i'J2 OUDER 70. COMPOSITE. 



*Z H. seabrum MX. Leafy, rough-hirsute, glandular above ; Ivs. obovate to elliptic 

 subontire ; invol. scarcely imbricated ; fr. red. Hilly wood?. 1 3f. Eds. 9". Ang 



3 H. longipilum Torr. Clothed with tony, erect, shaggy hairs ; Ivs. lance-oblong, 



entire ; hds. glandular, 20-30-flwd. in a small naked panicle. \V. 1 2f. July, Aug. 



4 II. Gronovil L. Hairy, paniculate, glandular at top ; Ivs. obovate to lance-oblong, 



slightly toothed, the cauline sessile, often few ; fr. 20 30, narrowed adore. Varies 

 with stems leafy or subnaked ; pan. close or diffuse. Dry hills: com. 1 3f. Aug. -t-. 



5 II. venos.uni L. Scape or stem leafless, or with one leaf, paniculate, smooth ; Ivs. 



obovate, entire, nearly glabrous, with purple veins ; scales smooth ; fls. 20; fr. linear. 

 Woods, E. and W. 1 2f. Hds. on slender ped., broader (9'0 than in No. 4. JI., Aug. 



6 H. pa ii icula t u m L. Slender, leafy, diffusely paniculate : Ivs. lanceolate, glabrous ; 



pea. very slender ; fls. 1020 ; fr. short-cylindric, black. Woods : com. 2 3f. Aug. 



107. CATANANCHE, L. Invol. imbricated, scarious. Recep. pale- 

 aceous. Pap. paleaceous, 5-leaved. Pales awned. Oriental herbs, with 

 alternate, lanceolate leaves. 



C. CCEKULEA L. Lvs. villous, somewhat bipinnatifld at base ; invol. lower scales ovate, 

 mucronate. S. Europe. 2 3f. Heads on long peduncles. Blue. July -t- . 



108. NABALUS, Cass. DROP FLOWER. Invol. cylindric, of many 

 linear scales in one row, calyculate with a few short, appressed scales at 

 base. Ilecep. naked. Pap. copious, capillary, brownish, 2-rowed, persist- 

 ent. Cyp. not beaked, smooth, striate. U Erect, with a tuberous, bitter 

 root. Reads 5-18-flowered, not yellow, although often straw-colored. 



Heads pendulous, glabrous. Leaves variously lobed or shaped. . . (a) 



a Dwarf species (6 10' high) native of high mountains Nos. 1, 2 



a Tall (2 5f high). c Heads 5-6-flowered No. 3 



c Heads 8-12-flowered. d Pappus tawny No. 4 



d Pappus straw-colored Nos. 5, 6 

 Heads nodding or erect, hairy. Leaves mostly undivided... (b) 



b Heads about 12-flowered. Pappus straw-color Nos. 7, 8 



b Heads about 25-flowercd. Pappus tawny or dusky No. 9 



1 N. Boottli DC. St. simple, dwarf; Ivs. hastate-cordate to lanceolate, mostly entire 



heads racemed ; flowers 10 18, inner scales 10 15. High mountains, N. July-t-. 



2 N. iiaiius DC. Smooth, simple ; Ivs. deltoid-hastate and variously lobed. upper Ian 



ceolate, all petiolate; hds. clnstered-paniculate ; sc. 8. fls. 1012. White Mts. Aug. 



3 N. alt.ssimus Hook. Smooth, strict, paniculate, tall, leafy; Ivs. petiolate, pal- 



mately 3-5-ck'ft, or lobed, varying to hastate, cordate, or even ovate, dentate ; hds. <>'' 

 long, yellowish, forming a slender, leafy panicle; sc. 5. Woods, N. 3 5f. August. 



4 N. albiis Hook. Lion' f -foot. White Lettuce. Smooth, glaucous, corymb. -paniculate; 



Ivs. hasiate-lobed to ovate, petiolate, the lobes or leaves obtuse ; heads 67", with Q 

 scales, 9 12 fls., and brown pappus. Moist woods. 2 4f. Purplish in spots. Aug. 

 |3. Serprntdria. Snake-root. Lvs. deeply 3-lobed, the middle lobn 3-parted. 



> N. Fraseri DC. Earth-gall. Smoothish, corymb. -paniculate ; Ivs. hastate or del- 

 toid, rarely 5-7-lobed, on winged stalks, upper lanceolate. Varies with the ieaves till 

 lanceolate and merely toothed. Hard soils. Conn, to Fla. 2 4f. August. 



o X . vlrgatus DC. Glaucous, simple, strict : Ivs. sinuate-pinnatifid. narrow, the upper 

 toothed or entire : panicle or raceme virgate. Sands. N. J. to Fla. 2 If. Sept., Oct. 



7 N. racemosus Hook. Smooth I'exc. the invol.). simple, sk-nder: Ivs. lance-oval to 



lance-ovate, denticulate ; hds. snberert, spicate-pnniciilate. Swamps. N. J. to Iowa. 



and N. 2 4f. Flowers pale red. Vuries with the lower leaves cut-pinnatifid. Sept. 



s N. asper T. & G. Rough-downy, simple, strict ; leaven oval-oblong to lance jblong, 



dentate : hds. erect, fascicled in a spicate panicle ; fls. yellowish W. 2 4f. Sept 



