﻿12 BOTANICAL GAZETTE [January 



9. PucciNiA Chloridis Spcg. from Chloris verticillata Nutt. 

 was sown on Qiiamasia hyaci?ithi?ia, with no infection, 



10. PucciNiA Sporoboli Artli, from Sporoboltis heterolepis 

 Gray was sown on Isopymm bite}7iatum^ Oxalis cymosa, Xanthoxy- 

 lum americaiinm^ Ribes Cy?iosbati^ Cassia Chamae crista^ Symphori- 

 carpos racemosus^ Verbe?ia tirticifolia^ Senecio obo vatus^ Solidago 

 rigida, Helia?ithiis Maximilia?n, Boltonia asteroideSy and Brauneria 

 purpurea, with no infection. 



11. PucciNiA PURPUREA Ckc, from Tripsactim dactyloides L, 

 was sown on Zea Mays, with no infection. 



12. PucciNiA Stipae Arth. from Stipa spartea Trin. was sown 

 on A escuhis glabra , Cassia Chamae crista , Ps or ale a Oiiobrychis, 

 Symphoricarpos racemosus , Hydrophyllum appendiciilatum , Xa7i - 

 thium caitadeiise, Boltojiia asteroides, Lacinana scariosa, and Braun- 

 eria purpurea, with no infection. 



13. PucciNiA Paniculariae Arth. from Panicularia americana 

 (Torr.) MacM. was sown on Boltonia asteroides, with no infec- 

 tion, although three sowings were made at different dates and 

 with all conditions apparently favorable. This seems to con- 

 tradict the inference of the writer drawn from field observations 

 (Bull. Torr. Bot. Club 28: 664). 



14. PucciNiA EMACULATA Schw, from Pantcum capillars L. 

 was sown on Impatiens aurea, Lactuca canadensis, and EupaioriufU 

 perfoliatum, with no infection. 



15. PucciNiA PoLYGONi-AMPHiBii Pers. ixoxi\ Polygonufu efner- 

 sum (Mx.) Britt. was sown on Polygonum pe7insylva7ncum and P- 

 virgifiianum, with no infection. 



Twelve species of rusts were successfully grown, that have 

 been studied with success before, and reported upon by the 

 writer and others. They are enumerated here by way of con- 

 firmation, and also in some cases because additional hosts are 

 included. The list is as foUow^s : 



I. Uromyces Euphorbias C. and P. — June 19, aecidiospores 



Euphorbia 



J 



marginata, with no infection. July 11, aecidiospores from 



