270 UMBELLTFER^. [Banrvs, 



Pursh, FL Am, t». 1. jd. 181. BigeL FL BosL ed. 2. p. 110. TorreT/, FL of Un. St. v. 1. jp. 

 313. — H. Sphondylium, Cham, et Schlecht, in Linncea^ v. 1. /?. 394. Rich, in FrankL \st 

 Journ, ed. 2. App. p. 10. 



Hab. Canada, Michmix ; and as far north as the Mackenzie Eiver, in lat. 38°. Dr. Richardson. Dnvn- 

 mond. Moist bauks of streams, North -West America, where the roots and young- stems are eaten by the 

 Chenook Indians. Douglas. Dr. Scouler. Unalaschka. Chamisso, — This plant is called Pthpoon-oJitic, 

 (flute stem,) by the Cree Indians : and the youn^ stems are used as Potherb. Richardson. 



2. H. Douglasii; foliis subtus petiolisque scabris superne glabris trisectis, segmeiitis 

 petiolulatis cordatis 3-5-lobis acuminatis dentatis, involucri foliolis plurimis apice subulatis, 

 fructibus obovatis glabris, vittis dorsalibus elongatis subclavulatis, comniissura 2 brevibus 

 clavseformibus, et 2 aliis minimis subabortivis. De Cand. Prodr. v. \. p. 193. 



H.VB. North -West America. Douglas, (ex De Cand. fil. in Prodr.)— 1 suspect this is only a variety of 

 iZ. lanatum, which I possess both from Mr. Douglas and Dr. Scouler, gathered in North-West America. 



f f MultijugafcB, nempe jugis primariis et secundariis donatcB. 



Trib. VII. Thapsie^, Fructus a dorso mericarpiorum compressus vel suhteres, jugis 

 primariis lateraUhus sub piano cimmissurali impositis, secundariis plurimis in alam expansis. 



24. LASERPITIUM. Litm. 



Calycis margo 5-dentaius. Petala obovata emarginata cum lacinula inflexa. FructM,s a 

 dorso compressus vel subteres 8-pterus nempe mericarpia jugis primariis 5 filiformibus, 

 secundariis 4, omnibus in alam expansis, valleculis sub jugis secundariis l-vittatis, carpo- 

 phore libero bipartlto. — Herbse. Folia 2-S-pinnatisecta, segmentis integris dentatis iricisisve. 

 Umbellse multiradiatcB speciosce. Involucrum utrinque polyphyllum. Floras albi^ rarius 

 Jlavi. — Genus alis 8 distinctissimum. DC. 



1. L.hirsntum; foliis supra decompositis hirsutis segmentis angustis pinnatifidis, lobis 

 abbreviatis linearibus cuspidatis, involucri foliolis membranacels apice subtrifidls ciliatis, 

 fructuum alis tenuibus planis. DC. — Larii. Ft. Fr. v. 3. p. 648. De Cand. Prodr. v. 4. p. 

 205. Hook, et Arn. in Bat. of Beech. Voy. v. 1. p. 125. — Hall. Helv. n. 795. ^.'19. 



IJab. Kotzebue's Sound. Messrs. Lay and Collie in Capt. Beechey^s Voyage. 



Trib. VIII, Daucine^. Fructus a dorso mericarpiorum suhcompressus aut teres^ jugis 

 primariis lateralihns piano commissurali impositis^ secundariis in aculeos liberos aut in 

 alam hasi connatos expansis. DC. 



25. DAUCUS. Linn, 



Calycis margo 5-dentatus. Petala obovata emarginata inflexa, exteriora saepe radiantia 

 et profunde bifida. Fructus a dorso subcompressus ovatus aut oblongus. Mericarpia 

 jugis primariis 5 filiformibus setulosis, 3 intermediis dorso, 2 lateralibus piano commissurali 

 impositis ; secundariis 4 aequalibus magis prominulis alatis in seriem simplicem aculeatam 

 partitis, valleculis sub jugis secundariis 1-vittatis. Semen antice planiusculum. — Herbse 

 scepius biennes. Folia bipinnatisecta. Involucrum foliolis plurimis tri-aut pinnatifidis^ 



