Seselu] UMBELLIFER^, 263 



3. S.? Douglasii; caule tereti, foliis pinnatisectis segmentis infimis trisectis cseterisque 

 petiolulatis ova to-oblong is grosse serratis, umbellis oppositifoliis et terminalibus pedunculatis 

 exinvolucratis multiradiatis. De Cand, Prodr, v. 4. p. 125. 



Hab. North-West America. Douglas. — This plant is characterised by Professor De Candolle from a 

 specimen gathered in the Garden of the Horticultural Society of London ; and the lower leaves are said to 

 be a foot and a half long^. May it not be a luxuriant plant of Cicuta maculata? 



11. BUPLEURUM. Linn. 



Calycis margo obsoletus. Petdla subrotunda Integra arete involuta lacinula lata relusa. 

 Fructits a latere compressus vel subdidymiis, stylopodio depress© coronatus. Mericarpia 

 jugis 5 alatis acutis filiformibus aut obsoletis, lateralibus marginalibus, valleculis vittatis 

 aut evittatis Isevibus granulatisve. Semen tereticonvexum antice planiusculum. — Herbae 

 aut frutices glaberrimi. Folia rarius sccta scepius limbo dbortivo et petiolo dilatato mutata 

 in phyllodia integerrinia, Umbellae compositce. Involucra paria. Y\oTesflavi. DC. 



1 . B, ranunculoides ; foliis radicalibus lineari-lanceolatis, caulinis amplexicaulibus 

 cordato-oblongis striatis, involucro sub-3-phylIo insequali, involucelli foliolis 5 ovatis 

 mucronatis nervosis distinctis. DC. — Linn. Sp. PL p, 342, De Cand. Prodr. v. 4. p. 131, 



B. angulosum. Spreng, in Schultes, Si/st. Veget. v, 6. p. 366. Hook, et Am. in Bot. of 

 Beech. Voy. v. \. p. 124. Cham, et Schlecht. in Linncea^ v. \. p. 283. 



Hab. Cape Mulgrave, in Behring's Straits. Messrs. Lay and Collie, in Captain Beechey*s Voyage. 



Trib. IV. Seseline^, Fructus sectione transversali teres aut teretiusculus aut mericar- 



piis dor so subcompressis. 



12. SESELI. Linn. 



Calycis margo 3-dentatus, dentibus brevibus crasslusculis interdum subobliteratis. Petala 

 obovata, in lacinulam inflexam coarctata, emarginata, vel subintegra, Fructus ovalis vel 

 oblongus, sectione transversali subteres, stylis reflexis coronatus. Mericarpia jugis 5 pro- 

 minulis filiformibus vel elevatis crassis corticosis, lateralibus marginantibus et saspe paulo 

 latioribus. VaUeculcB l-vittatffij exteriores rarius 2-vittataB. Commissura bivittata, rarius 

 4-vitt. Semen subsemi teres. — Herbae scBpius glaucce, biennes aut perennes. Folia pinnati- 

 secta aut ternato-decomposita. Involucrum subnullujn; invoWaceHa polypkyila. Flores albi^ 

 rarrissime Jlavi. DC. 



1. jS. leiocarpum; foliis longe vaginantibus triternatis seu tritemato-pinnatis, foliolis 

 petiolulatis oblongis integerrimis integris trifidisve glaucis, caule nudiusculo, umbellula com- 

 posita radiis universalibus valde inaequalibus, umbellis capitatis, floribus dioicis seu polyga- 

 mis? fructu (immaturo) Isevissimo oblongo-cylindraceo, involucris involucellisque nullis. 



(Tab. XCIII.) 



Radix? Caulis spitharaceus, simplex, basi solummodo foliosus. Folia longe vagluautla, ad vag:inam 



usque ternata, pinnis seu foliolis primariis divergentibus, longe petiolatis, ternatis seu quinato-pinnatis ; pin- 



nulis sesquiuncialibus, oblongis, integris seu bi-trifidis, integerrimis, glaucis, sub lente reticulatim venosis. 



Umbella solitaria (an semper ?) composita ; radiis valde inaequalibus ; aliis vix unciam longis, aliis 3-4 poU- 



caribus. Involucra involucellaque nulla. Vmbellulm multiflorae, capitato-globosae, flavescentes. Flores 



\ diolci seu polygami. Fructtts (immaturus) oblongo-subcylindraceus, hevissimus, ad commisuras carinatus. 



Styli reflexi. 



