Morris : Revision of Species of Plantago 109 



This sub-species occurs only in parts of the range of P. aristata, 

 frequently with it. Thirty- three sheets or specimens have been 

 examined from Rhode Island, Connecticut, North Carolina, Illi- 

 nois, Iov/a, Missouri, Indian Territory, Oklahoma Territory, Texas, 

 New Mexico, as follows : j in the U. S. National Herbarium, 8 in the 

 Gray Herbarium, 15 in the Herbarium of the Missouri Botanical 

 Garden, 2 in the Columbia University Herbarium, 1 in the Her- 

 barium of the California Academy of Sciences. 



,3. Plantago spinulosa Dene.; DC. Prod. 13: 713. 1852 



P. Patagonica, var. spinulosa Gray, Man. ed. 2. 269. 1856. 



This species is an aggregate. The following description and 



the annotations therefrom are to be considered temporary. 



A light or bright green annual \ with a short, simple or branched 

 stem, varytngly glabrate to villous : leaves alternate, ascending to 

 erect, few to numerous, linear to linear-lanceolate, acuminate and in- 

 volute at the apex, callous-tipped, entire, narrowed to the margined 

 sheathing petiole in which three ribs remain free, 80-1 2 5 mm. by 2-7 

 mm. , j-5 -ribbed, with fainter interposed nerves, glabrate to villous : 

 peduncles axillary, ascending to erect, solitary to several, sur- 

 passing the leaves or shorter, 50—200 mm. high, pubescent : spikes 



become 5 or 



ipted aft 



more mm. long, ascending to erect, long-cylindrical, 50-100 or 

 more mm. long, pubescent : bracts rather rigid-herbaceous, two or 



7 



fi< 



fi* 



when old verticillate in threes : calyx pubescent, its divisions scarious, 

 with ligkt-green midribs, or the outer ones nearly herbaceous, spatu- 

 late-oblong, rounded, 2 mm. long : corolla one third surpassing 

 the calyx, its lobes strongly reflexed, .the two laterals deflexed, 

 two or more times as long as the constricted throat, ovate, obtuse, sub- 

 auric u I ate at the base, 1.5 mm. by 1 mm., white: stamens four, 

 and, with the style, just exserted from the tube, or a little longer : 

 pyxis equalling or surpassing the calyx, oval, rounded, 2 mm. by 

 1 mm. or larger, circumscissile at the middle : seeds two, dark 

 brown, oblong, finely pitted. 



Forty-one sheets or specimens have been examined from South 

 Dakota, Nebraska, Oklahoma Territory, Texas, Montana, Wyoming, 

 Colorado, New Mexico, Idaho, Utah, Arizona, Oregon, California, 

 Lower California, as follows : 15 in the U. S. National Herbarium, 

 6 in the Gray Herbarium. 10 in the Herbarium of the Missouri 



