248 PROCEEDINGS OF THE ACADEMY OF [June, 



Fig. 11 X 100 and fig. 17 X 60. L. didymocar pa B-ook. Wagon 



Wlieel Gap, Colorado. B. Smith, July 16, 1882. 

 Fig. 15 X 60. L. douglasi Wats. Klickitat County, Washington. 



B. Smith (Sukodorf!). 

 Fig. 6 X 60. L. lindheimeri Berl. Texas and Mexico. Herb. 



Berl., 1439 (Short Herb). 

 Fig. 7 X 60 and fig. 14 X 100. L. nuttalli Gr. Arkansas, Nuttall. 

 Fig. 18 X 60. L. occidentalis Wats. White Bluff, Columbia River, 



Washington, 635, Brandiger, 1883. 



Group IV. Hair a many-rayed star, often with a web between the 

 rays. 



PI. XXI, fig. 12 X 60. L. berlandieri Gray. Circa Matamoras, Texas. 



Herb. Borland, Texas and Mexico, April, 1831 (Short Herb). 

 Fig. 16 X 60. L. jendleri Gr. Sierra Madre, forty miles south of 



Saltillo, Mexico. Dr. E. Palmer. 

 Fig. 19 X 60 and fig. 20 X 100. L. lepidata Rose. Near Tula, 



6,800 feet, Mexico. C. Pringle, 6,899. Acad. Nat. Sci. Phila. No. 



506,384. 

 Fig. 22 X 60. L. purpurea Gray. Santa Catalina Mountains, 



Arizona. C. Pringle, 1883. 

 Fig. 23 X 100 and "fig. 25 X 60. L. [schaffneri Wats. San Luis 



Potosi, Mexico. Ex. Herb. Gray. 

 Fig. 21 X 60 and fig. 26 X 60. L. stenophyUa Gr. (humilis). Pecos, 



Texas. C. Wright, 1881. No. 852. 

 Fig. 24 X 60. L. StenophyUa Grsiy {proccra). Turkey Creek, Texas. 



850. C. Wright. 



Group V. Hair a few-rayed star, which looks as if one ray was 

 omitted. 



PI. XXI, Fig. 27 X 60. L. densiflora Gray. Flora. Texas. 



Exsic. 328, Fasc. III. F. Lindheimer, 1846 (Short Herb). 

 Fig. 28 X 60. L. grandiflora Hk. Victoria, Texas, Flora. Texas, 



Exsic. Dr. Engelmann, 1846. 

 Fig. 24 X 60. L. engelmanni Gr. Texas. Fendler, 1846. 



All the specimens figured are mounted in Canada balsam in the 

 herbarimii of the Academy of Natural Sciences of Philadelphia. 



