STXGENESlA. ^qUALlS. 127 



the plant which Michaux properly compared with Leon- 

 todon Taraxacum in miniature. Leaves divided down to . 

 the mid-rib, runcinate (or with the seg'ments retrorsc and 

 acute.) Calix 8 to 12-parted, simple) Pappus also as in 

 the preceding. May not this be Hyoseris caroUniana? of 

 Walter. 



3. * dichotoma. Somewhat glaucous; dichotom.ously 

 caulescent; leaves spathulate-linear, nearly entire, smooth, 

 or subciliate; scapes numerous, l-flowered, very long. 

 Hyoseris? ramosisdina. VV. P. C Barton. Flor. Philad. Pro- 

 dromus. p. 73. Hab. "In the sandy fields of New Jersey 

 near to Philadelphia, also in Maryland, on tlie road from 

 York to Baltimore."— Doctor W. P. C Barton, r. .?. Obs. 

 Stem difliisely caulescent, very short; scapes or peduncles 

 6 to 12 inches long, sparsely pilose. Setje and palea: of the 

 pappus mostly in 5's; seed inversely conic, brown, and 

 striate; primary striae 5, converging, intermediate striae 10, 

 interposed by pairs (rarely by 3's) shorter than the pri- 

 mary, and coalescing at their base. 



4. montana. Hyoseris montana. Mich. Flor. Am. 



5. JJandelion. Glaucous and smooth; leaves linear-lan- 

 ceolate, acuminate, incisely rarely and remotely toothed; 

 root bulbous, pendulous; scape 1-flowered- Hab. In Vir- 

 ginia. Flower equal in siz.e with that of K. amplexi- 

 cmdis, the pappus double, and almost equally numerous. 

 Troximon Dandelion^ Persoon. 2. p. 360. Hioseris angusd- 



foliay -Mich. 2. p. 87. 



6. amplexicauUs. Jfyosens amplexi caidis. Mich. //. Pre- 

 nanthoides, Willd. Glaucous; leaves oblong-ovate, radical 

 ones subdentate, spathidate; scape subbifohate, simple or 

 bifid, branches 2 or 3 flowered; flowers long pedunculate, 

 fastigiate; pilose pappus numerous. Hab. Common 

 xiiroughout the eastern and western states. Flowers 

 orange-yellow, as in the other species. Calix simple, 

 about 12-parted, sometimes glandulously pilose at the base. 

 Chaffy pappus external, 8-parted; pilose about 24 sca- 

 brous and deciduous setse. Unquestionably a congener 

 with the above. 



Hitherto a North American genus and nearly allied to 

 Hyoseris. 



534. TROXIMON. Gcertner. 



Calix oblong, conic, many-leaved, leaflets un- 

 equal, imbricated. Receptacle naked, puncticu- 

 late. Fappus sessile, pilose. 



Allied to TragopQ^on, Scapes 1-flowered, leaves nar- 



