IVol. 7, 1920] 

 244 ANNALS OF THE MISSOURI BOTANICAL GARDEN 



Explanation of Plate 

 plate 4 



Fig. 24. S. proliferum. Type. 



Fig. 25. S. caespitosum. Type. 



Fig. 26. S. fuscum. Specimen collected at Middlebury, Vt., by E. A. Burt. 



Fig. 27. S. rufum. Specimen collected at Middlebury, Vt., by E. A. Burt. 



Fig. 28. fS. Pint. Specimen collected at Chocorua, N. H., by W. G. Farlow, 37. 



Fig. 29. S. purpureum. Specimen collected at North Ferrisburg, Vt., by E. A. 

 Burt. 



Fig. 30. S. rugosiusculum. Specimen collected at Creve Coeur Lake, Mo., by 

 E. A. Burt. 



Figs. 31 and 32. S. Murrayi. Fig 31, old reflexed specimen collected at Grand 

 View Mt., Vt., and Fig. 32, resupinate specimen collected at Ripton, Vt., both by E. 

 A. Burt. 



Fig. 33. S. saxitas. Type. 



Figs. 34 and 35. S. styracifluum. Fig. 34, type; Fig. 35, specimen collected at 

 Auburn, Ala., by F. S. Earle & C. F. Baker. 



Fig. 36. S. gausapatum. Specimen collected at Toronto, Canada, by T. Langton. 



Fig. 37. S. australe. Type. 



Figs. 38 and 39. S. rugosum. Fig. 38, specimen collected at Ithaca, N. Y. by 

 G. F. Atkinson; Fig. 39, reflexed specimen collected in Epping Forest, England, by 

 E. A. Burt. 



