Sanicula.] TJMBELLIFER^. 257 



Ord. XLIII. UMBELLIFERiE. Juss. 



Subord. L Orthosperm^. Albmnen intus planum aut planiusculmn, 



* UmbeUis simplicibus aut imperfectis ; Vittis fructus nullis. 



Trib. I. HvDRocoTYLEiE. Fructus a latere compressus ; mericarpiis dorso convexis 



aut acutis, 



1. HYDROCOTYLE. Linn. 



Calycis tubus subcom press us, limbus margo obsoletus. Petala ovata integra acuta apice 

 recto, Fructus a latere piano-compress us biscututus, Mericarpia evittata, jugis 5 filifor- 

 mibus, carinali et lateralibus ssepe obsoletis, intermcdiis 2 accretis. Semen carinato-com- 

 pressum. — Herbse rarins suffrutescentes, scepius tenues, aquaticm, Umbellse simpHces. 

 Involucrum oligophyllum. Flores sessiles aut pedicellati albidL DC. 



1. H. Americana; glaberrima, foliis orbiculato-reniformibus sublobatls duplicato-crenutis 

 9-nerviis, umbellis capitatis 5-floris, superioribus subsessilibus, inferioribus breve peduncu- 

 latis. DC. — Lin7i, Sp, PL p. 234. Rich. Hydroc. n. 19. f. 10, Mich. Am. v, 1. p. 162. 

 Pursh, FL Am. v. 1. p. 190. Elliott, Carol, v. \. p. 348. Bigel. Fl. Bost. ed. 2. p. 109. 

 Torrey, Fl. of Un. St. v. 1. p. 303. De Cand. Prodr. v, 4. p. 64. 



Hab. Canada. Lake Huron. Dr. Todd. 



2. H. vulgaris; foliis peltatis orbiculatis duplicato-crenatis 9-nerviis, petiolis apice 

 pilosis, umbellis capitatis subbifloris, fructu basi subemarginato concolori. DC. — Linn. Sp. 

 PL p. 338. Engl. BoL t. 751. Mich Am. v. 1. p. 161. Elliott, CaroL v. 1. p. 345. Pursh, 

 FL Am. V. 1. p. 191. Torrey, FL of Un. St. v. 1, p. 303. De Cand. Prodr. v. 4. p. 59. 



Hab. Canada. Pursh. 



Trib. 11. Saniculeje. Fructus ovato-glohosus. 



2. SANICULA. Linn. 



Calycis tubus echinatus; lobi foliolosi persistentes. Petala erecta conniventia obovata 

 emarginato-infracta in lacinulam longitudine petali. Fructus subglobosus non sponte 

 partibilis. Mericarpia ejugata multivittata, aculeis uncinatis dense tecta, carpophoro nullo 

 distincto, seminibus semiglobosis. — Herbse perennes. Folia radicalia petiolata palmatilobn, 

 lobis cuneatis apice inciso-de^itatis. Caidis iiudus aut parce foliosus. Umbella generalis 

 pauciradiata ; invoiucn foliolis paucis smpe divisis. \J mheWnlo. pluriradiata, involucri 

 foliolis pluribus integris. Flores in eadem umbellula masc.fcem. aut hermaphr. — DC. 



1. S. Marylaudica; foliis quinato-digitatis inciso-serratis inferioribus pedatis longe 

 petiolatis, floribus polygamis, masculis pedicellatis, calycis Jobis integris. — Linn. Sp. PL p. 

 339, Jacq, Ic. Ear. t. 348, Mich. Am. v. I. p. 162. Pursh, Fl. Am. v. \. p. 191. BigeL 

 FL Bost. ed. 2. p. 109. Elliott, CaroL v. 1. p. 348. De Cand. Prodr. v. 4. p. 84.— S. 

 Canadensis. Linn. Sp. PL p. 339. Pursh, FL Am. v. \. p. 191. De Cand. Prodr. v. 4. 



p. 84. 



Hab. Throuo-hout Canada, and as far as the Saskatchawan. Drumynond. Newfoundland. De la Pylaie. 

 Undulating gravelly soils, near Fort Vancouver. Dou^/os.— The accurate Dr. Torrey lias, in my opinion, 



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