48 
Journal of Mycology 
[Vol. 9 
Pucciniopsis caricse Earle n. sp., on languishing leaves of Carica 
papaya. Bull. N. Y. Bot. Garden, 21(340). 25 April 
1902. 
Pulsatilla hirsutissima, host to Puccinia suffusca Holway. 
Jour. Mycol. 8:171. Dec. 1902. 
Pyrrhopappus carolinianus, host to Puccinia pyrrhopappi Syd. 
n. sp. Monogr. Uredin. 1 :i39- 30 June 1902. 
Pyrrhopappus scaposus, host to Puccinia pyrrhopappi Syd. n. 
sp. Monogr. Uredin. 11139. 30 June 1902. 
Pyxine, see Lichens — Theloschistes — Pyxine . 
Quercus alba, dead wood, host to Lachnum viridulum Massee & 
Morgan n. sp. Jour. Mycol. 8:186. Dec. 1902. 
Quercus agrifolia, bark, matrix for Microglsena sychnogonoides 
A. Zahlbr. n. sp. Beihefte z. Bot. Centralbl. 13:152. 1902. 
Quercus tinctoria, dead fallen limbs, host to Cytispora pallida 
E. & E. n. sp. Jour. Mycol. 8:12. May 1902. 
Radulum Fr., syn. of Tylodon q. v . 
Ramalina, see Lichens — Alectoria , Evernia and Ramalina. . 
Ramularia hydrophylli E. & E. n. sp., on Hydrophyllum capita- 
turn. Jour. Mycol. 8: 14. May 1902. 
Rane, Frank William. Effect of Acetylene Gas-light on Plant 
Growth, Plant Environment and Plant Diseases. [Abstract.] 
Science, N. S. 16:137. 25 July 1902. 
Rane, F. W. Plant Environment and Plant Disease. [Abs¬ 
tract.] Science, N. S. 16:137. 25 July 1902. 
Ratibida columnaris, host to Cercospora ratibidas n. sp. Jour. 
Mycol. 8:177. Dec. 1902. 
Reed, Minnie. Two New Ascomycetous Fungi Parasitic on 
Algae. Univ. Calif. Publications, Botany, 1 :i4i-i64. pl.15- 
16. 20 Nov. 1902. 
Relationship, Clues to, see Rusts, Heteroecious , clues. . . . 
Report of the State Botanist 1901. Charles H. Peck. N. Y. 
State Mus. Bull. 54:931-984. pi. K — L, 77-81. Nov. 1902. 
Resistance to High Temperatures of spores and mycelium, see 
Notes on the Comparative. . . . 
Rhachomyces anomalus Thaxter n. sp., on Conosoma pubescens 
Payk; growing appressed on the bristles which cover the 
abdomen near its tip. Proc. Am. Acad. Arts & Sci. 38:25. 
June 1902. 
