowly cylindrical, longer than the calyx. 
Differs from forma zetlandicum by its smaller and narrower capsules, and by its more congested habit. 
Caithness-shire ; co. Galway. 
(e) forma zetlandicum Druce in Moss Camb. Brit. FI. iii, 53 ; C. tetrandrum var. zetlandicum Murbeck in 
Bot. Notiser 257 (1898). 
Exsiccata : — J. Hartz and C. H. Ostenfeld in Herb. Kew. 
Shoot rigid. Internodes short. Inflorescence rather condensed. 
Montrose in Forfarshire, Zetland (Murbeck loc. cit.). 
The Faeroes. 
(£) subvar. dunense Druce in Moss Camb. Brit. FI. iii, 53 ; C. tetrandrum var. dtmense Salmon in flum. 
Bot. li, 1 7 (1913)! 
leones : — Camb. Brit. FI. iii. Plate 49, i — m. 
Exsiccata : — Schultz (H.N.), vii, 620, as C. tetrandrum ( fide C. E. Salmon loc. cit.). 
Usually larger in all its parts (especially the calyx and capsule) than the other English forms. 
Sandy coasts of Guernsey and Jersey. 
France (Normandy). 
Sandy sea-shores, sand-dunes, ledges of sea-cliffs, and in rocky places and on dry banks near 
the sea; rather frequent on British coasts, from the Channel Isles to Zetland, and round Ireland; 
rarely inland, as in Berkshire, Wiltshire (at 270 m. on White Horse Down), and Herefordshire 
(adventitious), and in county Mayo (shores of Lough Cong and south of Lough Mask on limestone). 
Faeroes, southern Scandinavia, Denmark, Germany, Holland, Belgium, France, southern Europe 
(Spain, Corsica, Sardinia, Cyprus). 
7. CERASTIUM PUMILUM. Plate 50 
Cerastium pumilum Curtis FI. Lond. i, 92 (between 1791 and 1796) 1 ; Babington Man. 53 (1843); 
Syme Eng. Bot. ii, 79 (1864); Townsend in Journ. 
Bot. xv, 36 (1877)!; C. semidecandrum var. /3 Smith 
Eng. FI. ii, 331 (1824)! ; C. semidecandmm var. gluti- 
nosum [Reichenbach FI. Germ. Excurs. 795 (1832)?]; 
Babington in Mag. Zool. and Bot. ii, 199 (1838); 
C. tetrandrum var. pumilum Hooker fil. Stud. FI. ed. 3, 
59 (1884). 
leones : — Curtis FI. Lond. i, t. 92 ; Syme Eng. 
Bot. t. 219 ; Reichenbach Icon, v, t. 228, fig. 4969 (“ is 
quite our English C. pumilum ” Townsend loc. cit.), 
excl. left-hand figure, as C. pumilum and C. pumilum 
var. viscarium. 
Camb. Brit. FI. iii. Plate 50. ( a — c) Whole 
plants, (d) Upper part of a large plant. « Bracts Map . 2I . Distribution of C. tumilum in England 
(enlarged). (/) Sepals (enlarged). ( g ) Petals (en- 
larged). ( h ) Flowers (enlarged). (i) Capsule and calyx (enlarged), (j) Capsules (enlarged). Somerset 
(E. S. M.). 
1 See footnote, page 52. 
