Part 1, 1922] PHYLLOSTICTACEAE 
On other hosts. 
Spots irregular, often covering a large part of the leaf. 
On Caryophyllaceae. 
On Scrophulariaceae. 
Spots circular or subcircular in form. 
Spots small, usually less than 5 mm. in diameter. 
Spots deciduous and translucent; on Brassicaceae. 
Spots not usually deciduous. 
Spores allantoid; on Plantaginaceae. 
Spores not allantoid. 
Spores containing 
volvulaceae. 
Spores without conspicuous oil-drops. 
On Violaceae. 
On Lythraceae. 
On Ambrosiaceae. 
Spots usually exceeding 5 mm. in diameter. 
Spots marked with concentric rings. 
On Nymphaeaceae. 
On Loasaceae. 
two oil-drops; 
Spots not marked with concentric rings: on Ver- 
benaceae. 
Spores averaging 1-2.5 & 5-7 u. 
Spots reaching a diameter of 1-5 mm. 
On Papaveraceae. 
On Buxaceae. 
Spots reaching a diameter of 1 cm. 
On Saxifragaceae. 
On Malvaceae. 
On Scrophulariaceae. 
ON Woopy Hosts; TREES, SHRUBS, OR VINES 
Spores subglobose or broadly ellipsoid, less than twice as long as broad. 
Spores scarcely longer than broad. 
Spots usually marginal, almost surrounding the leaf; on Ulma- 
ceae. 
Spots not usually marginal. 
Spots reaching a diameter of 1 mm. 
Pycnidia one to each spot; on Amygdalaceae. 
Pycnidia several to each spot; on Malaceae. 
Spots reaching a diameter of 2-4 mm. 
On Anacardiaceae. 
On Ericaceae. 
Spores very broadly ellipsoid, less than twice as long as broad. 
Spots red; on Malaceae. 
Spots not red; on various hosts. 
Spots 5 mm. or less in diameter. 
Spots 1-2 mm. in diameter. 
Pycnidia few or one to each spot; on Malaceae. 
Pycnidia several to each spot; on Caesalpiniaceae. 
Spots 2-5 mm. in diameter. 
On Vitaceae. 
On Clethraceae. 
Spots reaching a diameter of 1 cm. or more. 
Usually marginal or terminal. 
On Cyrillaceae. 
On Lythraceae. 
On Cornaceae. 
On Ericaceae. 
On Epigaea. 
On Uva-ursi. 
Usually not marginal nor terminal; on Anonaceae. 
Spores about twice as long as broad or more. 
Spores 3 w or more broad. 
Spores containing two oil-drops. 
On Caesalpiniaceae. 
On Caprifoliaceae. 
Spores without conspicuous oil-drops. 
Spots apparently caused by insects; on Magnoliaceae. 
Spots apparently not caused by insects. 
Spots not exceeding 5 mm. in diameter. 
Diameter 4-5 mm.; on Bignoniaceae. 
Diameter 1-2 mm. 
On Malaceae. 
On Rubiaceae. 
Spots reaching a diameter of 1 cm. or more. 
Form circular or subcircular. 
On Rutaceae. 
on Con- 
a 
mytyty yh 
nN 
uu 
Noy NN 
. P. 
. pallida. 
. Digitalis. 
orbicula. 
. plantaginella, 
. [pomoeae. 
. Violae. 
. Nesaeae. 
. tvaecola, 
nymphaeacea. 
Menizeliae. 
. Lexensis. 
. Sanguinariae. 
. Pachysandrae. 
. cylindrica, 
hibiscina. 
Antirrhini. 
ervatica. 
congesta. 
arbutifolia. 
toxica. 
Gaulthertae. 
rubra. 
solitaria. 
guanicensts, 
vilicola. 
clethricola. 
. Cyrillae. 
Lagerstroemiae. 
. globifera. 
. Epigaeae. 
amicta. 
. Asiminae, 
Siliquastri. 
Lantanoidis. 
. Liviodendrica. 
Catalpae. 
grisea. 
Cephalanthi. 
Hesperidearum, 
