5 : os (nos. 6145 and 6148). 
60 BOTANICAL GAZETTE [JULY 
brooms, often densely confluent on both sides of the pods over 
areas I-5cm. across, individual uredinia on pods elliptical to 
irregularly oval, o.2-0.6 mm. across, verona brown to tawny-olive 
in color, uredinia on leaves amphigenous, elliptical to irregularly 
oval, primary uredinia often encircling pycnia; urediniospores 
obovate-oblong to linear-oblong, on pods 10-17 by 27-45 mu, average 
for 20 spores 13 by 31 u, on leaves urediniospores are 10-14 by 
27-38, average for 20 spores 13 by 33 p, average for both sets of 
spores 13 by 32u; walls 1-1.5y thick, slightly thicker above 
(about 3), prominently but sparsely echinulate, spinules very 
sparse on upper third of spore, upper third golden brown to wine 
color, remainder of spore paler to hyaline, germ pores 8, in 2 rows 
of 4 each, upper row at boundary of colored and hyaline part of 
spore, lower row about the same distance below the equator; 
paraphyses abundant, intermixed with the urediniospores, clavate 
to clavate-capitate, 35-50 u long, average length for 10, 44.0n, 
heads 9-13 uw, average for 10 heads toy, apex of head thickened 
about 3 », pale fulvous, stipe usually thin-walled, hyaline. 
III. Telia amphigenous, often abundant on all parts of badly 
infected leaves, scattered, subcuticular, blackish, shining, o.2- 
1.2mm. across, irregularly oval, ruptured cuticle noticeable; 
_ teliospore heads blackish, 63-100 uw, average for 30 heads 78 un, 
5-7 cells across, 14-30 spores in each head, 8-14 marginal spores 
and 6-15 inner ones, verrucose, each spore bearing 3-10 colorless 
warts about 2 u tall by 3 » broad; paraphyses present and similar 
to those in uredinia; cysts of same number as marginal spores, 
flattened, appressed beneath head, extending from periphery to 
_ pedicel, in one row, united laterally, ovoid to oblong-ovate, slow 
to burst in water; pedicel short, colorless, compound, deciduous. 
: DISTRIBUTION.—TEXAS: On Acacio roemeriana, San Marcos (type local- 
as ity), poy in . November TOTS (nos. 5494 and 5498 type), i in May 1916 (nos. 
6909, 6019, 6020, and 6065); San Antonio, Long, in May 1916 (nos. 5610, 
— 5611, 5612, 5614, and 5615), 08} in | November aie es. 6155 and 6159); 
Uvalde, Heald and Wolf, : 
deride ——! —_ merianae ww tte lee wt cacia iit emerian: pe 
