232 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



Cockerell, T. D. A. A new Sphacralcea. Bot. Gaz. 32: 60. 1901. 

 Sphaeralcea martii described from New Mexico. 



A new Cypripedium. Proc. Biol. Soc. Washington 14: 178. 1901. 

 Cypripedium veganum described from New Mexico. 



A new Ribes from New Mexico. Proc. Biol. Soc. Washington 15: 99-100. 

 1902. 



Ribes Icptanthum veganum described. 



A new Heliotropium. Bot, Gaz. 33: 378-379. 1902. 

 Heliotropium xcrophilum described from New Mexico. 



A variable larkspur. Bot. Gaz. 34: 453-454. 1902. 



Delphinium sapcllonis described from New Mexico. 



Some New Mexico plants. Torreya 2: 154-156. 1902. 

 Astragalus simulans and Aragallus pinetorum vrganus described. 



Flowers and insects in New Mexico. Amer. Nat. 36: 809-817. 1902. 

 Stations are given for numerous New Mexican plants. 



A new oak. Torreya 3: 7-8. 1903. 



Quercus rydbergiana described from New Mexico. 



Notes on New Mexico oaks. Torreya 3: 83-86. 1903. 

 Notes upon the differences between the species of Quercus found about Las Vegas. 



Two orchids from New Mexico. Torreya 3: 139-141. 1903. 

 Corallorkiza grabhami described as new, and notes on C. vrcelandii. 



A new cocklebur from New Mexico. Proc. Biol. Soc. Washington 16: 9-10. 

 1903. 



Description of Xanthium commune woofoni. 



A new subgenus for Nyctaginia cocherellae. Proc. Biol. Soc. Washington 16: 

 52. 1903. 



— A new Hypholoma. Journ. Mycology 10: 108-109. 1904. 

 A new species from New Mexico described, 



The roses of Pecos, New Mexico. Proc. Acad. Philu. 1904: 108-118. 1904. 



Descriptions of Jiosa pecosemis and R. neomexicana and list of plants collected about Pecos. 



The North American species of Hymenoxys. Bull. Torrey (Tub 31: 461- 



509. pis. 20-23. 1904. 



Describes several new plants in this genus from New Mexico. 



- Contributions to the natural history of the Rocky Mountains. I. Univ. Colo. 

 Stud. 3: 45-50. 1905. 



Contains notes on New Mexican weeds. 



Sisymbrium vaseyi (Coulter) Watson. Muhlenbergia 4: 5. 1908. 

 Mentions the occurrence of this plant in the Las Vegas Mountains. 



See also Nelson, Aven. 



See also Pollard, C. L. 



Cockerell, Wilmatte Porter. A trip to the Truchas Peaks, New Mexico. Amer. Nat. 

 37:887-891. 1903. 



Besides general notes on the flora of the region includes a list or plants collected. 



Coulter, John M. Preliminary revision of the North American species of Cactus, 

 Anhalonium, and Lophophora. Contr. Nat. Herb. 3: 91-132. 1894. 

 Both this and the following contain numerous references to New Mexican collections. 



Preliminary revision of the North American species of Echinocactus, Cereus, 

 and Opuntia. Contr. Nat. Herb. 3: 367-462. 1896. 



