GENERA. Ixvii 



409. HIERACIUM. Cal. tiled. Recept. alveolate ; the edges of the pits divided, but 

 shorter than the pentagonal seeds, which arc not contracted at the top. p. 180. 



410. MULGEDIUM. Cal. double ; the outer somewhat tiled. Seeds compressed. Beak 

 short, expanding at the top. Recept. slightly pitted, p. 188. 



Tribe XI. SONCHEM 



411. ZOLLIKOFERIA. Cal. tiled. Margin of Phyll. skinny. Seeds 4-edged, finely 

 striate, with 4 descending horns ! p. 188. 



413. SOTfCHUS. Cal. tiled, compressed. Seeds prismatic, abrupt, with 4 or 5 rounded 

 ribs, without tubercles. Bitter, milky plants, with hollow stems, p. 188. 



413. PIOE.IDIUM. Cal. tUed. Margin of PhyU. whitish. Seeds prismatic, abrupt, 

 tubercled. p. 189. 



414. PREJyTAlSrTHES. Cal. cylindrical, of 4-6 pbyUaries, calycled. Pits. 3-5. Seeds 

 truncate, attenuate at base. Crest rigid, nearly sessile. Smooth, milky plants. Fl. in panicles. 

 p. 189. 



Tribe XII. CREPIBEJE. 



415. PTEEOTHECA. Cal. of 2 pretty regular series of phyUaries, and a few small scales 

 at the base. Recept. furnished with long hairs ! Outer Seeds oblong, corky, wrapped in. the 

 phyUaries, convex externally, marked internally with 3-5 wing-like ribs ; inner cylindrical, beaked, 

 p. 189. 



416. ZACYTfTHA. Cal. of 8 phyUaries, with accessory scales. PhyU. thickened and 

 concave after flowering, enclosing the outer seeds. Seeds compressed, nearly wedge-shaped, with 

 a very short beak. Crest caducous, p. 189. 



417. ENDOPTERA. Cal. double. Outer PhyU. very short ; inner convolute, involving 

 the outer. Seeds torulose, connivent after flowering. Recept. somewhat fimbrUlose. Outer 

 Seeds with an internal ■RTiig! inner with a long beak and no wing. p. 189. 



418. w^THEORHIZA. Cal. calycled. Outer PhyU. smaU, adpressed. Recept. without 

 long hairs. Seeds obtusely 4-edged, with a short beak. p. 189. 



419. CREPIS. Cal. calycled. Outer PhyU. lax. Recept. somewhat hispid. Seed attenuate 

 at top. Crest compound. Branched plants. L. pinnatifid, sinuate, or toothed. Fl. yellow 

 {except in C. incamata). p. 189. 



420. BARKHAUSIA. Cal. calycled or somewhat tiled. Recept. alveolate. Margins of 

 Pits laciniate. Seeds terete ; those of the centre at least produced into a beak as long as the 

 seed. Habit of Crepis. FL yellow, except in B. purpm-ea and'B. rubra, p. 191. 



Tribe XIII. CEONDRILLEM: 



421. PBLiEKOPUS. Cal. cylindrical, somewhat tiled. Pits, about 5. Seed terete, beaked. 

 p. 192. 



422. LACTUCA. Cal. cyUndiical, calycled in 2-4 series. Pits, numerous. Seeds com- 

 pressed, smooth, ending abruptly in a filiform stalk to the crest. Plant rather bitter. Stem 

 nearly solid. Fl. numerous, p. 192. 



423. TARAXACUM. Cal. double. PhyU. caUous at the tip. Seeds oblong, striate, 

 spinulose at the top. Crest on a fiUform stalk. Stemless, milky 'plants. Fl. large, p. 193. 



424. WILLEMETIA. Cal. simple, vrith accessory scales. Seeds 5 -edged; the ribs pro- 

 duced at top into tooth-like tubercles. Beak longer than the seed. p. 194. 



425. CHOTfDRILLA. Cal. cylindrical, in 2 rows, and calycled with short, adpressed 

 scales. Seed squamuloso-muricate ; the upper squamule having the appeai-ance of a calyx, 

 p. 194. 



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