Part 2, 1907] COLEOSPORIACEAE 91 
O. Pycnia amphigenous, scattered, numerous, originating between mesophyl and 
cortical layer, noticeable, 0.3-0.5 mm. wide by 0.5-0.8 mm. long, dehiscent by a longi- 
tudinal slit, low-conoidal, 80-100 high. 
I. Aecia from a limited mycelium, amphigenous, numerous, scattered on discolored 
spots occupying part of a leaf, erumpent from longitudinal slits, tongue-shaped, 0.5-1 mm. 
long by 0.5-0.7 mm. high; peridium rupturing irregularly, moderately firm, white, cells over- 
lapping, 35-45 long, not much narrower, walls transversely striate, inner coarsely verru- 
cose, thick, 5-6, outer less rough and somewhat thinner; aeciospores ellipsoid, 20-25 by 
28-40 #2; wall colorless, closely and coarsely verrucose with deciduous tubercles, which are 
directed away from a smooth spot extending up one side, thick, 2-3 on the smooth spot, 
increasing to 5-6 on the opposite side, including the tubercles. 
ON PINACEAE: 
Pinus rigida Mill., Connecticut, Massachusetts, New Jersey, New York. 
II. Uredinia hypophyllous, rarely also epiphyllous, irregularly scattered, or at first 
somewhat gregarious and crowded, 0.3-0.5 mm. across, soon naked, yellow or orange- 
yellow, ruptured epidermis inconspicuous; urediniospores ellipsoid or globoid, 17~22 by 
20-30; wall rather thin, 1-24, closely and strongly verrucose; contents orange-yellow 
when fresh, fading to colorless. 
III. Telia hypophyllous, scattered irregularly or sometimes crowded and confluent, 
slightly elevated, 0.3-0.5 mm. across, reddish-orange; teliospores with wall swelling 30- 
40 thick above; contents orange-yellow fading to colorless, terete, 15-23 by 55-80y, 
rounded or obtuse at both ends; basidiospores globoid or elliptical, about 12 by 18y, 
orange-yellow. 
ON CARDUACEAE : 
Aster chilensis Nees (A. Chamissonis A. Gray), California. 
Aster conspicuus Lindl., Idaho, Montana. 
Aster cordifolius J,., UWlinois, Indiana, Massachusetts, New York, Pennsylvania, Virginia. 
Aster divaricatus I, (Asier corymbosus Ait.), Wisconsin. 
Aster Drummondii Lindl., Wlinois, Indiana, Iowa. 
Aster dumosus I,., Alabama. 
Aster Eatoni (A, Gray) Howell, Montana, Washington. 
Aster ericoides ¥,., Illinois, South Carolina. 
Aster laevis L,., Iowa. 
oe gh ail (L.) Britton (4. diffusus Ait., A. mtser Nutt.), Alabama, Iowa, New 
ork, Ohio. 
Aster Lindleyanus T. & G., Colorado, Maine. 
Aster longifolius Lam., Maine. 
Aster macrophylius I,., Maine, Michigan, Ohio, Wisconsin. 
Aster multifiorus Ait., lowa. : 
Aster nebraskensis Britton, Nebraska. 
Aster Novae-Angliae L,., Connecticut, Wlinois, Indiana, Ohio. 
Aster Novi-Belgii L., Maine, Massachusetts. 
Aster occidentalis Nutt., British Columbia. 
Aster paniculatus Tam., Indiana, Kansas, Ohio. 
Aster paniculaius simplex (Willd.) Burgess, Massachusetts. 
Aster paiens Ait., Alabama, Michigan. 
Aster pauciflorus Nutt. (A. caricifolius H.B.K.), Mexico (state). 
Aster prenanthoides Muhl., Ohio. 
Aster puniceus L., Indiana, West Virginia, Wisconsin. 
Aster radulinus A. Gray, California. 
Aster sagittifolius Willd., Indiana, Iowa. ; : : 
Aster salicifolius Lam. (A. carneus T. & G.), Iowa, Kansas, Missouri, Pennsylvania. 
Aster Shortit Hook., Indiana, Missouri. 
Aster Tradescanti L., New York. | 
Aster undulatus I,., Alabama. fect 
Aster vimineus Lam, (A. Tradescantt T. & G.), Minnesota. 
Callistephus hortensis Cass., Maryland, Massachusetts, New Jersey, New York, South Caro- 
lina, West Virginia. . . . bees 
Chrysoma paucifiosculosa (Michx.) Greene (Solidago pauciflosculosa Michx.), Mississippi. 
Doellingeria sericocarpoides Small, Texas. : : : 
Doellingeria umbellata (Mill.) Nees (Aster umbellatus Mill.), Maine, Minnesota, New 
Hampshire. . . 
Euthamia graminifolia (1,.) Nutt. (Solidago lanceolata \,.), Connecticut, Kansas, Maine, 
Massachusetts, New Hampshire, New York, Pennsylvania, West Virginia. 
Euthamia leplocephala (T. & G.) Greene, Texas. 
Solidago arguta Ait., Indiana, New York. 
Solidago bicolor l,.,New York. __ eee 
Solidago caesia 1, Alabama, Indiana, Massachusetts, New York, Virginia. 
Solidago californica Nutt., California. 
