COMPOSITiE. 



197 



obovato-lanceolate, nearly entire. Rac. 

 crowded, oblong. Fl. rather large. Shore 

 of Tusc. 



r), reticulata. Stem pubescent, branched. 

 L. oblongo- lanceolate, entire, rugose, 

 ciKate, reticulato-venose beneath, e. Pyr. 



Q. nudiflora. Hariiess. L. elliptic, acumi- 

 nate, attenuate : the uppermost entire. 

 Stalks naked, 1-2-flowercd. Monte Ta- 

 luno, Cors. 



431. LINOSYRIS. 



1. vulgaris. L. linear, hairless, without 

 dots. n. corymbose. Phyll. with appendages, 

 squarrose. p. 02)en rocky, m. and s. Eur. 



432. ASTER. 



[Arrangement from De Candolle.] 



A. All the Fhi/llarles herbaceous, nearly 

 equal. 



1. alpiuus. Stem 1 -flowered. L. very 

 entire. Root-L. spatulato-obloug. Stem-L. 

 lanceolate. Phyll. lax, oblong. Seeds hirsute. 

 p. 7-9. Mountain pastures. Alps. Pyr. 



j8. brachyglossus. Lower L. linear ; even 

 the root-L. are hardly spatulate. Rays 

 not exceeding disc. Snowy. Mont 

 riuve in the VaUais. 



2. pyrenseus. Somewhat corymbose. 

 Branches 1 -flowered, leafy. L. semiamplexi- 

 caul, lanceolate, acuminate, remotely sen-ate at 

 top, hispid on both sides. Phyll. lax, lineari- 

 lanceolate, finely acute, p. 7-9. Mountauis. 

 Esquierri in Pyr. 



S. Phyllaries ciliate, squarrose : outer herb- 

 aceous ; inner membranous and coloured, 

 at least at the tofi. Mowers somewhat co- 

 rymbose. 



3. Amellus, Stem few-flowered. L. ob- 

 longo-lanceolate, acute, somewhat serrate, 

 somewhat 3 -nerved, pubescenti-scabrous. PhyU. 

 in 4 or 5 rows, short and obtuse, spreading. 

 p. 8-10. Open hills, s. and m. Eur. 



)3. Pseudo-amellus. Covered with spread- 

 ing hairs. Lower L. obovate, attenuate. 

 Phyll. obtuse, ciliate. 



C. All Phyllaries membranous on margin, 

 especially towards the base. 



i. Root-L. attenuate. Stem-L. somewhat ex- 

 panded at the base and seiniampJe.ricaul. 



4. bruiualis. Stem racemose. Branches 



usually 1-flowered. L. lanceolate, acuminate, 

 amplexicaul, rough on margin : lower serrate 

 in the middle. Phyll. lax, nearly equal : lower 

 spreading from base. p. 10, 11. JSscapes on 

 banks of streams in a sandy soil. Ger. 



5. ]^ovi-Selgii. Corymb decompoimd. 

 Branches rigid. L. lanceolate, somewhat am- 

 plexicaul, acute, rough on the margin. Lower 

 L. serrate iu the middle. Phyll. lax, nearly 

 equal : lower spreading fi-om base ; innennost 

 acuminate, p. 9, 10. Escapes on banks of 

 streams in a sandy soil. Fr. G. 



6. salignus. Stem panicled. Branches 

 rod-like, corymbose at top. L. lanceolate, at- 

 tenuate, serrate in the middle, rough on margin : 

 upper semiamplexicaul ; those of the branches 

 few, linear, erect. Phyll. closely tiled, spread- 

 ing only at the tips. p. Banks of rivers. 

 Strasb. Als. G. 



ii. Stem-L. oblongo-lanceolate, linear or su- 

 bulate : those on the branches very small. 



7. leucantlieinus. " Stem panicled. 

 Branches racemose. Stem-L. sessile, long 

 lineari-lauceolate, acuminate, rough towards 

 the mai'gin, entire, or with 1-3 small, remote 

 serratm-es in the middle. L. of Fl.-stalks 

 linear, spreading. PhyU. adpressed, but some- 

 what spreading at the tip. p. 8, 9. Na- 

 turalized on the Spree near BerUn." — Koch. 



8. parviflorus. " Stem panicled. Second- 

 ary branches racemose. Stem-L. sessile, lan- 

 ceolate, acimiinate, remotely serrulate, rough 

 towards the margin. PhyU. adpressed, but 

 spreading at the tip. p. 8, 9. Occasionally 

 naturalized on the Rhine, Maine, and Elbe." 

 — Koch. De Candolle describes the inflores- 

 ence of these two American species in the 

 same terms. He says the stem of the first is 

 marked with lines of hairs, and describes that 

 of the latter as pubescent. 



2>. Phyllaries in two rows, obtuse, striate: 

 inner membranous. 



9. Tripolium. Stems smooth. L. some- 

 what fleshy, Uueaii-lanceolate or lanceolate. 

 Root-L. broader, 3-nerved, obtuse, attenuate. 

 Branches corymbose. AU PhyU. obtuse ; in- 

 ner large, smooth, p. 8, 9. Salt marshes. 

 The rays are frequently wanting. 



433. GAXATELLA. 



A. L. with dots. 

 1 . punctata. Rough. Stem erect, terete, 

 somewhat corymbose. L.Hnear, acute, or Uneari- 

 lanceolate ; 3-nerved ; iipper 1-nerved. L. of 



