156 37. TTMBBLLIFEKiE. 



Tribe III. Eryngieoe. 

 4. Eetn'gium: Linn. Eryngo. 



1. E. inarit'imiim (L.) ; radical I. roundish plaited spinous 

 stalked, upper 1. amplexioaul palmately lobed, irm.-l. &-hbed 

 spinous exceeding the heads, scales of the receptacle 3-lobed. — 

 £!. B. 718. — St. 1 foot or more in height, much branched, leafy, 

 rigid, glaucous. Fl. in heads rather than umbels, blue. — Sandy 

 sea-shores. P. VII. VIU. SeorHolly. E.S.I. 



2. E. campes'tre (L.) ; radical l.2orS times pinnati/id spinous 

 stalked, st.-I. amplexicaul pinnatifid, inv.-l. lanceolate spinous 

 longer than the heads, scales of the receptacle undivided. — 

 E. £. 57. — More bushy and slender than the last. Pet. purpUsh 

 or white. Petioles thick, semiterete, channelled. — On waste 

 ground, very rare. P. VII. VIII. E. 



Tribe IV. Amminem. 



5. Cicxt'ta lAnn. Water-Hemlock. 



1. C. virdsa (L.) ; fibres of the root fihform, 1 tripartite, leaf- 

 lets linear-lanceolate acute serrate decurrent. — E. B. 479. — St. 

 3 — 4 feet high, very thick terete and hoUow below. Lower 1. on 

 long stalks ; leaflets 1 — 2 in. long. Umbels large ; general inv. 

 or of 1 or 2 slender leaflets, partial of many subulate leaflets. 

 Fl. white. Herb poisonous. — Ponds and ditches, not common. . 

 P. VII. VIII. Coivbane. E. S. I. 



6. A'piuM Linn. 



* Pet. with involute point, cordate base, minute claw. Partial 

 inv. 0. 



1. A. graviolens (L.) ; glabrous, 1. pinnate or temate, leaflets 

 of the upper 1. wedgeshaped.— ^. B. 1210.— St. 1—2 feet high, 

 branched, furrowed, leafy. Umbels terminal or lateral, fre- 

 quently almost sessile, accompanied by one or two ternate leaves. 

 Fl. small, whitish. — Marshes and ditches, especially near the 

 sea. P. VI.— Vm. Celery. E.S.I. 



** Pet. loith oblique acute point, and wedgeshaped base. Partial 

 inv. present. — Helosciaditjm Koch. 



2. A. nodifl&rum (R.) ; st. procumbent at the base and root- 

 ing, 1. pinnate, leaflets ovate or ovate-lanceolate unequally 

 blwntly serrate, umbels opposite to the 1. longer than their pe- 



