UREDINALES OF PORTO RICO BASED ON 
COLLECTIONS BY F. L. STEVENS^ 
J. C. Arthur 
(Continued from page jg6) 
36. Uromyces pianhyensis P. Henn. Hedwigia 47 : 266. 1908. 
On Carduaceae: 
Wedelia reticulata DC., San German, Dec. 8, II, 469/. 
Although only uredinia are available in the Porto Rican ma- 
terial, yet they agree so exactly with the species described by 
Hennings from Brazil that no question of identity can be enter- 
tained. The type collection was made by E. Ule 3329, in 
January, 1907, on an undetermined species of Wedelia. -The 
portion of the leaf of the type collection, which has been ex- 
amined, shows the same peculiar hairs along the veins, and in 
general has the same appearance, as the Stevens’ collection, 
except that it is of a less firm texture, indicating a close relation- 
ship if not identity of host species. 
The urediniospores may be described as globoid, or often tri- 
angular-obovoid, 18-21 g. in diameter, the light chestnut-brown 
wall closely and finely echinulate, thin, 1.5 /x or less thick, with 
pores indistinct, but probably 2 and equatorial. 
37. Puccinia Cameliae (Mayor) comb. nov. 
Uredo Cameliae or, Mem. Soc. Neuchat. Sci. 5: 578. 
1913- 
On Poaceae: 
Chaetochloa setosa (Sw.) Scribn. (Setaria setosa Beauv.) , 
Mona Island, Dec. 20, 21, 6118. 
This collection shows both uredinia and telia. The species, 
showing only uredinia, was detected on a phanerogamic speci- 
men in the herbarium of the New York Botanical Garden on 
I Continued from Mycologia 7: 196. 1915. 
227 
