1918] ARTHUR—UREDINALES 463 
on the leaves of pine. It was collected at Providence, Rhode 
Island, in 1883, on Senecio vulgaris, but apparently soon dis- 
appeared, and has not been reported again from any station in 
North America. 
It will be observed that all the collections recorded, most of them 
being very ample, contain no telia. This may indicate that the 
aecia on pine are rare or absent from the region, and that the rust 
is reproduced by means of its urediniospores chiefly or wholly. 
2. CuHrysocetis Luprint Lagerh. and Diet. (on Fabaceae).— 
Lupinus paniculatus Desr. (2), Cuzco, Peru, September 1, III, 
NO. 19050. 
The genus Chrysocelis was founded in 1913, upon studying 
Material from Colombia, submitted by Dr. Euc. Mayor to Dr. P. 
Dretet (Mayor, Contribution a l’étude des Urédinées de Colombie, 
Mém. Soc. Neuch. Sci. Nat. 5:542-544). The type is on an unde- 
termined species of Lupinus from near Bogota at 3000 m. altitude 
(no. 95), and accompanied by another collection from the same 
region at 2600 m. (no. g5a). These specimens were compared 
with similar collections made by LAGERHEIM in Ecuador 20 years 
earlier on 3 species of Lupinus, one of which has been examined by 
the writer. 
This is a rust quite unlike any other known. It is a long cycle 
form with pycnia, aecia, and telia, and in all collections previously 
recorded sori of both aecia and telia are present. In the discussion 
following the founding of the genus, the somewhat unusual nature 
of the aecia, and the doubtful affinities of the rust are considered. 
From my own study I am inclined to dissent from the tentative 
conclusion that the rust is not to be referred to the Uredinaceae 
(Melampsoraceae), but to the Aecidiaceae (Pucciniaceae), because 
of the superficial character of the telia and the lack of lateral 
adhesion of the teliospores. Both of these conditions can be har- 
monized, I believe, with requirements for the former family, rather 
than the latter, and such characters as the cylindrical and sessile 
teliospores, and the highly pulverulent spore chains of the aecia, or 
possibly they are uredinia, would further lend countenance to this 
view. 
