76 TWENTY-NINTH REPORT ON THE STATE MUSEUM. 
In Cystopus the spores are white, hence these fungi are sometimes 
called white rusts. 
( Capsella Bursa-pastoris. 
Sisymbrium oflicinale. 
Cystopus candidus Zev............ Tepidinin Virgin 
| Dentaria diphylla ete. 
C. EDUITCC TEE age RR Pag a Tragopogon porrifolius. 
C. MOSM AC IC st cine ree Portulaca oleracea. 
C. Bplamlosusde ls. uch ahcacmar’ Cirsium arvense. 
C. LSI TMs: GR eere amet os .... Amarantus retroflexus. 
The AXcidiacei or Cluster-cup fungi consist essentially of small 
cup-shaped or cylindrical receptacles which contain the mostly yellow 
or orange-colored simple spores. These cups are sometimes scattered 
over the leaves but they are more frequently clustered together on 
discolored spots. 
In Restelia they are lacerated and the spores brownish, except in 
R. aurantiaca in which they are orange. 
In “&cidium the eups.are scolloped or toothed on the margin. 
In Peridermium they rupture irregularly and occur only on 
Coniferze. 
Reestelia lacerata Sow | Amelanchier Canadensis. 
anaes ** | Crateegus (various species). 
R eM iea Fal 1 Amelanchier Canadensis. 
SUA Sime eee soar hese eo Cala Parag | Pyrus Americana. 
nk, AUTANIACH teens et eek 1 Amelanchier Canadensis. 
Crateegus (various species). 
AKcidium clematitatum Schw ....... Clematis Virginiana. 
AE. quadritidumy 2G 22 bi. 20 ale Anemone nemorosa. 
AK. Hanunculy Sevw ic Sin... = Ranunculus abortivus. 
LK. Ranunculacearum DC ...... Ranunculacez. . 
AA. Ativalnetrt GMED siete mis whee 2'x she - 
tue Walt Goel ones 4 x cis Caltha palustris. 
AK. Berberidis 2767s xe ithe os wooed Berberis vulgaris. 
AE. podophyllatum Schw........ Podophyllum peltatum. 
Ak. Wace (SGU aie occa ani wees Viola pubescens. 
AE. Marize-Wilsoni Pk ......... We cucullata. 
Ab. hypericatum Schw.......... Hypericum mutilum. 
AK. claytoniatum Schw ......... Claytonia Caroliniana. 
ZA. GermiitieeG c2 eter. saan ees Geranium maculatum. 
Ah. impatientatum Schw........ Impatiens pallida. 
LK. Grassulil L679 os wae erate os Rhamnus catharticus. 
AA. Oroliy, PAG. 6a we Meeker es Trifolium repens. 
AK. album Clinton - 53... 0555 5s Vicia Americana. 
7a0R Grossularke DC 5. soe oe 25 Ribes leaves. 
Ak. Bpilopiiwe 4.0 sate ae (£nothera biennis. 
AK. Ciinothertss PG iccas tem. ¢ 5 a 
