1094 



AQUATIC PHYCOMYCETES 



R. minutum 



R. racemosum 



R. sphaerocarpum 



R. sphaerotheca 



R. subangulosum 



R. transversum 

 P. pallasiana 



Lagenidium pygmaeum 

 P. ponderosa 



Olpidium pendulum 



P. sylvestris 



Lagenidium pygmaeum 

 Rhizophydium pollinis-pini 

 R. sphaerotheca 



Pinus sp. 



Blyttiomyces heiicus 

 Lagenidium pygmaeum 

 Olpidium longicollum 

 O. luxurians 

 O. pendulum 

 ?Phlyctidium pollinis-pini 

 Phlyctochytrium papillatum 

 P. semiglobiferum 

 P. spectabile 

 Rhizophydium bullatum 

 R. halophilum 

 *R. monoporum 

 R. pollinis-pini 

 R. sphaerotheca 

 R. utriculare 

 Pseudotsuga mucronata 



Rhizophydium sphaerotheca 



Taxus sp. 



Olpidium luxurians 

 "Coniferous pollen grains" 



Lagenidium pygmaeum 

 "Gymnospermous pollen" 



Rhizophydium sphaerotheca 



ANGIOSPERMAE 



Angiosperm pollen 



Cucurbita sp. 



Rhizidiomyces hirsutus 



Helianthus sp. 



Rhizophydium pollinis-pini 



Lilium sp. 



Olpidium luxurians 

 Liquidambar sp. 



Rhizidiomyces apophysatus 



Phlox sp. 



Rhizophydium pollinis-pini 



Populus sp. 



Rhizophydium pollinis-pini 

 Pyrus mains (apple) 



Lagenidium pygmaeum 



Tropaeolum sp. 



Rhizophydium pollinis-pini 



Typha sp. 

 ?Achlyella flahaultii 

 Chytridium chaetophilum 

 Olpidium luxurians 

 Rhizophydium sphaerotheca 



Ulmus sp. 



Rhizophydium sp. 

 " Angiosperms" 



Rhizophydium pollinis-pini 



Rhizophydium sp. 



"Barrtrad" 



Rhizophydium pollinis-pini 



"Pollen" 



Lagenidium pygmaeum 

 Olpidium luxurians 

 O. maritimum 

 O. pendulum 



Mature plants 1 



Aeschynomene indica 



Physoderma aeschynomenis 



Althaea rosea 



Phytophthora megasperma 



Aponogeton undulatus 



Physoderma aponogetonis 



Callitriche spp. 



Sorodiscus callitrichis 



Cannabis sp. 



Olpidium luxurians 



1 Certain terrestrial forms, such as Althaea rosea, are included simply because 

 they are hosts of type species mentioned in this book. 



