522 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



1. Polemonium confertum A. Gray, Proc. Acad. Phila. 1863: 73. 1864. 

 Type locality: Rocky Mountains of Colorado. 



Range : Wyoming to northern New Mexico. 



New Mexico: Wheelers Peak; Upper Pecos River. High mountain meadows, in 

 the Arctic- Alpine Zone. 



2. Polemonium mellitum (A. Gray) A. Nels. Bull. Torrey Club 26: 354. 1899. 

 Polemonium confertum mellitum A. Gray, Proc. Acad. Phila. 1863: 73. 1864. 

 Type locality: Rocky Mountains of Colorado. 



Range : Wyoming and Nevada to Colorado and New Mexico. 



New Mexico: Sandia Mountains. High mountains, in the Hudsonian Zone. 



3. Polemonium flavum Greene, Bot. Gaz. 6: 217. 1881. 



Type locality: Cold northward slopes of the highest Pinos Altos Mountains, New 

 Mexico. Type collected by E. L. Greene in 1880. 



Range : Mountains of southwestern New Mexico. 



New Mexico: Willow Creek; Eagle Peak; Hillsboro Peak; West Fork of the Gila; 

 near East View. Transition Zone. 



4. Polemonium scopulinum Greene; Rydb. Colo. Agr. Exp. Sta. Bull. 100: 280. 



1906. 

 Type locality: Colorado. 

 Range: Colorado and northern New Mexico. 



New Mexico: Santa Fe and Las Vegas mountains. Deep woods, Canadian to Arc- 

 tic-Alpine Zone. 



5. Polemonium pterospermum Nels. & Cockerell, Proc. Biol. Soc. Washington 



16: 45. 1903. 

 Type locality: Cloudcroft, Sacramento Mountains, New Mexico. Type collected 

 by Cockerell, September, 1900. 

 Range : Known only from type locality, in the Canadian Zone. 

 We have seen no specimens of this species. 



6. Polemonium filicinum Greene, Pittonia 1: 124. 1887. 



Type locality: Pinos Altos Mountains, New Mexico. Type collected by E. L. 

 Greene in 1880. 



Range: Mountains of southern New Mexico and Arizona. 



New Mexico: Lookout Mines; White and Sacramento mountains. In the Transi- 

 tion and Canadian zones. 



7. Polemonium grande Greene, Leaflets 1: 153. 1905. 

 Type locality: Near Pagosa Peak, southern Colorado. 

 Range: Colorado and New Mexico. 



New Mexico: Santa Fe and Las Vegas mountains; Sacramento Mountains. Damp 

 woods and along streams, from the Transition to the Hudsonian Zone. 



8. Polemonium molle Greene, Leaflets 1: 153. 1905. 

 Type locality: Piedra, southern Colorado. 

 Range: Colorado and northern New Mexico. 



New Mexico: Chama; Sandia Mountains; Pecos Baldy. Mountains, in the Cana- 

 dian Zone. 



4. LEPTODACTYLON Hook. & Am. 



Erect, tufted, more or less woody plants, 50 cm. high or less, with opposite or alter- 

 nate, palmately 3 to 7-parted leaves having linear spinulose segments, the white or 

 yellowish flowers with tubular-funnelform corollas; calyx tube not at all or but 

 slightly scarious between the lobes, at length ruptured by the swelling capsule; 

 seeds not mucilaginous, without spiracles. 



