BOTANY. 



45 



HoLACANTBA Emoryi, Groy^ PI, Thurber. p. 310. (Tab. ATII.) Near Ronoifa^ 8onora, August 

 (with fine fruit) ; Schoit. The description of this remarknlile plant^ by Dr. Gray, is so complete 

 and so accurate that I have nothing to add but a good figure by Sprague. 



VITACE.K. 



Torr. (f Gray. Fl 



Banks of K^condida creek, near Eftgle Pass, 



and at Rock creek, western Texas, July — September (in fruit) ; Bigelow. 



YiTis iNCT^'A, NiUt. inTuir. d: Gray^ L c. On the lower Rio Grande, and in Cocospera valley, 

 Santa Magdalena, Sonora ; Schoit. ^^ It is mixed with cochineal and used by the Mexicans to 

 dye red/' 



ViTis JzziiYAUS, FL 2, p. 230 ; To)r. <f Gray^ J. c. Central Texas ; Wright. On Mount 

 Ben Moore, New Mexico ; Bigelow. 



Vttis Califohxica, Benth. Bot. Sidph^p. 10. San Diego and other parts of California, July; 

 Parry. Sonora; Thurher^ Copt. E. K. Smith. 



Ampelopsis QUiNQUEFOLiA, Michx. Fl. lyp. 159. On the Mimbres and at the Copper Mines, 



New Mexico, June — July ; Bigelow. 



RHAMNACE.E. 



AnoLPHiA INFESTA, Meisu. Gen. p. 70; Gray^ PI. WrigJU, l,p. 34. Monterey and near San 

 Diego, California, March — May ; Parry. Hills near Rock creek, Texas ; July (flowers and 



fruit) ; Bigelow y Parry. 



Ck\xothus Greggii, Grayy PL Wright. 2,/?. 28. Guadaloupe Pass ; April ; Sonora ; Parry; 

 and San Luis mountains in the same State ; Capt. E. K. Smith. 



Ceaxothus ovalis, Torr. dt Gray^ FL 1, J9. 265. Dry ravines, valley of the Pecos, Texas, 

 and San Felipe ; Bigeloio. 



Ceaxothus divaricatus, Nutt. in Torr. & Gray^ L c, var, eglaxdulosus, Torr. in Bot. Whipp. 

 Rep, I. c. p. 75. Mountains eastof San Diego, California, June (fruit) ; Parry. 



Ceaxoihus sorediacus, Hook, d Am. Bot. Beechey^ p. 329 ; Torr. d Gray^ L c. On the 

 conglomerate and sandstone hills above San Diego; Parry. C. Lobbianus, Hook. Bot. Mag. L 

 4811, seems to be hardly distinct from our plant, 



Ceanothus thyrsiflorus, Eschsch. in Mem. Acad. St. Petersh. 1826 ; Torr. d Gray, FL I. c. 

 Common in tlie neighborhood of Monterey and San Diego, as well as in many other parts of Cali- 

 fornia, where it is known by the name of California lilac. 



Ceanothus spinosus, Nutt. I. c. Near Santa Barbara, California ; March ; Parry, Flowers 

 white, with a tinge of blue. Leaves sometimes distinctly toothed at the apex. The branches 

 are not thorny in our specimens. 



Ckaxothus ccxeatus, Nutt. I. c. C. macrocarpus, Nutt. I. c. Near San Luis Obispo and Santa 

 Barbara, California, April ; Parry. There can be no doubt of the propriety of uniting the 

 two species here quoted. We have specimens collected from numerous localities, which show a 

 transition from the one to the other. 



Cea^^othus bigidus, Nutt. I, c; Benth. PL Hartio. p. 302 ; Lindl. d Paxt. Fl. Gard. 1, p. 74, 

 i. 51. (Table IX.) On dry hills, Monterey, California, April; Parry. An evergreen shrub 

 about 5 feet high, witli rigid branches. The leaves vary greatly in form, being sometimes 

 broadly obovate and often deeply emarginate. 



r 



