% 



#, 



T. 



PLANT^ "ft-RIGHTIANJE. 



J)3 



274. Aphanostephus 



nC! Prodr. 5. n 



A. Riddellii, Torr. 



§• Graj/, i^/. 2. ^. 189. Egletes ramosissima, Grai/, Pl Fendl p. 71, §* P/. IJndh. 

 2. ^. 220. Prairies near Austin, Texas ; INIay. The form with strict and sub- 

 simple upright stems. It flowers during the whole summer, and oftcn hccomes very 



season. It is a pretty plant in cultivation. 



1 



much branched and diffuse later in the 



The copious heads droop before anthesis, and are usually tinged 



underneath, The ripe achenia are prismatic, as in A. Arkansanus, but not strongly 



ribbed and sulcate. 



pink 



> 



275. A 



The base of the corolla is at length frequcntly induratcd 

 lus ; a diffusely branched, more softly pubescent varicty 



smaller heads. Prairies along the Kio Grande, Texas ; July. 



276. A. HUMiLis. Leucopsidium humile, Benfh. Pl. Hartw. p. 18. Eglctcs hu- 

 miKs, Gray.^ Pl. Fendl. p. 71. Valley of the Rio Grande, 60 or 70 miles bclow El 



a dwarf varietv of A. Arkansanus : but 



Paso; Sept 



Rays purpl 



Perhap 



the pappus is entire and equably 



t A. Arkan 



Leucopsidium Arkansanum, DC! Prodr. 6. p. 43 



K 



lia skirrobasis,DC. / Prodr. 5. p. 310; Hook. Ic. Pl t. 240. Egletcs A 



■ 



Nutt. in Trans. Amer. Phil. Soc 



7. p. 394 



Tor 



Grav, Fl. 2. p 



to 



Eastern Texas ; common. — Having followed Nuttall in referring this 

 Egletes, I subsequently did the sarae with its strict congeners, the preceding species. 

 But the recent examination of Egletes belUdiflora, Domingensis, and viscosa (Platy- 

 stephium, Gardner) leads to a different conclusion. Egletes has comprcssed achenia 

 (becoming somewhat turbinate by the great thickening of the pappus), with only 



mai 



thickened 



and very short raj 



The 



mor 



odor and aspect of the plants, show that they are genuine Anthemidcse 



Th 



achenia of Aphanosteph 

 sides; the rays are elongated 



prismatic c 

 the herbag 



gly striate or ribbed on all 



of 



the 



tyle (well figured in Deless. Ic. Sel. t. 18) is the same as in many othcr BellidecE 



Belhs integrifolia, Michx. FI. 2. p 



Westem frontiers of Tcxas ; coll. of 



There is a congener of this in Gregg^s last collection, made bctween the 



1851 



city of Mexico and Mazatlan 



* 



gra supcratis. 



Wright 



4- 



Western Texas, 



2. K. EFFUSA : perennis .? caule virgato ultrapedali ad apicem usque folioso hirsuto ; foliis utrinque 

 hispidis coriaceo-membranaceis, infimis spathulatis, ca)teris oblongis e basi lata arcte sessilibus, costa sub- 

 tus prominula, ramis floridis in paniculam decompositam effusam diliquescentibus ; pedunculis filiformibus 

 divaricatis minutim bracteolatis ; ligulis 5- 7 oblongis ; fl. disci 7 - 10 fere omnibus sterihbus; appendi- 

 cibus styli lineari-lanceolatis acutis ; acheniis radii plano-compressis obovatis calloso-marginatis parce hir- 

 tellis (ad mar^rines prajsertim) faciebus fere enerviis apice acutatis, disci abortivis gracdibus; pappo rami- 

 mo setuloso-coroniformi. - Gray, Pl. Lindh. 2. p. 222. - Upper Guadalupe, near Camanche Spnng, on 

 shady declivities, Lindheimer. " Camancheries," Texas, Berlandier, No. 1878 (v. m herb. nC). 



Keerlia linearifolia, DC. = Gutierrezia Alamani : vide supra, p. 91. 



K. ramosa, DC. = Aphanostephus sp. A. ramosissimo valde affinis. 



K. skirrobasis, DC. = Aphanostephus Arkansanus (Leucopsidium Arka'nsanum, DC). 



* Bellis Mexicana (sp. nov.) : annua? pills patentibus hirsuta ; caule erecto fohoso ; ramis mono- 



Btipcn 



VOL. III. ART. 5. 



13. 



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