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288 PROCEEDINGS OF THE AMERICAN ACADEMY. 
Sch. Bip. ace. to Klatt, ].c.— Oaxaca: Galeotti, 2122, Andrieux, 349; 
Tehuacan, Liebmann, 267 (drawing in hb. Gr.), Schmitz, 1027 (hb. Gr.) ; 
Coixlahuaca, Melson, 1935, alt. 2,000 to 2,500 m., 1894 (hb. Gr.). 
Puesra: Puebla, Smith, 912, alt. 2,000 m., 1895 (hb. Gr.), Pringle, 
4749, fields, 1894 (hb. GF, hb. J. D. S., hb. M. B. G., hb. U. S.); 
Chapultepec, Schaffner, 16 (hb. Gr.); Hort. Mex., Berlandter, 640 
(hb. Gr 
b. b. b. Leaves remotely denticulate, narrow at base; inflorescence naked, not 
compact; upper stem pubescent, slender; outer bracts usually conspicuous. 
6. F. intermedia, nov. sp. Stem about 30 cm. high, slender, erect, 
angled, purplish, pubescent, dichotomously branching, primary branches 
in the two specimens all simple, terminated by a loose corymbiform 
glomerule resembling that of F. campestris: leaves minutely serrate, 1.2 
to 5 cm. long, .2 to .4 em. wide, usually opposite, sometimes whorled 
in axils: heads few-flowered, bracts minute to 3 mm. long: 2 achene 4 
larger than 8 achene. — DurANGO: Plains near Yermo, Pringle, 7359, 
Oct. 1896 (hb. U. S., hb. Gr.). 
This species differs from F. linearis in having only three bracts, in 
possessing a 9 achene much larger than the achene of % flower, and 
in form of leaves. It differs from F’. campestris in its very slender stem, 
in shape of leaves, and in size of flowers; and from /. angustifolia iu its 
slender stem, comparatively loose inflorescence, and size of floral organs. 
b. b. b. 6. Leaves remotely denticulate, narrowing to a petiole-like base; stem 
scent; outer bracts minute or absent. — 
Foukts ROBUSTA, Rose. About 1.2 m. high, pubescent or glabrate 
below: leaves lanceolate or linear above, 4.5 to 13 em. long, acute to 
- acuminate, tapering into a slender petiole, 3-nerved, entire or slightly 
serrate: inflorescence open, corymbose; heads small, with 3 involucral 
bracts: flowers 3; ray 1, orbicular, about .2 em. long; disk flowers 2: 
achenes .15 cm. long. — Rose, Cont. Nat. Herb. i. 337 (1895). — Mexico: 
Colima, Palmer, 1299, Feb. 27-28, 1891 (hb. Gr., hb. J. D. S., hb. 
-M. B. G., hb. U. S.); Armeria, Marcus E. Jones, 276 June 28, 1892 
(hb. Gr., hb. U. S.); aay Batopilas, #. A, Goldman, 240, 
Oct. 1898 (hb. Gr. hb. U. 
a, a. — linear, bracts 5. 
b. Stem strict. 
8. F. civearis, Lag. Stem shrubby, erect or more commonly 
sprawling, branching indefinite, branches of unequal length; lower inter- 
nodes short, made conspicuous by the remnants of the leaves, striate, 
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