114 MISSOURI BOTANICAL GARDEN. 
nating two moniliform chains. — C. minor. 6. Perithecium almost 
mature. 7. An ascus and ascospores. | 
Plate 6. — Ceratostomella echinella. 1. A conidial cluster. — C. capil- 
lifera. 2. A conidial cluster. 3. Cephalosporium-like aggregations of 
conidia. — C. exigua. 4, 5. Conidial clusters, one having become 
massed. _ 6. Conidia. 7, Ascospores. 
Plate 7. — Graphium eumorphum, 1. Stroma with heads. 2. Clusters 
of secondary conidia. 3. Secondary conidia. 4. Parallel hyphae com- 
posing a portion of a stromatic stalk. 5. Branches of hyphae bearing 
primary conidia from head. — Graphium rigidum. 6, Stroma with head. 
7. Conidial masses on surface of an agar culture, secondary conidia. 
'. g, Primary conidia. 10. Germination of primary conidia. 
’ plate 8. — Graphium atrovirens. 1. Stromata with heads. 2. Clusters 
of secondary conidia. 3. Compound cluster, or side clusters of second- 
ary conidia. — Graphium ambrosiigerum. 4, Stroma with heads. 5. A 
cluster of secondary conidia. 6. Stroma, origin of stalk bearing head. 
7. Filament bearing primary conidia from head. 
Plate 9. — Graphium album. 1. Stromata with heads. 2%. Clusters of 
secondary conidia. 3. Compound cluster of secondary conidia. 4. 
.Primary conidia.— Graphium aureum. 5. Stromata with heads. 6. 
Conidial clusters and masses of secondary conidia. 7. Primary conidia. 
— Graphium smaragdinum. 8. Stromata with heads. 9. Clusters of 
secondary conidia. 10. Filaments bearing primary conidia from head. 
Plate 10. — Hormodendron cladosporioides. 1. Conidial clusters. — H. 
griseum. 2. Conidial clusters, the smaller showing a Cladosporium 
“type. 
Plate 11. — Penicillium aureum. 1. A portion of a conidial cluster with 
two complete chains of conidia, the remainder being incomplete and the 
conidiophore drawn in two pieces. 2. A portion of the mycelium from a 
culture of pine-decoction agar showing swollen cells suggestive of 
chlamydospore formation. 3. A filament rugose with a deposit of a 
colored granular exudation. — Hormiscium gelatinosum. 4. A colony on 
agar showing the toruloid form, (enlarged 6 times). 5. A hypha with 
hyaline yeast-like conidia. 6. Brown form of loosely attached conidia. 
7,8. Conidia in chains borne on short hyphae, the Hormiscium type. * 
Plate 12.— Fusarium roseum. 1, 2. Microconidia, Verticillium-like 
forms. 8. Microconidia aggregated in Cephalosporium-like masses and 
at the same time becoming uniseptate. 4. Microconidia one- to two- 
celled, macroconidia three- to four-celled. 5. Formation of abortive 
chlamydospores caused by the arrested germination of macroconidia. 
6, 7, 8. Chlamydospore formation. . 
