50 FLOll. TlLLlfll. 



and unmixed. The Erig. camphoratum is a: 

 Leptogynn. 



179. Fragmosa R (Conyza gr.) Diff. 174. 

 Rad. simpl. series 20-30. Sem. glabris. Pappus 

 duplex, ambi subeq. aristis brevis 10-12, vel. 

 simplex duplice series definita. fl. unicus s. 

 paucis term, albls — Types Erigeron alpinum, 

 uniflorum, puniihim^ asperum. nudicaulc, gla- 

 bellum? &.C. 



180. MusTERON R (Conyza gr.) Diff. 174. 

 Per, vere hemisph. equalis, sepalis dupl. series, 

 Rad. longis unica series lin. bident. Phorantho 

 convexo punct. Stigm. ciavat. integ. Sem. gla- 

 bra, compr. marg. 2alato. Pappus simplex aris- 

 tis unica series 25-40 scabris. fl, paiccis term, 

 ceruleis — Type Mustero7i bellidifoUum Raf. 

 Erig. do auct. v. v. nearer Asters, habit of Dai- 

 sies and 170. Several blended Sp. M. pidche- 

 lum, unifl.oj'um, glahrmn Raf. see Flora. 



181. Caenotus Nut. c5'C. diff. 174. Per. tere- 

 te obi. s. ovato, radiis brevissimis minutis vix 

 exsertis, flosculis sepe 4fidis, stigma clavato 

 integ, Sem. obi. compr. biangul. levis. Pappus 

 simplex, aristis paucis 10-15. fl. sepe panicu- 

 latis ffavuUs—Tyi[^es Erig. canadense., pusil- 

 lum &c. lo'}i^'ffolium auct. with my N. Sp. C. 

 altisslmtis, 'maritimus, unijlorus, diffusus ^c. 

 see my Flora. 



182. DiPLEMiTTM R (double half) diff. 174. 

 Phorantho convexo. Rad. dupl. series multiplex 

 100-200 apice 2-3dent. Pappus radii simplex, 

 pappus disci duplex. Jl. corymbosis albidis — 

 Types E. Erig. carolinimmm L. and qiterci- 

 foUum Lam. — 2d Sub-G. Leptilium, diff. pap- 

 pus radii brevis squamatus, pappus disci ext. ut 

 radiis. fl. panic — Types 3 Erig. nervosum P. 

 not W. 4. Erig. strigosiun E. not W- Diplem. 



