NATURAL SCIENCES OF PHILADELPHIA. 



459 



pubescent ; leaves obtuse or subacute, the margins entire or unequally crenate; 

 leaves 3 5 inches long; petioles 1 inch long and broadly winged. 



Actinella lanuginosa, s. nov. Planta densissima villosa, caule simplo 

 aphyllo ; foliis radicalibus numerosis, obovatis, seu lato-spathulatis, obtusis 

 vel subacutu, basi cuneatis, sessilibus., aut breviter petiolatis, rari.-sitne 3-loba- 

 tis, involucri squamis lanceolatis, acutis, biserialis, pappi squaniellis ovatis, 

 longe aristulatis. 



Prairies. Burnet County. April. Common. 



4 6 inches high. Leaves about an inch in length and 4 8 lines broad ; 

 stem one-flowered. 



Heterotbeca latifolia, s. nov. Scabro-villoso ; caule erecto, ramoso ; 

 foliis caulinis oblongo-cordatis, amplexicaulisve sessilibus, mucronatis, tnargine 

 integris seu puree et grande dentatis; foliis radicalibus breviter petiolatis, 

 ovatis ; involucri squamis scariosis, linearibus, acutis. 



Llano County. June. 



1^ 2 feet high ; branches erect, and leaves numerous, mostly clasping and 

 entire ; flowering branches little elongated and leafy, or nearly naked ; ex- 

 panded flowers an inch in diameter; rays many and bright yellow, twice the 

 length of the involucre; leaves 2 4 inches long and 1 2 wide, terminating 

 abruptly. 



Gaillardia 1 o b a t a, s. nov. Caule ramoso, glanduloso-pubescente, foliis 

 lyrato-5 7-lobatis, segmentis ovatis vel lanceolatis, obtusis, vel acutis ; foliis 

 caulinis sessilibus, aut breviter petiolatis; radicalibus petiolatis; involucri 

 squamis discum superantibus, utrinque scabroso-pilosis, lanceolatis acumi- 

 natis ; corolla? hermaphroditae dentibus magnis 3-nervis, subacutis, fimbrillis 

 receptaculi crebris, acicularibus basi dilitatis ; pappo radii conformi. 



Southern Texas. May. 



Stems 8 12 inches high, branching from the root; rays numerous and 

 crowded, flowers 1J inches in diameter, dark red; corolla of the disk with 

 broad fringed subulate teeth ; subulate fimbrillae longer than the achenia ; 

 leaves 1 2 inches long, the lobe at the extremity twice the length of the la- 

 teral segments ; floral stems naked above, petioles of radical leaves about \ an 

 inch long. 



Gaillardia scabrosa, s. nov. Ramisque foliis valde scabroso-pubescen- 

 tibus ; foliis longe lanceolatis, sessilibus, aut breviter petiolatis, acuminatis 

 integris ; involucri squamis discum excedentibus, lineari-lanceolatis, subu- 

 latis margine ciliatis, corolla? hermaphroditae, dentibus lanceolatis, acutis ; 

 fimbrillis receptaculi plurimis acicularibus, basi dilatatis, pappo radii conformi. 



Western Texas. June. 



Stems 12 18 inches long, and leafy to the summit terminated by flowers ; 

 leaves 1 1J inches long, and 3 6 lines wide ; corolla of the disk with glan- 

 dular pubescent teeth ; rays deeply 3-cleft, yellow with purple veins. 



Phileozera. Gen. nov. 



Capitulum multiflorum radiatum, heterogamum, involucri squamis biserialis, 

 imbricatis ; squamis ovatis, acutis disco brevioribus ; receptaculum parvum, 

 nudum couicum ; styli rami breve pubescente ; pappo duplo, ima setacea, 

 supra paleacea ; paliis 5 ovatis, aristatis ; acheniis sericeis, obovatis ; ligulis 

 uniserialis. 



Phileozera multiflor a. Annua, herbacea, ramosissima ; foliis lineari- 

 bus, 3 6 laciniatis ; segmentis lineari-elongatis ; floribus plurimis, parvis, 

 luteis capitatis. 



Prairies north of Fort Belknap. May. 



Plant 4 6 inches high, with numerous erect flowering branches, which are 



1861.] 



