Aug. 16, 1920 Further Data on the Orange-Rusts of Ruhus 



505 



Table I. — Place and time of collection, host, manner of germination, and color of the 

 aeciospores in m.assfor most of the specimens collected in igi^ and igi8 



Place of collection. 



Falmouth, Mass 



Arlington, Va 



Massachusetts 



Berlm.Md 



Hyattsville, Md 



West Falls Church, Va. 



Auburn, Ala 



Fayetteville, Ark 



Potomac Heights, D. 



C. 

 Morgantown, W. Va. . 



Blacksburg, Va 



Ithaca, N.V 



Blacksburg, Va 



West Falls Church, Va. 



Gainesville, Fla 



Ithaca, N. Y 



Chico, Calif 



Ithaca, N. Y 



Arlington, Va 



Berkeley, Calif 



Hanunonton, N. J 



Fayetteville, Ark 



West Falls Church, Va. 

 French Creek, W. Va. 

 Congress Heights, D. 

 C. 



Connellsville, Pa 



Chico, Calif 



Vienna, Va 



Bryan, Ohio 



Cameron, N. C 

 Athens, Ohio. . . 

 Blacksburg, Va. 



Chico, Calif , 



Arlington, Va , 



Ithaca, N.Y 



Mountain Lake, Va. . 

 French Creek, W. Va 



Blacksburg, Va , 



Do 



Vienna, Va 



Ithaca, N.Y... . 

 Blacksburg, Va. 



Janassee Junction, 



Ga. 



Thunderbolt, Ga 



Hyattsville, Md 



Do 



Blacksburg, Va 



Vienna, Va 



Willard, N. C 



Connellsville, Pa 



Auburn, Ala 



Butte Creek Canyon, 



Calif. 



Stark, Fla 



Blacksburg, Va 



Thunderbolt, Ga 



Hyattsville, Md 



Blacksburg, Va 



Hammond, La 



Orlando, W. Va 



Ithaca, N. Y 



Blacksburg, Va 



West Falls Church, Va 



Arlington, Va 



Do 



French Creek, W. Va. 



Madrid, Me 



French Creek, W. Va. 

 Glen, N. H 



Time of 

 collection. 



June 20: 

 June, 

 June 27 

 June 8 

 June IS 

 May 21 

 Apr. 27 

 Jime 7 

 June, 



June 7 



June II 



Jtme 4 

 May 25 

 May 21 

 Mar. 25 

 June, 

 May I 

 Jime 4 

 June, 

 Mar. 30 

 June 20 

 June 7 

 May 21 

 Jime 8 

 May 20 



June 6 



May 19 

 May 21 

 Jtme 12 



June 4 

 June II 

 do. 



May I 

 Jime, 



do. 



June II 

 June 8 

 June II 

 do. 



do. 



June 4, 19 

 June 11,19 



May 14, 19 



Mar. 17,19 

 June IS, 19 



do. 



June II, 19 

 May 29, 19 

 June 26, 19 

 June 8,19 

 Mar. 4, 19 

 May 19, 19 



191 7 

 June 1 1 , 19 

 Mar. 17, 19 

 June IS. 19 

 May 2s, 19 

 Mar. 29, 19 

 June «, 19 

 June 4, 19 

 June 12, 19 

 May 21, 19 

 June, 19 



do. 



June 8,19 

 July 3,19 

 June 8,19 

 June 22, 19 



Host. 



Wild dewberry 



Wild blackberry 



....do 



Cultivated blackberry. 



Wild dewberry 



....do 



....do 



Wild blackberry 



....do 



Cultivated blackberry, 

 variety Eldorado. 



Cultivated blackberry, 

 variety Iceberg. 



Wild blackberry 



....do 



....do 



Rubus cuneifolius 



Wild blackberry 



R. ursinus 



Wild dewberry 



Wild blackberry 



R. parviflorus 



Cultivated blackberry. 



Wild blackberry 



....do 



Wild dewberry 



Wild blackberry 



....do 



R. ursinus 



Wild blackberry 



Cultivated blackberry, 



Wild blackberry 



....do 



Cultivated blackberry, 



variety Early King. 



R. ursinus 



Wild blackberry 



Wild dewberry 



R. americanus 



Wild dewberry 



Cultivated blackberry . 

 Cultivated blackberry, 



variety Mersereau. 

 Cultivated blackberry . 



Wild blackberry 



Cultivated blackberry, 



variety Ancient 



Britain. 

 Wild blackberry 



R. procumbens 



Wild dewberry 



Wild blackberry 



Cultivated blackberry 



Wild blackberry 



do 



do 



do 



R. ursinus 



Wild blackberry 



....do.. 



R. hispidus 



Wild blackberry 



....do 



do 



do 



do 



do 



Cultivated blackberry 



Wild blackberry 



do 



do 



do 



Black raspberry. 

 R. nigrobaccus. . . 



Manner of 

 germination. 



Promycelia. 



...do 



...do 



....do 



....do 



....do 



....do 



....do 



....do 



.do. 



.do. 



.do 



.do 



.do 



.do 



.do 



.do 



.do 



.do 



.do 



.do 



.do 



.do 



.do 



.do 



Color of spores in 

 mass. 



Cadmium orange. 



do 



do 



do 



do 



do 



do 



do 



do 



.do. 



....do 



....do 



....do 



Germination 



very poor. 



Promycelia... 



do 



....do 



.do 



.do 



.do 



.do 



.do 



.do 



.do 



.do. 

 .do. 

 .do. 



.do. 



.do. 

 .do. 

 .do. 

 .do. 

 .do. 

 .do. 

 .do. 

 .do. 

 .do. 



.do. 

 .do. 

 .do. 

 .do. 

 .do. 

 .do. 

 .do. 

 .do. 

 .do. 



.do 



.do 



.do 



do 



Germ tubes. 



do 



do 



.do. 



.do. 

 .do. 

 .do. 

 .do. 

 .do. 

 .do. 

 .do. 

 .do. 

 .do. 

 .do. 

 .do. 

 .do. 

 .do. 

 .do. 



Plate 



No. 



do 



do 



do 



Color faded. 



Cadmium orange. 



do 



do 



..do. 

 ..do. 

 ..do. 

 ..do. 

 ..do. 

 ..do. 

 ..do. 



.do. 

 .do. 

 .do. 



.do. 



.do. 

 .do. 

 .do. 

 .do. 

 .do. 

 -do. 

 .do. 

 .do. 

 .do. 



do 



do 



do 



do 



do 



do 



do 



do 



do 



do 



do 



do 



do 



Xanthine yellow 



do 



do 



93 -fig- 1 

 93 > fig- 2 

 93 r fig- 3 

 93 > fig- 4 

 93. fig- S 

 93. fig- 6 

 93, fig- 7 

 93, fig- 8 

 93, fig- 9 



93, fig. 10 

 93, fig- II 



93, fig. 13 

 93. fig- 13 

 93, fig. 14 

 93. fig- IS 

 93, fig. 16 

 93. fig- 17 

 93, fig. 18 

 93, fig. 19 

 93 , fig. 20 

 93, fig- 21 

 93, fig. 23 

 93. fig- 23 

 93, fig. 24 



93jfig-2S 



93, fig. 36 

 93. fig- 27 

 93, fig. 28 

 93, fig- 29 



93, fig- 30 

 93, fig- 31 

 93, fig- 32 



93, fig- 33 

 93. fig- 34 

 93, fig- 35 

 93, fig- 36 

 93, fig- 37 

 93, fig- 38 

 93, fig- 39 



93, fig. 40 

 93, fig. 41 

 93. fig- 42 



93. fig- 43 



93. fig 

 93, fig 

 93. fig' 

 93, fig' 

 93, fig 

 93, fig 

 93. fig 

 93. fig 

 93. fig 



93. fig 

 93. fig 

 93, fig' 

 93, fig' 

 93, fig' 

 93, fig' 

 93. fig 

 93, fig' 

 93. fig 

 93. fig 

 93. fig 

 93. fig 



93 , fig 

 94- fig' 



94, fig 

 94, fig 



183719°— 20- 



