SYNGENESIA ^QUALIS 



309 



CHRYSOCOMA. Gen. Pl. 1019. 



turn. 



Involucrum imbrica- 



Stylus vix flos- 

 culis longior. Recep- 

 taculum nudum. Semi- 



P. 



na pubescentia. 

 pus pilosus, scaber. 



ap 



Involucrum imbri- 

 cate. Style scarcely 

 longer than the florets. 

 Receptacle naked. 



Seeds pubescent. Pap^ 

 pus hairy, scabrous. 



1. NUDATA. 



C. foliis radicalibus 



Leaves of the root 



spathulato-lanceolatis, spathulate, lanceolate 

 cauhnis linearibus, ra- of the stem linear, scat 

 riter sparsis; corymbo tered; corymb com 

 composito, fastigiato; j pound, fastigiate; ca 

 calycibus oblongis, 3 

 4 floris. 



? 



\yy>. oblong, 3 



ered. 



4 flow 



Mich. 2. p. 101. Pursh, 2. p. 517. Nutt. 2. 137. 



^oot perennial. Stem erect, about two feet high, glabrous, branching 

 Oear the summit. Koot leaver obovate, lanceolate, narrow, acute, glabrous, 

 entire, three-nerved, with a long attenuated base. Stem leaves scattered, 

 the lower ones similar to the root leaves, but small, the upper ones linear, 

 minute. Flowers in a terminal corymb. Lwolucrum oblong, eight to ten- 

 leaved, containing three to four flowers, leaflets linear, rugose, appressed, 

 glabrous, yellowish, 

 reflected. 



« 



Corolla tubular, glabrous, yellow, segments acute, 



Style scarcely as long as the stamens, two-cleft. Stigmas some- 

 what lanceolate, glandular, erect. Seed obovate, striate, hairy. Pappus 

 hairyj scabrous, unequal. Receptacle flat, with a small membrane between 

 the germs. 



Grows in flat pine barrens. Very common. 

 Flowers October — November. 



CACALIA. Gen. Pl. 1275. 



Trwolucrum cylm^vi" I Involucrum cyllndrl 

 <^nij basi squamosum, cal, scaly at base. Re 

 Receptaculum nudum, ceptacle naked. Pap' 



Pappus pilosus. 



pus hairy. 



