264 NORTH AMERICAN FLORA [Voi,umk 7 



On Armeriaceae ■ 



Limonium californicum (Boiss.) Small, California. 



Limonium carolinianum (Walt.) Britton {Staiice Limonium carolifiianum A. Gray), 



Maine, Massachusetts, Mississippi, New Jersey, New York; New Brunswick, Nova 

 Scotia. 



Statice Armeria I^. {Armeria vulgaris VJ\\\6..), California. 



Type locality: Coast of LaManche, France, on Statice Limonium. 



Distribution : Almost the entire eastern and western coasts of North America north of 

 Mexico ; also in Europe, Asia, and northern Africa. 



ExsiCCATi : Ellis, N. Am. Fungi 241, 242; Ellis & Ev. Fungi Columb, 649, 658 ; Barth. Fungi 

 Columb. 2294, 3096; Barth. N. Am. Ured. 95. 



74. Nigredo (?) speciosa (Holway) Arthur. 



Uromyces speciosus Holway, Ann. Myc. 3 : 23. 1905. 



O and I. Pycnia and aecia unknown. 



II. Uredinia not seen ; urediniospores in the telia, globoid or oblong-globoid, 19-24 by 

 26-35 ;Lt; wall rather thick, 1.5-2.5 m, cinnamon-brown, rather sparsely and inconspicuously 

 echinulate, the pores 3-6, scattered, sometimes appearing approximately equatorial. 



III. Telia amphigenous, round, scattered, 0.5-1 mm. in diameter, rather early naked, 



pulverulent, chocolate-brown ; teliospores ellipsoid or subglobose, somewhat angular^ 



15-19 by 21-29 yit, rounded at both ends; wall chestnut-brown, thin, 1 /z, minutely and 



closely verrucose, thicker at the apex, 2.5-3.5ju; pedicel colorless, fragile, soon breaking 



away and appearing short. 



On Gentianaceae : 



Frasera m-acrophylla Greene, New Mexico. 

 Frasera stenosepala Rydb., Colorado. 

 Type locality : Cloudcroft, New Mexico, on Frasera macrophylla. 



Distribution : In the foothills of the Rocky Mountains from northern Colorado to southern 

 New Mexico. 



Exsiccati : Clements, Crypt. Form. Colo. 132; Barth. Fungi Columb. 2598; Barth. N. Am. 

 Ured. 198; Sydow, Ured. 2012. 



75. Nigredo Gentianae Arthur. 



Uromyces Gentianae Arth. Eot. Gaz. 16 : 227. 1891. 



O and I. Pycnia and aecia unknown. 



TI. Uredinia amphigenous, numerous, scattered, roundish or oblong, 0.2-1 mm. across, 

 rather early naked, pulverulent, pulvinate, light cinnamon -brown, ruptured epidermis con- 

 spicuous ; urediniospores broadly ellipsoid or globoid, 16-18 by 18-23 /z ; wall light golden- 

 brown, rather thin, 1-1.5/*, finely and inconspicuously echinulate, the pores 4, equatorial. 



III. Telia amphigenous, not readily distinguishable from the uredinia, roundish, 

 0.2-0.5 mm. across, rather tardily naked, pulverulent, pulvinate, cinnamon-brown, rup- 

 tured epidermis noticeable; teliospores broadly ellipsoid, 15-18 by 18-21 ju, wall golden- 

 brown, about 1.5 ju thick, with a semi-hyaline cap above making the apex 2-3 )Lt thick, 

 finely and closely verrucose ; pedicel colorless, rather stout, about one-half the length of 

 the spore. 



On Gentianaceae : 



Amarella Hartwegii (Benth.) Arth. [Gentiana Hartwegii'B^nth..), Hidalgo. 



Amarella mexicana (Griseb.) Arth. {Gentiana m,exicana Griseb.), Durango. 



Amarella occidentalis (A. Gray) Greene {Gentiana quinqueflora occidentalis K, Gray, G. 

 quinquefolia occidentalis Hitchc), Iowa. 



Amarella propinqua (Richardson) Greene {Gentiana propinqua'RiohB.rA.son), Vermont. 



Amarella striciijiora (Rydb.) Greene {Gentiana acuta striciiflora Rydb., G. strictijlora 

 A. Nels.), Colorado, Nevada, Washington. 

 Type locality : Decorah, Iowa, on Gentiana quinquefolia occidentalis. 

 Distribution : Rare and local in highlands of the northern and western United States and 



Mexico. 



Exsiccati : Sydow, Ured. 1587 ; Barth. N. Am. Ured. J*y5. 



76. Nigredo (?) Howei (Peck) Arthur. 



Trichobasis Howei Peck, Ann. Rep. N. Y. State Mus. 23: 58. 1873. 

 Uromyces Asclepiades Cooke, Grevillea 5 : 152. 1877. 

 Uromyces Howei Peck, Ann. Rep. N. Y. State Mus. 30 : 75. 1879. 

 Uromyces Demetrianus Paz.; Rab.-Wint.-Paz. Fungi Kur. 4037. 1895. 

 Caeomurus Howei Kuntze, Rev. Gen. 3^ : 450. 1898. 



O and I. Pycnia and aecia unknown. 



