absque 



SYNGENESIA SUPERFLUA. 



antheris. I R\e filament 



333 



Pappus simplex. Re- anthers. 



ceptaculum nudum. 



s without 

 Pappus sim 



pie. Receptacle naked. 



1. NUDICAULIS. 



Mich. 



A. hirsuta; foliis ra- 



decussatim 



dicahbus 

 oppositis lato 



Hirsute; leaves 



of 



tis 

 tis 



9 



denticula 



the root opposite, de 

 cussate, broad, lanceo 

 late^ nerved, toothed 



caule sub aphyllo, stem almost leafless 

 summitate in peduncu- near the summit, divi- 



l-floros diviso 



ded into a few 1-flow 

 ered branches. 



Pursh, 2. p. 527. Nutt. 2. p. l64. 

 Doronicum Nudicaule. Mich. 2. p. 121. 



acaule. Walt. n. 204 ? 



Root perennial. Stem two to three feet high, simple, hirsute, somewhat 

 viscid. Leaves of the root large, sessile, expanding, soniewliat viscid : 

 strongly nerved ; of the stem one or two pair small, opposite, ovate, sessile 

 the smaller ones alternate, one at the base of each peduncle. I„vo^ 

 lucrum With the leaves arranged in a single series, hirsute, lanceolate. 

 tlorets of the ray twelve to fifteen; of the disk numerous, all yellow. Jn- 



^^''j ? i°"^ ^* *^^ ^"'■^^^ ^^ *^^ ^'^^- ^^^^^ ^ '^"^^ '«"g^''> two-cleft, 

 -ieerf slightly obovate, naked, finely striate. Pappus simple, hairy, similar 



on all of the seeds. •^' 



In this species I have not seen any trace of filaments in the florets of the 

 ray. 



Grows in damp pine barrens. 

 Flowers April— May. 



CHRYSOPSIS. Nutt. Gen. 2. p. 150 



Involucrum imbrica- 



tum 



Involucrum imbricate 

 Antherce basi \ Anthers naked at base 



nudae. Pappus duplex, I Pappus double, the 



exterior paleaceus 



vus 



> 



nterior 



scaber. Sem 



vata, villosa. 



culum nudum. 



P' 



tenor chaffy, small, m 

 terior hairy, scabrous 

 obo- I Seed obovate, villous 



Recepta- Rpceptacle naked 



