330 LXXV. COMPOSITE. SOLIDAOO. 



forming a long, terminal, interrupted spike. Rays about 8, very short, yellow- 

 ish-white, obscure. July. Aug. 

 /?. concolor. T. & G. (S. hirsuta. Nutt.') Flowers all yellow. Penn. 



4. Heads in erect, terminal, simple or compound racemes, not secund. 



10. S. PUBERULA. Nutt. 



Plant puberulent; si. simple, terete; Ivs. lanceolate, entire, attenuated at 

 each end, radical ones subserrate ; roc. spicate, axillary, erect and condensed , 

 pe d. pubescent ; invol. scales linear-lanceolate, acute ; rays about 10, elongated. 

 Found in low woods, Maine, Ms. Stem straight, purplish, 2 3f high, ter- 

 minating in a long, thyrsoid spike of dense, appressed racemes. Leaves very 

 minutely pubescent both sides, the lowest on dense, winged stalks. Heads 

 rather large, bright yellow. Aug. Oct. 



11. S. STRICTA. Ait. Upright Goldenrod. 



Smooth; st. strict, erect, simple; cauline Ivs. lanceolate, very entire, rough- 

 edged, radical ones serrate, very long ; rac. paniculate, erect ; ped. smooth. In 

 wet woods, Northern States. Stem (and every other part) very smooth, about 

 2f high. Leaves 2 4 8' by | 1', lower attenuated at base into a long, 

 winged petiole. Panicle terminal, close, composed of short, dense, appressed 

 racemes. Heads 12 18-flowered. Aug. 



12. S. SPECIOSA. Nutt. Showy Goldenrod. 



St. smooth, simple ; Ivs. lanceolate, entire and scabrous on the margin, 

 thick, the radical and lower ones subserrate, very broad ; rac. erect, numerous, 

 forming a terminal, thyrsoid panicle ; pedicels shorter than the involucre, pu- 

 bescent ; rays large, 6 8. Woods, Mass. ! to Ohio and Ga. A very tall, 

 showy species, sometimes 6f high. Stem stout, often purple, furrowed. Leaves 



ample, some of them & by 3'. Heads exceedingly numerous, with conspicu- 

 ous rays of a rich yellow, in a large, showy, pyramidal panicle. Aug. Oct. 

 /?. angustata. T. & G. (S. erecta. DC.) Panicle slender, spicate. N. J. 



13. S. THYRSOIDEA. Meyer. (S. virgaurea. Bio.) Thyrsoid Goldenrod. 

 St. simple, flexuous, very smooth, pubescent above ; Ivs. smooth, ovate, 



sharply serrate, acute, the lower ones on long petioles, the upper ones subses- 

 sile, lanceolate ; rac. mostly simple, short ; Ms. large, with conspicuous rays. 

 A very fine goldenrod in woods on the sides of the White Mts., and at Fran- 

 conia Notch, N. H. ! ' Also " on the sides of Killington Peak and Mansfield 

 Mt., Vt." Bobbins. It is remarkable for the long, slender stalks of the lower, 

 ovate leaves, and for the large, deep yellow heads which exceed in size those 

 of most other species. Stem 1 3f high, racemes axillary and terminal, usu- 

 ally in a thyrse-like panicle. Aug. 



14. S. VIRGAUREA. European Goldenrod. 



St. flexuous, furrowed, pubescent at top; stem Ivs. lanceolate, serrate, lower 

 ones oval, attenuated at both ends ; rac. erect, ray elongated, flowers large. This 

 is the only species common to the two continents. One of its numerous varie- 

 ties is seen scattered here and there on the lower summits of the White Mts. ! 

 scarcely on Mt. Washington peak. The flowers are very few, often one only, 

 but larger than those of most other species, and of a rich, golden-yellow. Stem 

 often purple, 2 3' high, simple, with axillary and terminal flowers. Aug. 



15. S. HUMILIS. Ph. Low or Humble Aster. 



Glabrous ; si. simple, erect ; radical Ivs. oblanceolate, petiolate, obtuse 

 and crenate-serrate at apex, the cauline lanceolate, acute, the upper linear, en- 

 tire; rac. simple or paniculate ; scales oblong ; rays short. On limestone rocks, 

 at Winooski Falls, Colchester, also on the Winooski and Onion rivers, Vt. 

 Robbins. Stem 6 12' high, somewhat glutinous. Raceme slender, strict. 

 Leaves of the stem about 2' by 3 4", serrulate. Heads middle size, 6 8- 

 rayed. Aug. Sept. 



/?. Taller; hds. more numerous, in short, glomerate clusters, forming a dense, 

 slender, interrupted raceme. Near the Willey House ! White Mts. 



5. Heads in secund racemes. Leaves evidently tripli-veined. 



16. S. NEMORALIS. Field Aster. 



St. subtomentose ; cauline Ivs. oblanceolate, sessile, hispid, nearly entire, 



