EUPATORIUMS OF PERU. 



77 



pappus-bristles about 25, white, scarcely roughened, slightly united 

 into an annulus at the summit of the achene. — Hieron. in Engl. Bot. 

 Jahrb. xl. 376 (1908). — Cuzco: near the city of Cuzco, Squier (Gr.), 

 Dr. & Mrs. J. N. Rose, no. 19,028 (Gr., U. S., N. Y.) ; on Sacsahuaman 

 Hill, in grassy and bushy places, alt. 3500-3600 m., Wchcrhauer, no. 

 4852; OUantavtambo, alt. about 3000 m., Cook & Gilbert, no. 534 

 (U. S.). 



64. E. TAMBiLLENSE Hieron. Branches round, pubescent, at 

 length glabrate and brown; internodes up to 8 cm. long; leaves oppo- 

 site, ovate or ovate-lanceolate, acuminate, serrate except at the 

 acute apex and rounded or shortly cuneate base (teeth 5-12 on each 

 side, at most 1.5 mm. high, 7 mm. broad, mucronate), firmly mem- 

 branaceous, bright yellowish-green, 3-nerved from a point 5-10 mm. 

 above the base (nerves connected by subparallel transverse veins), 

 attaining 8 cm. in length and 4 cm. in breadth, above puberulent on 

 the nerves, the reticulated veinlets depressed, beneath pubescent on 

 the nerves; petiole 1-2.5 cm. long; panicle leaf y-bracted ; pedicels 

 as much as 1.5 cm. long, puberulent, bracteolate; heads 20-25-fiow- 

 ered; involucre narrowly campanulate; scales about 15, lance-linear, 

 acutish, 3-nerved, about 6 mm. long, 2-3 of the outermost shorter; 

 corollas about 4 mm. long, with more or less differentiated proper 

 tube and throat, glabrous except on the limb, where sparingly beset 

 with jointed hairs; achenes '' dark-brown, 1.75 mm. long (scarcely 

 mature), smooth and shining on the faces, scabrid on the concolorous 

 angles; pappus-bristles about 25, yellowish-white, not thickened 

 toward the tip.— Hieron. in Engl. Bot. Jahrb. xl. 380 (1908).— Caja- 

 marca: near Tambillo, 11 Aug. 1878, W7i Jelski, no. 668. No mate- 

 rial of this has been seen by the writer. The description is here com- 

 piled from the original character. 



65. E. STiCTOPHYLLUM Robiusou (p. 36). Shrubby, 1 m. high; 

 stem subterete, costulate (when dried), purplish-brown, when 

 young obscurely puberulent, opposite-branched, leafy up to or into 

 the broad and flattish or moderately convex compound corymb; leaves 

 opposite, ovate-lanceolate, caudate-acuminate at apex, abruptly 

 subacuminate at the roundish base, serrate (teeth 11-23 on each side, 

 mucronulate, often again toothed), firmly membranaceous, glabrous, 

 above dull-green, beneath paler green, finely reticulate-veined and 

 dark-punctate (veinlets not prominulent), 6-8 cm. long, half as 

 wide, 3-nerved from a point about 5 mm. above the base, the lateral 

 nerves often dividing shortly after leaving the midnerve (or occasion- 

 ally replaced by 2 adjacent and pinnately disposed nerves on one side) ; 



