Standley: Fungi of New Mexico 
145 
Albugo Trianthemae G. W. Wilson 
On Trianthema Portulacastriim L. : Mesilla Valley, August, 
1908, Standley. 
The type was collected near Las Cruces by Wooton. The 
species is known only from the Mesilla Valley. 
Peronospora Lepidii (McAlp.) G. W. Wilson 
On Sophia incisa (Engelm.) Greene (a new host) : Placitas, 
Aug. 3, 1910, Wooton. 
Peronospora parasitica (Pers.) Fries 
On Sophia incisa (Engelm.) Greene; Beatty’s Cabin, Aug. 8, 
1908, Standley 4842. On Sophia ochroleuca Wooton (a new 
host) : Mesilla Valley, 1908, Standley ^886. 
Physotheca Halstedii (Farl.) G. W. Wilson 
On Ximenesia exauriculata (Rob. & Greenm.) Rydb. : Pecos, 
Aug. 21, 1908, Standley 5154; Raton, June 22, 1911, Standley 
6309. 
Phytophthora infestans (Mont.) De Bary? 
On Solanum tuberosum L. (cultivated) : White Mts., Aug. 15, 
1908, Wooton. Determined by Sumstine. 
SPHAERIALES 
(Erysiphaceae determined by Prof. Guy West Wilson, the others 
by Dr. C. E. Eairman, unless stated otherwise) 
Asterina mexicana Ellis & Ev. 
On Agave neomexicana Woot. & Standi.: Queen, July 31, 1909, 
Wooton. “ Perithecia surrounded at base by mycelial threads. 
Asci abruptly stipitate, 60 X 17-20 [i] or saccate or globose; about 
25-30 ju, in diam. Sporidia: upper cell smaller and globose; 
lower cell longer and oblong, 24-30 X 10-12 fi. This was orig- 
