160 37. UMBELLIFBE^. 



4. B. rotundifdlium (L.) ; st. branched above, I. oval perfoli- 

 ate, fr. with striate interstices.—^. B. 99.— St. 12—18 in. high. 

 General inv. 0. Partial inv. connivent. — Corn-fields on a cal- 

 careous soil. A. VII. Tkorough-wax. E. 



Tribe V. Seselinea. 

 15. CEnan'the Linn. Water-Dropwort. 



* Moot fascicled, Jibo-es more or less thickened or tuberous. 



1. OE. JistuUsa (L.) ; stoloniferous ; st. and petioles hollow, 

 root-1. 2 — 3-pinnate with 3-fid leaflets, stem-l. simply pinnate 

 shorter than their petioles, leaflets linear, fr. angular turbinate. — 

 E. B. 363.— St. 1—3 feet high, remarkably hollow. Stem-l. 

 distant, with very long stalks. Stoles with simply pinnate 

 leaves. Umbels small, globose in fruit; general involucre 0. 

 Fruit tipped with the long shghtly diverging rigid styles. — By 

 ponds and ditches. P. VII.— IX. E. S. I. 



2. CE. pimpinelloides (L.) ; root of long fibres bearing round 

 or ovoid knobs beyond their middle, root-1. bipinnate with ob- 

 ovate-wedgeshaped 3-lobed Its., st.-l. pinnate with linear acute 

 Its., uppermost 1. simple, radiant pet. oboordate divided to the 

 middle,/)', subcylindrioal ?tf«tt an enlarged corky base but not 

 narrowed at the top.— -B. B. S. 2991. Jacq. Aust. t. 394.— St. 

 j — 3 ft. high, alternately branched. General inv. — 6-leaved ; 

 partial of many 1., about as long as the barren fl. Partial um- 

 bels close together fm-ming one compact fialAopped compound' 

 umbel. Fr. nearly cyhndrical ; cal. erect-patent. — Southern 

 counties. P. VI. Vll. E. 



3. (E. Lachendlii (Gmel.) ; root of long subolavate fieshy 

 fibres tapering at both ends, root-l. bipinnate with oblong entire 

 or wedgeshaped and bluntly 2 — 3-lobed Its., lower st.-l. 2 — 3- 

 pinnate with linear acute Its., upper 1. simply pinnate, radiant 

 pet. divided to the middle, fr. oblong not corky below rounded 

 and contracted at the top. — (E. pimpinelloides Sm. E. B. 347. 

 — St. 1 — 3 feet high, slightly branched. General inv. of many 

 leaves, sometimes wanting ; partial of many leaves, shorter than 

 the barren flowers. Outer fl. on long stalks, mostly barren ; 

 inner fl. fertile, nearly sessile. Eadiant pet. roundish obcor- 

 date with a short narrow claw. Partial umbels distinct, splieri- 

 cal. Fr. crowned with the inflexed calyx. Root-leaves soon 

 vanishing.- Marshes. P. VII.— IX. E. S. I. 



4. (E. silaifdUa (Bieb. ?) ; root of elliptic-oblong knobs, radical 

 1. bipinnate, st.-l. pinnate, Its. all linear acute, external fr. nearly 



