414 Order 70.— COMPOSITE. 



rarely solitary, sometimes 10 or 12, mostly about 5. FIs. bright-purple. Jl. — 

 Sept. 



6 L. Boykf nii Torr. and Gr. Slender, erect ; Ivs. linear , punctate, elongated, the 

 upper short and setaceous; hds. 3 to 5-flowered, sessile, or with short appressed 

 ped. in a close virgate spike ; scales few, the outer subulate, short, the inner 

 lance-linear, ma/rgins scarious, lips acuminate, spreading, as long as the plumous 

 pappus. — W. Go. Plant nearly smooth, 1 to 2f high, with pale purple florets. 

 Aug., Sept. 



7 L. tenuifolia Nutt. Smooth, slender, simple; Ivs. narrowly linear or filiform, 

 the lower crowded, very long, diminishing upwards to setaceous bracts ; hds. 5- 

 flowered, crovsrded, on scaly, filiform ped. forming a long raceme ; scales oblong, 



.oiluse, mucronulate, outer very short ; pappus plumous, scarcely longer than the 

 villous fruit. — Pine barrens, N. Car. to lla. Very elegant, 2 to 4f high. Et. Ivs. 

 resembling those of the long-leaved pine, in a crowded tuft. Eac. of purple fls. 



1 to 2^ ped. 1'. Aug. — Oct. 



8 L. seoiinda Ell. Slender, ascending and recurved ; Ivs. linear, short, the radi- 

 cal linear-lanceolate ; rac. recurved, long, slender, with the heads all turned to the 

 upper side (seound); invoL about 10-scaled and 5-flowered; pappus plumous 

 (under a lens). — Dry sand hills. Mid. Car. and 6a. Sts. 1 to 3f high. Beautifully 

 distinguished by its long (6 to 12') seound racemes. Aug., Sept. 



9 L. pauciiora Ph. St. simple, glabrous; Ivs. linear; pom. (composed of simple 

 racemes ?) virgate, leafy, branches short, with few hds. ; hds. subsessile, secund, 

 3 to 5-flowered ; scales erect, lanceolate, acute, glabrous. — Ga. (Bartram, Purgh.) 

 A species at present unknown. Probably a var. of the last. 



10 L. grdoilis Ph.- Pubescent, slender, simple; Ivs. linear, 1-veined, short, the 

 lower lanceolate, obtuse, all glabrous, ciliate at base ; hds. 3 to 5 to 7-flowered, 

 on divaricate, slender, hairy pedicels, in a long virgate raceme, rarely paniculate ; 

 scales few, appressed, oblong, obtuse, shorter than the purple barbellate pappus. 

 Dry pine barrens, Ga., Pla., Ala. Plant grayish, 2 to 3f high. Hds. small Fr. 

 villous. Sept., Oct 



11 L. pycnostaohya Mx. Simple, more or less hirsute, very leafy ; Ivs. rigid, 

 ascending, straight, lower ones long, lanceolate, veined, obtuse, upper short, nar- 

 row-linear ; spiice dense and thick, long and bracted below ; hds. mtmerow, cylin- 

 drical, sessile, 5-flowered ; scales appressed, with acute, scarious and colored 

 squarrous tips. — Prairies, 111. to Tex. A stout species, distinguished from L. 

 spicata, chiefly by its acuta, squarrous scales, and few-flowered heads. St. 3 to 5f 

 high. Spikes cylindrical, 10 to 20' long. Aug. Varies with stem and invol. 

 nearly glabrous (L. braohystachya Nutt.) 



12 L. scariosa L. Gat Feather. Scabrous-pubescent ; Ivs. lanceolate, lower 

 on long petioles, upper liusar and much smaller ; hds. remotely racemed, 20 to 40- 

 flowered, globous hemispherical ; scales obovate, very obtuse, purplish ; fls. numer- 

 ous ; pappus scabrous. — A beautiful plant, 4 to 5f high, in woods and sandy fields, 

 Can., Mass. (Ricard) to Ga. and La. St. rather stout, whitish above. Lvs. 

 numerous, entire, lower 3 to 9' long, upper 1 to 3' by 1 to 3", rough-edged. 

 Hds. 5 to 20, 1' diam., in a long raceme, each 20 to 40-fiowered. Cor. purple. 

 Aug. f 



13 L. spicata Willd. Lvs. lance-linear, smoothish, punctate, ciliate, lower ones 

 narrowed at base ; hds. in a long, terminal spike, sessile ; scales of the invol. oblong, 

 obtuse ; fls. about 8 ; pappus scabrous-plumous. — Native from N. J. and Mich, to 

 Fla. and La. Abundant in prairies. • A beautiful species, often cultivated. St 



2 to 5f high. Hds. numerous, with bright purple fls. Aug. f — ^Varies with 

 smaller, 5 to T-flowered heads. (L. resinosa Nutt.) 



14 Ii. gramiuifolia Willd. Glabrous or with scattered hairs ; St. slender and 

 simple; lvs. luiear, 1-veined; hds. 1 to 12-flower6d, mostly pedicellate, spikes or 

 racemes sometimes paniculate below ; invol acute at base ; scales many (12 to 

 18), obovate-spatulate, very obtvse, appressed, outer row shorter ; ach. hairy. — N, 

 J. to Ga. and Ala. St. 2 to 3f high. The lower lvs. are lance-linear, 3 to 4" 

 wide, upper subulate. Hds. generally pedicellate, pedicels 4 to 12" long. Fr. 

 hairy, shorter than the scabrous pappus. Sept., Oct. 



/3. DUBrA. Inflorescence sometimes compound bflow, or partly paniculate; 



