46 Flora of Devon and Cornwall, by I. W. N. Keys. 
The variety known as R. alba (L.) has established itself in a 
hedge on Marazion-green, Cornwall : B.H.P. 
R. Luteola {L.)—E.B. 320.— Waste places, particularly on lime- 
stone. Lower Mount Gold, and other places about Plymouth, 
plentiful. Ivybridge ! : Miss H. Northam, N.D. : Maw in Phytol, 
1853, p. 791. Topsham; Teignbridge; Chudleigh: FlDev. Ilfra- 
combe; Saunton; Meadfoot, near Torquay; West Leigh, Tiverton: 
D.— Near Torpoint. Falmouth: Po/?/iec/t. 1856. C. Weld. 
Order VIII. CISTACE^. 
Helianthemum Gaert. Rock-rose. 
H. caelum (Dun.) — Cistus marifoUus Sm., E.B. 396. — On lime- 
stone rocks, rare. " Near the Land's- end : " Mr. T.Westcombe (auct. 
Fasc. in Bot. Gaz. ii. 38). C. Hoary dwarf Rock-rose. 
Mr, Pascoe adds, touching this plant, that "not being aware that this 
was an addition to our flora, Mr. Westcombe omitted to take a specimen, 
and thus to a certain extent rendering it doubtful liow far something else 
may not have been taken for it (some stunted form of Salix fusca, for instance, 
if not in flower)." 
It is admitted into Gyb. Brit. Sup. i., with the questionable " o." 
H. vulgare (Gaert.) — Cistus Helianthemum (L.) E. B. 132L — 
Branscombe cliffs, near Seaton ; Kingskerswell ; Bradley woods : 
Rav. Fields near Ipplepen and Denbury down : Fl. Tot. Sup. D. 
Common Rock-rose. 
H. polifoUum (Pers.) — E. B. 1322. H. apenninum DC. — Very 
rare, as a British plant. We may therefore congratulate ourselves 
on its numerous habitats in Devon. Torquay ! : Hore. Berry 
head ; Anstis cove : Rav. Landslip at Axmouth : Fl. Sid. Bab- 
bicombe cliffs : Jord. in Phytol. 1843, p. 827. Near Newton Ab- 
bott : Fl. Tot. D. White Mountain Rock-rose. 
