VER 541 



25. * DiSTEFHANUs. = Conjza populifolia. Lam. — Distephanus. 

 H. Cass. Bull. sept. 1817. p. i5i. Dict. v. i3. p. 36i. 



26. "■ Heterocoma. = Serratulœ sp. Decand. in Pers. (1807) 

 ■ — Heterocomœ sp. Decand, (1810) — Heterocoma. H. Cass, 

 (1821) Dict. V. 21. p. 114. = Hic admitto solam Heteroco- 

 mam bifrontem, cujus non congener Heterocoma albida 

 CandoUii. 



27. * Lepidaploa. = Confzœ sp. Lin. — Lam. — Vernonice 

 sp. Pers. — Kunth — Lepidaploa. H. Cass. Bull. avr. 1817. 

 p. 66 (malè). Dict. v. 26 (1825). p. 16 (benè). = Periclinii 

 squamœ interiores versus apicem angustatse, subulatae, mi- 

 nime coloratœ ; caetera Vernonias. Hue referendœ Vern, ar- 

 borescens, scorpioides, et aliae consimiles. 



28. * Vernonia. = Serratulœ sp. Lin. — • Vernonice sp. Willd. 

 ■ — Kunth — Vernonia. H. Cass. Bull. avr. 1817. p. 66 (malé). 

 Dict. V, 26 (1823). p. 19 (benè). = Periclinii squamœ inte- 

 riores apice latœ, rotundatœ, coloratœ. Hic sistendas Vern. 

 noveboracensis , prœalta, et aliae Consimiles. 



29. * AscARiciDA. = Rhaponticoidis sp. Vaill. (1718) — Co- 

 nj'zœ sp. Vaill. (1719) — Lin. (1765) — Baccharoides. Lin. 

 (1747) — Mœnch (1794) — Vernonice sp. Willd. (1800) — 

 Ascaricida. H. Cass. Dict. v. 3. suppl. (1816) p. 38. Bull, févr, 

 ^817. p. 3i. Bull, avr, 1817. p, 66. Dict, v, 26 (1823). p, 19 

 (be'iè). = Huc referenda Vern. anthclmintica Willd., quse 

 à Vernoniis veris recedit squamis periclinii appendice auctis 

 foliaceà , subspathulatà , et squamellulis pappi interioris (sub 

 lente vitreâ) complanatis, nec filiformibus, 



(B) Aigrette point double. 



30. * AcHVROcoMA. = Acliyrocoma. H. Cass. (1823) Dict. 

 V, 26. p, 21. = Pappus squamellulis numerosis , multiplici 

 série, valdè inaequalibus, submembranaceis , linearibus, uni- 

 nerviis, serrulatis. 



3i. * Centrapalus. = Centrapalus. H. Cass, Bull. janv. 1817, 

 p, 10. Dict, V. 7 (1817). p. 382. = Habitus Ascaricidae ; sed 

 diversus pappo vix duplici , squamellulis omnibus filiformi- 

 bus, et periclinii squamis apice in aristulam subspinescentem 

 desinentibus. An meliùs inter Vernoniam et Ascaricidasi 

 collocandus ? 



