Ord. 2.] PENTANDRIA DIGYNIA. C5 



165. CNl'DIUM. Pepper-saxifrage. 

 1. Cn. Silaus, Peucedanum Silaus, 30.2142. (Meadow P.) Leaflets 

 deeply pinnatifid ; their segments opposite, decurrent. General 

 bracteas one or two. 

 Moist mead, and past. If.. 7, 8. L. dark green, var. in shape. Fl. 

 yellowish. 



166. BUPLEuRUM. Hare's-ear. 



1. B. rotundifulium, 2. 99. (Common H.) General bracteas want- 



ing. Leaves perfoliate. 

 Chalky fields. 0. 7. Rigid, 18 in. L. ovate. Pet. yellow, short, 



2. B. Odontites, 35. 2168. (Narrow-leaved H.) Partial bracteas five, 



ovate, acute, three-ribbed ; general ones three or four. Branches 

 widely spreading. Umbels all stalked. 

 Rocks in Devonsh.0. 7. Rigid. L lanceol. Fl. reddish cream-col. 



3. B. tenuissimum, 7. 478. (Slender H.) Umbels simple, alternate, 



of about three flowers. Bracteas five, awl-shaped. 

 Muddy salt-marshes, rare. 0. 7, 8. Stem 3 — 12 in. wiry. L. 

 lanceol. Fl. yellowish. 



4. B. falcatum, Suppl. 2763. (Falcate-leaved H.) Lower leaves 



obovate, stalked ; upper linear-lanceolate, sessile. Partial in- 

 volucre of 5 lanceolate leaves, as long as the flowers ; general 

 1 — 5 leaved. Stem panicled, leafy. 

 Heath, Norton, Essex ; naturalized V If. 8. Stems 1 — 4 f. high. 

 Umbels of 8 — 9 slender rays. 



167. HYDROCoTYLE. White-rot. 

 ]. H. vulgaris, 11. 751. (Common W.) Leaves orbicular, peltate, 

 smooth ; cloven at the base. Umbels somewhat aggregate. 

 Flowers nearly sessile. 

 Watery pi. If-. 5, 6. Stem creeping. 2—3/. L. opposite. Fl.-stallis 

 axill. 



168. SELlNUM. Milk-parsley. 

 1. S. palustre, 4. 229. (Marsh M.) Milky. Root generally single. 

 Leaves triply pinnate ; leaflets pinnatifid, with elliptic-lanceo- 

 late segments. Ribs of the seeds broad and obtuse. 

 Marshes. If. ? 7. Stem 4 f. furrowed. Rays of the umb. rough. 

 Fl. white. 



169. PEUCEDANUM. Sulphur-wort. 



1. P. officinale, 25. 1767- (Sea S.) Leaves five times deeply three- 

 cleft ; leaflets linear, undivided, flat. Bracteas linear, almost 

 capillary. 

 Salt marshes, rare. y. . 6, 7. 3 — 4/. with a resinous juice. L. 

 very narrow. Fl. buffi-yellow. 



170. PASTINACA. Parsnep. 

 1. P. sativa, 8. 556. (Wild P.) Leaves simply pinnate ; downy be- 

 neath. 



