1887.] in the Neighbourhood of Simla. 361 



tlie occurrence of nredospores in the teleutospore-pustules lend some 

 support to the view that we have here to do with a complete autoecious 

 Uredine. However, in the absence of experimental evidence, this remains 

 a mere presumption. 



Remarks. — I believe that this is an entirely new species, and I have 

 therefore named it Puccinia Fragarice, in accordance with recognised 

 precedent in nomenclature, although I should have preferred naming it 

 ^cidium Fragarice. 



7. — ^jiEciDIUM lEUCOSPERMUM, D. C. ? 

 Anemone rivularis, Ham. 

 This fungus is remarkably localised. During the last three years, 

 although I have looked for it everywhere about Simla, and the host 

 may be found everywhere, I have found it in only two localities, one in 

 Simla (Annandale), the other in a forest (Cheog) about 14 miles distant. 

 In these localities I have found it in June, July, and the beginning of 

 August, before the plant flowers. The most striking peculiarity of this 

 secidium is that it is white. The whole leaf is often involved, though 

 generally only well-defined portions are, and frequently the margin of 

 the leaf (Fig. 11, PL XIII.). The aecidia break out almost entirely from 

 the under surface, though a few may occasionally be seen on the upper 

 Burface. When a young immature leaf is attacked, as is often the case, 

 there is a striking arrest of growth, the leaf never attaining the usual 

 size shown by sister leaves of the same plant which are not affected — 

 indeed, a fully affected young leaf is often only one quarter the normal 

 size. The petioles were never seen to be attacked. Sometimes every 

 leaf of a plant was found attacked. The attacked areas after the 

 ripening of the aecidia quickly turn brown and wither. 



The cecidiospores, when just wetted, are round or oval and measure 

 on an average 17*7 X 15'6 /x. The epispore is beset with very minute 

 tubercles (Fig. 12, PI. XIII). I never succeeded in getting them to 

 germinate in a growing cell. The peridial cells measure about 

 18 X 16 fjL. 



The sjoermogonia, formed only on the upper surface of the leaf, 

 measure about 80 /a in depth and 120 />t in breadth. They are very 

 superficially situated, having their bases sunk only through the epider- 

 m.is and resting on the palisade cells. A tuft of paraphyses projects 

 through their mouths about 40 to 50 ft in length. 



Remarks. — Puccinia Anemones^ Pers., occurs on A. nemorosa and 

 A. ranunculoides, forming powdery masses of teleutospores (without 

 nredospores) on the under surfaces of the leaves. Each of these hosts 

 also bears an ^cidium, that on A. ranunculoides (^c. punctatum, 

 Pers.) having violet-brown aecidiospores and that on A. nemorosa 



