168 Flora of Devon and Cornwall, hy I. W. N. Keys. 
Corn-fields [Falmouth], "but not common:" Pohjtech. J856. 
Also found about Falmouth by Miss Warren [auct. Pasc. in Bot. 
Gaz. ii. 39). 
A specimen (coll. Hore) is in P. I. Herb., but not marked whether from 
D. or C. 
Trinia Hoffm. Plonewort. 
T. vulgaris (DC.) — Pimpinella dio'ica Sm., E.B. 1209. — Dry 
limestone hills, rare. — D, Branscombe : Warr. in Rav» Berry- 
head : Hore in Phytol. 1842, p. 162 ; also Floiv. and Park, in Rav. 
(Mr. Flower informed me, when on a visit to Plymouth a few years 
since, that he had found it near Brixham. Berry-head, as just 
mentioned, on his authority partly, is no doubt the exact locality). 
Torquay : Par/, ib. 
This species is considered a true native, but is very local. — Another of its 
synonyms is Trinia glaherrima Hoffm. 
Helosciadium Kocli. 
H. nodijiorum (Koch). — Sium Sm., E.B. 639. — Banks of ditches 
and brooks. — D- Common. Tamerton I ; Cornwood. In the 
vicinity of Chudleigh and Teignbridge : J.B.T. Ap. Wet meadows, 
near Tone abbey: Tor. Fl. — C- Between Torpoint and St. John's. 
Streams and wet places [about Falmouth], •* abundant:" Polytech. 
1856. 
/5. H. repens (Koch). — E.B. 1431. — In similar situations. 
— D« Swamps* on Bovey Heathfield : Fl. Dev. Near Torquay: 
Bav. Buckham's marsh; ditch, near Goodrington; Bridgetown 
marsh : Fl. Tot. — C- Budock bottoms, " rare :" Polytech. 1856. 
H. inundatum (Koch). — Sium Sm., E.B. 227. — Ponds. — J). 
Bogs and wet situations, occasionally. The Lee, Slapton sands 
* " ' Coal-pits,' Bovey Heathfield," says Mr. Jones in the Appendix to 
his Bot. Tour. 
