234 UNITED STATES AND MEXICAN BOUNDARY. 



Hook. Sp. Fil, 2, «. 87 



Near the Rio Grrande and the Gila. 



THES Alabamensis. Kimze 



{2d ser.) 6, p. 87 ; Hook 



Rocky and shady ravines, at the mouth of the Pecos ; Bigeloto. On the lower Eio Grande, Schott. 



Cheilanthes T0MENT08A, Link, I. c J). &5 ] Hook. I. c. p. 96, t. 109, A. 

 westward along the Gila to the Colorado. 



From 



Cheilanthes lanosa. C. vestita, Hook. I. c. p. 98, t. 108, B. Nephrodiumlanosum, Michx, Fl. 

 £or.-Am. 2, p. 270? Myriopteris gracilis, Fee, I. c. p. 150, t. 29,/. 6. Along the Eio Grande; 

 Wright. The name of C vestita unquestionably "belongs to the fern described and figured by 

 Professor Gray under that name in the Manual, (2d ed.) p. 592, t. 10. 



Cheilanthes Lindheimert, Hook, I. c. p. 101, t. 107, A. At the Copper Mines and in Wild- 



rose Pass ; Bigelow^ SchotL - . . ,. 



Cheilanthes Fendleei, Hooh 



T, jB. Near the Copper Mines, New Me 



Bigelow. Sonora ; Parry, Some of the specimens are fully a foot high, and have the pinnas 



more remote than usually. 



Cheilanthes asperAj Hook. I. c. p. Ill, f. 108, A. 



Schott. Near the 



Copper Mines and along the San Pedro ; Bigeloiv. The characters of a new species of this 

 interesting genus are subjoined. 



Cheilanthes geacillima (sp. nov.) : fronde lineari-oblonga bipinnata; pinnis pinnulisq^ue con- 

 fertis; pinnulis sessilibus ovatis obtusis superne pauciter albo-pilosis subtus toraento denso fulvo 

 obtectis, margine reflexo involucrem continuum efficient!, — Stipites ebenei plures ecaudice 

 paleaceo subrepente erecti. Rachides primarii secundariique cum stipite juniore paleis gracilibus 

 instructi. Cascade mountains of Oregon at 7,000 feet of altitude, latitude 44^, collected by Dr. 

 Newberry in Williamson's Expedition, and by Dr. Bigelow in Whipple's Expedition. A very 

 delicate little fern of the Lendigera group. Stipes 2-3 inches long; frond half as long, and 3-5 

 lines wide ; pinna? 7-10 pairs ; pinnules 2-3 pairs. 



Hypolepis Californica, Hoolc. I. c. p. 71, t. 88, A. Collected between San Diego and the 



Colorado ; Schott. 



NoTHOCHLiBNA RUFA, var. ^. FresI, Reliq. HcBnke^ 1, p. 19; Martens d Galeotti^ I. c. p. 45; Leib- 

 mann^ L c. p. 62. Cheilanthes ferruginea, Willd. Herb.] Link. L c. p. 65. Along the San Pedro 

 and Rio Grande, and on the Organ mountains of New Mexico. 



NoTHOCHLiENA siNUATA, Kaulf. L c. p, 135 ; Kunze inSchk. FiL Snpp. 1, p. 95, t. 65. Acrosti- 

 chum, SivarlZj Syn. p. 14. Western Texas from San Antonio to the Eio Grande, and along 

 that river northward to New Mexico/ (7. Wright y No. 814, (1849.) A variety of this species 

 having smaller and crenated, not pinnatifid pinnae with whiter ciliated scales beneath, and a 

 denser stellate pubescence above, looking through a lens like newly fallen snow, was collected 

 in rocky places near the San Pedro and the Gila. 



NoTHocHLyENA PULVERACEA, Kuuzc in Linuccay 13, jp. 135, <& 18,^. 338; Liehmann^ Mex. Bregn. p. 

 63. Lower Rio Grande ; Schott. Rocky places on the Pecos and San Pedro ; Bigeloiv. No. 

 820 and 2124, Wright. Kunze and Liebmann consider this distinct from Cheilanthes pulveracea, 

 Brest, Bel Hcenk. 1, p. 64 ; Hook. Sp. Fil. 2, p. 78. 



Nothochl^n^ cretacea, Liebmann L c. p. 64? At Painted Camp and at the entrance to 

 Wild-rose Pass; Bigelow, Schott. C. Wright, No. 821, (1849.) Our plant agrees well with 

 the description cited, but has not been compared with authentic specimens. It grows in tufts 

 about 6-8 inches high, and has much the appearance of Gymnogramme triangularis, Kaulf.; 





