26 THE AMERICAN BOTANIST. 



Order 35. Thymeleales. — Thymeleacefe, Elea<^- 



nacejE. 

 Order 36. Myrtales. — L^'thrace^e, Melastoma- 



ceae, Onagracefe. 

 Order 37. Umbellales. — Umbellifera,\ Araliacea?, 

 Cornaceai. 

 Series II. S3'mpetala;. Petals united. 

 a. Ovary usualh' superior. 

 Order 38. Erieales. — Ericaceee, Clethraeea% Vac- 



ciniaceas, Diapensiacese. 

 Order 39. Primulales. — PrimulacetE, Plumbagi- 



nacefe. 

 Order 40. Ebenales. — Ebenacete, Styracaee^e. 

 " 41. Gentianales. — Gentiannccic, Oleaeea: , 

 ApocynacejE, Asclepiadiictc'e, Logani- 

 acefE. 

 Order 42. Polemoniales. — Polemoniacefe, Convol- 

 vulace^e, Cuscutacej^e, Hydro]ihylla- 

 ceae, Borraginacea;, Verbenaceas, Lab- 

 iates, Solanaceae, Scrophulariaceas, 

 Lentibulariaceas, Bignoniacea?, Acan- 

 thaceae. 

 Order 43. Plantaginales. — PlantaginacejE. 

 a a. Ovary inferior. 



Order 44. Rubiales. — Rubiacea?, Caprifoliace^e. 

 " 45. Valerinales. — Valerinacea?, Dipsaca- 

 ces£. 

 Order 46. Campanulales. — Campanulaceae, Cu- 

 curbitacecC, Cichoriacece, Compo- 

 sitae. 



THE ROCK ASTER. 



BY W. H. BLANCHARD. 



UNDER the title of Aster Wm//7cws,Lam., var. Saxatihs, 

 this interesting, early aster was described and named 

 by Mr. M. L. Fernald on page 188 of Rhodora for 1899. 

 He says of it, "Stem slender, one and one-half to six dm. 

 high, leaves mostly ascending, the rather stiff very ascend- 



