110 



UNITED STATES AND MEXICAN BOUNDARY. 



LENTIBULACE^. 



Uteicularia 



San Pedro river, also in Elm creek, and near 



the head waters of the Nueces^ western Texas^ October ; Bigeloiu. 



BIGNONIACEiE. 



DO 



Hills 



May to July. (No. 1446, Wright 



Chilopsis linearis, DG. I c. p. 227- C. glutinosa, Engelm. in Wilz. North. Mex., p. 94. 

 Hills and ravines along the Rio Grande, Santa Cruz river, etc., Sonora ; Schott and Capt. E. K. 

 Smith. San Felipe, California; Parry (No. 1447, Wright). A shrub usually 4-6 feet high. 



Smith 



Suborder SESAMES. 



Martynia violacea, Engelm. in Wisliz, I. c. p. 101. Low places and plains, near the Limpio, 

 etc.; July ; Bigeloio. Near Laredo; Schott. Corallitas, etc., Chihuahua; Thurher^ Parry. 



Martynia arenaeia, Engelm. I. c. p. 100. Sandy places, from El Paso and near the Limpio 

 {Bigeloio) to the Presidio del Norte ; July; Parry. Sonora; September; Thiirher, ^^ Plant 

 viscid ; corolla reddish-yellow externally, yellow inside ; the throat mottled and veined with 

 brown." Thiirher. 



OEOBANOHACE^. 



Aphyllon uniflorum, Torr. & Gr. in Gray's Man. Bot. ed. 2, p. 281. Orobanche uniflora, 

 Linn. California; Rev. A. Fitch. 



Aphyllon fasciculatum, Torr. & Gr. I. c. Orobanche fasciculata. 



Gr. I, c. Orobanche fasciculata, Nutt. Gen. 2,^, 59 ; Hooh. 

 Fl. Bor.'Am, 2,^. 93, t. 170. Tributaries of the Eio Yaqui, Sonora; June; Thurher. Moun- 

 tains east of San Diego ; June ; Parry. Our numerous specimens show that the divisions of the 

 calyx are variable in length and shape, so that the species is chiefly distinguished by its scaly 

 stem and shorter peduncles. 



PiiELiPiEA LuDOViciANA, Walp.; Peicter in BO. Prodr. lly p. 11. Orobanche Ludoviciana, 

 27uit. On the beach at Brazos Santiago, Texas ; May ; Schott. Pachitiga^ Chihuahua ; August ; 

 Thurher. 



Phelipjea comosa. Anoplanthus comosus, Walp. Piep. 3, p. 480. c& Beut. I. c. Orobanche 



EooTc. FL Bar 



probably 



Shelton. The specimens were parasitic on the roots of a species of Grindelia ; apparently G. 

 arguta. The calyx is deeply 5-parted, with nearly equal lanceolate-subulate segments. Brae- 

 teoles very remote from the flower, alternate on the pedicel, resembling the segments of the 

 calyx. Lobes of the corolla all acute and entire ; those of the upper lip ovate-lanceolate ; of the 



r 



lower linear-lanceolate. * 



SCKOPHULARIACE^ (by A. Gray). 



Maurandia antirrhinielora, Willd. Hort 

 Grande, and west to California. 



Common 





\ 



* 



