438 CAEDUACEAE. 



filiform segments; heads numerous, 3.5-4.5 mm. high, short-peduncled, in 

 terminal seeund racemes 2-10 cm. long; bracts of the involucre in about 

 2 series, linear, cuspidate or aristate; flowers nearly white. 



Eoi-der of marsh at Adelaide, New Providence : — South Carolina ; Florida ; Cuba. 

 Smooth Dog-fenkel. 



3. Eupatorium havanense H.B.K. Nov. Gen. 4: 128. 1820. 



Eupatorium ageratifolium DC. Prodr. 5 : 173. 1836. 



Shrubby, branched, glabrous or nearly so, the branches spreading. Leaves 

 opposite, ovate to ovate-lanceolate or deltoid-ovate, 2-8 cm. long, acute or ob- 

 tuse, coarsely dentate or crenate-dentate, obtuse to subcordate at the base, 

 petioled; heads commonly numerous; involucre 10-30-flowered, 4-5 mm. high; 

 its bracts linear to liiiear-spatulate ; flowers white; achenes 2-3 mm. long. 



Coppices, pine-lands and scrub-lands, Abaco, Great Bahama, Andros, New 

 Providence, Bleuthera ; — Cuba ; Texas anid Mexico. Cat-tongob. Havana Thokough- 



WOKT. 



4. Eupatorium villosum Sw. Prodr. 111. 1788. 



A branching shrub, 2 m. high or less, the leaves and branches tomentulose. 

 Leaves opposite, petioled, ovate, 1.5-7 cm. long, obtuse, repaoad-dentate or 

 entire; heads small, usually numerous; involucre about 3 mm. high, 8-15- 

 flowered, its bracts oblong or linear-oblong, obtuse; flowers white or purplish; 

 achenes 1.5-2 mm. long. 



Scrub-lands, coppices and pine-lands, Abaco, Great Bahiama and Andros to 

 Crooked Island and Atwood Cay : — Florida ; Cuba ; Jamaica! and the Cayman Islands. 

 Velvety Thoeocghwoet. Jackmada. 



5. Eupatorium odoratum L. Syst. ed. 10, 1205. 1759. 



Eupatorium conysoides Vahl, Symb. 3: 96. 1794. 



Shrubby, much branched, more or less pubescent, erect, or in thickets half- 

 climbing, 1-3 m. high. Leaves thin, ovate to ovate-lanceolate, 5-15 cm. long, 

 3 -nerved, dentate, often with large acute teeth, acuminate at the apex, usually 

 cuneate at the base, the slender petioles 1-4 cm. long; heads in terminsd 

 corymbs 5-10 cm. broad, cylindrio, 8-12 mm. long; involucre-bracts imbricated 

 in about 4 series, striate-nerved, glabrous or nearly so, shining, all obtuse, or 

 the inner acute or acutish; flowers 10-20, white to blue; achenes rough-angled. 



Rocky plains and scrub-lands from Andros, New Providence and Eleuthera 

 southward to Cay Sal islets and the Caicos group : — southern TJnited States ; West 

 Indies and continental tropical America. Recorded from Bermuda. Bushy Teofical 

 Thoeoughwoet. Tonka-bean. Bittee-bhsh. Erroneously called Vanilla. 



6. Eupatorium bahamense Northrop, Mem. Torr. Club 12: 70. 1902. 



Shrubby, branched, 1-1.6 m. high, the twigs puberulent. Leaves ovate to 

 lanceolate, rather firm in texture, punctate, glabrous or sparingly puberulent, 

 2-7 cm. long, obtuse at the apex, cuneate to subtruncate at the base, entire or 

 sparingly orenate, 3-nerved, the petioles 2 cm. long or less; corymbs dense, 

 2-5 cm. broad, the heads sessile or short-peduncled; involucre cylindric, 8-10 

 mm. high, 2-2.5 mm. thick, its scales imbricated in 4 or 5 series, oblong to 

 laiiceoIaTte, obtuse, 3-nerved; flowers pale blue or lavender; achenes 3-4 mm. 

 long, 3-5-angled, tapering to the base. 



Sand-dunes, coppices and scrub-lands. Little Harbor Cay of the Berry Islands, 

 Andros, New Providence, Eleuthera and Great Guana Cay of the Bxuma. Chain. 

 Endemic. Recorded by DoUey and by Baton and Setcbell as B. integrifolium Bert. 

 Bahama Thoeoughwokt. 



