* 



TI. 



PLANTJ]: WRIGHTIAN^. 



89 



V. LAXA, BC; Grmj, Tl Wright. p. 108. V. Texana, Torr. §• Graj/, Fl. 2. p, 

 318. In thickets, valley of the Coppermine Creek, New Mexico ; Oct. (1227.) 

 The large and thin-leaved form of the species. It helongs to De Candolle s first 

 section of the genus, tlie receptacle, at first convex, becoming truly conical (as well 

 in Berlandier's as in other specimens), as is also noticed by Schauer, iu Linncca, 19. 

 p. 7"38. The rays are from 5 to 10 in numher. 



V. LAXA, DC, fere var. BREVirES, Gra}/, PL Wright. l c. In a ravine, at Santa 

 Cruz, Sonora; Sept. (1228.) — Leaves eitlier opposite or alternate. 



Flourensia cernua, DC. Prodr. 5, p. 593; Grai/, Pl. Wright. p. 114. Valley of 

 the Pecos, on stony hills; May. Hills between the Mimbrcs and the Rio Grande; 

 Nov. (1229.) 



Helianthus lenticularis, Dougl. in Bot. Reg. t. 1265; Graj/, Pl. Fendl. p. 83. 

 Valley of Coppermine Creek, New Mexico; Aug. and Oct. (1230.) 



H. PETioLARis, Nutt. ; Torr. Sf Grai/, l. c. Valley of Coppcrmine Creek ; Oct. : 

 two forms. (1231.) 



H. PETioLARis, var. CANESCENS, Graj/, Pl. Wright. p. 108. Valley of the Eio 

 Grande, New Mexico; July. (1232.) — The same as No. 335. — There are also 

 specimens of a more silvery-canescent plant, with the lower leaves broadly deltoid- 

 ovate, as long as their petioles; from the Rio Grande, -iO or 50 miles below El 

 Paso, mentioned in Pl. Wright. under No. 335, which I know not what to do with, 

 except to refer them provisionally to the same species. (1232\) 



H. ciLiARis, DC. Prodr. 5. p. 587; Grag, Pl. Wright. p. 108. Prairies of Tur- 

 key Creek, Western Texas; May. (1233.) 



H. GROSSE-SERRATUS, 3fartens, var, y. Gray, Pl. Wright. I. c. Valley of the Mim- 

 bres, New Mexico ; Oct. (Two specimens only.) 



AcTiNOMERis LONGiroLiA (sp. uov.) : caule glaberrimo tereti exalato ; foliis ple- 

 rumque alternis (nunc oppositis nunc ternis) subsessilibus lineari-Ianceolatis elon- 

 gatis denticulatis reticulatis utrinque hispidulo-scabris ; pedunculis corymbosis 

 scabris monocephalis ; involucro biseriali, squamis exterioribus linearibus patulis 

 disco convexo longioribus ligulas subajquantibus, interioribus paleis receptaculi re- 

 ferentibus ; acheniis ovalibus alatis calvis vel paucis uniaristatis. — Mountaius east 

 of Santa Cruz, Sonora; Sept. (1234.) — Stem 2 feet high, from a perennial root, 

 leafy to thc top. Leaves 6 or 7 inches long and 4 to 6 lines w^ide, a few of them 

 opposite or verticilhite iii threes, thickish, rough, especially abovc, acute. Peduncles 

 iu a simple corymb, or sometimes solitary. Plcads in fruit depressed-globose, and 

 8 or 9 lines in diameter. Paleee of the receptacle lanceolate, rather obtuse. Ache- 

 nia almost 3 lines long, smooth, surrounded by a thickish and rather narrow wing, 

 the outer side of which is sometimes more extended at the emarginate summit. 

 Pappus none, or with minute rudiments of the two awns, or occasionally with one 

 short and naked awn. 



r" 



A. Wrigiitii, Grag, Pl. Fendl. p. 85. Margin of mountain torrents, between the 

 copper mines and Conde's Camp, New Mexico ; Aug. (1235.) 



CoREopsis CARDAMiNEFOLiA, ToYr. 8f Grag, Fl. % p. 346. Old bed of the Eio 



Grande, 50 miles below EI Paso; June. (1236.) 



