inermes, humlles, iomentosae capilulls inconspicuis, soli- 

 lariis, caulem nonnisi basi foIiaUim iermlnautibus, follis 

 membranaceis, exstipulalis. 



26. CHAPTALIA. 



(Vent. Jard. d. Cels. 1. 61. Cand. d. 1. Annalcs du 

 Mus. p. 66. Cass. Dict d. sc. uat. VIII. p. 161. Tii.ssila- 

 g'uüs sp. L. W. Pers. Pcrdicii sp. \V. ) 



Capltulum inaequaliflorum, radiatum, florlbns cT in 

 ccniro, 2 2-serialibus in and)itu. Aehaenlum roslialum, 

 rostro valido, glabrum, oo-costatum. Pappus 2-serialis, 

 Jongus, aequalis. CoroUa maiiuni 2.1abiata, lablis fasLi- 

 giatis, exteriori apice profunde 3-dentalo^ interiori 2-par- 

 lito, segmentis omnibus apice gibbis, pappunri aequans, 

 florum 9 lingulata, lingulis seriei exl. involucrum slylnm- 

 quc excedenlibus, seriei int. uiroque brevioribus. Anlbe- 

 rae alis oblusis, fdamentis pubesccnlibus; in floribus 2 nc 

 vesllgia quidem. Slylus basin versus atlenuatus^ ovario 

 marlum inani, llneari. Involucrum flores d^ aequans fo- 

 llolls lincaribus, acuminatis, 1-nerviis, extus albo - to- 

 mentosis. 



1. Ch. tomentosa (Vent. 1. c. Tussilago integvifo- 

 lia Mx. W. sp. pl. in, p. 1964. Pcrdicium scmifloscu- 

 lare Walt, carol. 204.). 



Leriae nutantls forniae inIcgrifoUac siniillima. Ra- 

 dix iibrosa, 2|i. Folia penninervia, alterna, avenia, rigida, 

 sessilia, spatbulalo-oblongo obovala, nmcronulato-denti- 

 culala, oblusa, supra glabra aut lonienlo fugaci magis mi- 

 nusve obsita, infra tomento denso, albo, adpresso, persi- 

 slenti veslita, 1 — 24" longa, 7 — 9" lata, in rosulam 

 2 — 3 serialem conferta. Gaules slmpllclssiml, nonnisi 

 basi iraa foliali, unus pluresvc e radicc, nulantcs, in spe- 

 cimine, quod vidi, 7-pollIcarcs folllsquc Iripio longiores. 

 Capltulum in siccis 5'" longum. Flores albl, purpura 



