EUPATORIUMS OF PERU. 47 



Vahl, Symb. iii. 96 (1794); Bak. in Mart. Fl. Bras. vi. pt. 2, 277 (1876). 

 E. floribundum HBK. Nov. Gen. et Spec. iv. 118, t. 344 (1820). E. 

 conyzoides, var. florihiindum (HBK.) Hieron. in Engl. Bot. Jahrb. 

 xxxvi. 463 (1905), as floribimda. E. conyzoides, var. tainhUlense Hieron. 

 1. c. 464. — Caja]viarca: near Tambillo, von Jelski, nos. 783 (Berl., 

 fragm. Gr.), 785 (Berl., fragm. Gr.), and ace. to Hieron. 1. c. (under his 

 varieties founded on the highly inconstant number of florets and degree 

 of pubescence) also von Jelski, nos. 780-782, 784, 786. [Widely dis- 

 tributed in the warmer parts of America; common and variable.] 



10. E. CLEMATiTis DC. Shrub with round flexuous smoothish 

 green or brownish stems and opposite divaricate curved-ascending 

 branches; leaves opposite, slender-petioled, rather thin, ovate- or deltoid- 

 lanceolate, acuminate, subentire or shallowly and bluntly 2-3-toothed 

 on each side, subtruncate, rounded or obtusely pointed at the base, 

 3-nerved, green on both sides, sparingly hirtellous chiefly on the nerves 

 and glandular-punctate or resinous-atomiferous (the resin globules at 

 first golden brown, at length turning w^hitish), 3-5 cm. long, 1.3-3 cm. 

 wide; petiole about 1 cm. long; corymbs open, mostly few-headed; 

 heads cylindric, 1 cm. long, about 25-flowered; pedicels mostly 6-15 mm. 

 in length; involucral scales smooth, closely appressed, rounded or obtuse 

 at the greenish tips; achenes slender, fuscous, smooth, 4 mm. long.— 

 Prod. V. 144 (1836).— Peru? without exact locality, Poeppig, no. 3108 

 (DC, phot, and fragm. Gr.). 



This species has been studied from a clear photograph of the type in 

 the Prodromus Herl^arium at GencA'a and a fragment of the type num- 

 ber in the Klatt collection purchased by the Gray Herbarium. 



11. E. Jelskii Hieron. Hirsute-\illous undershrub 1 m. high; 

 branches somewhat virgate, terete, purplish, leafy up into the terminal 

 opposite-branched panicle; hairs articulated, rusty, spreading or some- 

 what tangled; leaves thin, lanceolate, coarsely few (2-8) -toothed, acute, 

 cuneate at base, 6-9 cm. long, 1.4-3 cm. wade, above sparingly sordid- 

 villous or at length only scabrid, below densely \'illous-hirsute chiefly 

 on the nerves and larger veins, 3-nerved from near the base; petiole 

 mostly 5-7 mm. long, densely tawTiy- villous ; heads slender, cylindrical, 

 about 20-flowered, about 1 cm. in length, on filiform pedicels at maturity 

 nearly as long; involucral scales about 30, reddish-purple, green-nerved 

 toward the rounded or obtuse slightly puberulent and ciliolate tip; 

 corollas apparently purple, slightly enlarged toward the summit, granu- 

 late on the outside; achenes dark-colored. — Hieron. in Engl. Bot. 

 Jahrb. xxx\'i. 464 (1905).— Cajamarca: near Tambillo, von Jelski, 

 no. 665 (Berl., fragm. Gr.). Without locality: Mathews (N. Y.). 



