330 BOTANICAL GAZETTE | MAY 
PUCCINIA HETEROSPORA B. & C.—On Adbutilon crispum, Oaxaca, October 
20, 1899, no. 3684; on Anoda hastata, near Tula, September 21, 1898, no. 
3186; Cuernavaca, September 28, 1898, no. 3093; on Axoda, Patzcuaro, 
October 17, 1898, no. 3004; Orizaba, October 6, 1898, no. 3194; Chapala, 
September 22, 1899, no. 3477; on Anoda acerifolia, Oaxaca, October 18, 1899, 
no. 3656; Cuautla, October 12, 1898, no. 3044; on Szda Hol/wayt, Cuautla, 
October 12, 1898, no. 3043. 
PucciniA GALI (Pers.).— On Galium uncinulatum var. obstipum, Oaxaca, 
October 18, 1899, no. 3654. 
Puccin1IA SEYMERIAE Burrill.—On Seymeria virgata, Oaxaca, October 
22, 1890, nO, 3721. 
PuccinIA PITCAIRNIAE Lagerh.—On /Pitcairnia Palmert, Chapala, 
September 1899, no. A; Uruapam, October 11, 1899, no. 3619. These two 
' specimens are not exactly alike, the latter having somewhat smaller more 
regular spores less thickened at apex. 
PUCCINIA MENTHAE Pers.—On Monarda?, Jalapa, October 3, 1898, 
no. 3211. 
PUCCINIA PHILIBERTIAE E. & E.—Tizapan, bs of Meixco, October 
28, 1899, no. 3749, on Metalstelma angustifolium. 
Puccinia Marsdeniae Diet. & Holw., n. sp.—Sori on yellow 
or brownish spots, medium-sized or small; uredosori scattered, 
cinnamon-brown, on both sides of the leaves; uredospores 
broadly elliptical, almost globose, 28-33 x 25—29p, light brown; 
epispore thick, with widely separated short spines and numerous 
germ-pores; teleutosori epiphyllous, scattered, naked, black, 
pulverulent ; teleutospores elliptical, rounded at both ends, very 
little constricted, 33-45 28-32", dark chestnut-brown, with 
large tubercles; pedicel up to 75m long, easily breaking off at 
the base, often inserted at the side of the spore. 
On Marsdenia Mexicana, Cuernavaca, September 29, 1899, no. 3529. 
PuCCINIA XANTHII Schw.— On Xanthium, Chapala, September 17, 1899, 
no. 3440; Cuautla, October 12, 1898, no. 3042; Oaxaca, October 17, 1899, 
no. 3644; Cuernavaca, September 28, 1899, no. 3516; on Zinnia tenutfiorg, 
Chapala, September 17, 1899, no. 3441; Oaxaca, October 17, 1899, N0- 
3646. 
PucciniA KUHNIAE Schw.—On Barroetea sabuligera, Aguas Calientes, 
September 12, 1899, no. 3400. 

