GROUT 



SOME COMMON MOSSES 



229 



(4) Re Supervision of Home Gardens — (1) What plan of supervision did you 

 carry out? (2) What effects were observed on the work of the pupils and the 

 interest of the parents? 



Then follows space for the Teacher's Endorsement, to the follow- 

 ing statement : 



I hereby certify that I have carried out to the best of my ability the instruc- 

 tion in agriculture as required under the regulations set forth in Circular 13 

 and that the above is a true statement of work done in this school. 



Some Common Mosses II 



THE HAIR-CAPS 

 A. J. Grout 



To select from several hundred species of mosses found in the 

 Eastern United States those that are most interesting and most 

 likely to be met with by the greatest number of people, is something 

 of a task. The Hair-caps (Polytrichacece) are chosen because they 

 are our largest species, and are very common where there is 

 moisture enough for ordinary vegetation. 



The Hair-caps are so called because the calyptra is covered with 

 a dense felt of fine hairs that nearly or quite covers the neiter 



Fig. 1. Polytrichum piliferum X5, young sporophytes. 



