ILLUSTRATIONS. XI 



Page. 



Fig. 201. P. luddum*. 198 



202. Distribution of P. luddum 199 



203. P. sphagnicola 200 



204. Distribution of P. sphagnicola 200 



205. P. spretum 202 



206. Distribution of P. spretum 202 



207. P. lindheimeri 203 



208. Distribution of P. lindheimeri 204 



209. P. leucothrix 205 



210. Distribution of P. leucothrix 206 



211. P. longiligulatum 206 



212. Distribution of P. longiligulatum 207 



213. P. wrightianum ., 207 



214. Distribution of P. wrightianum 208 



215. P. meridionale 211 



216. Distribution of P. meridionale 211 



217. P. albemarlense 212 



218. Distribution of P. albemarlense 213 



219. P. implicatum 213 



220. Distribution of P. implicatum 214 



221. P. huachucae 215 



222. Distribution of P. huachucae 216 



223. P. huachucae silvicola 217 



224. Distribution of P. huachucae silvicola. 218 



225. P. tennesseense 219 



226. Distribution of P. tennesseense 219 



227. P. lanuginosum 221 



228. Distribution of P. lanuginosum 222 



229. P. acuminatum 223 



230. P. auburne 223 



231. Distribution of P. auburne 224 



232 . P . thurowii 224 



233. Distribution of P. thurowii 225 



234. P. olivaceum 225 



235. P. praecocius 226 



236. Distribution of P. praecocius 227 



237. P. subvillosum 227 



238. Distribution of P. subvillosum 228 



239. P. occidental 229 



240. Distribution of P. occidentale 229 



241. P. padficum 230 



242. Distribution of P. padficum 230 



243. P. thermale 231 



' 244. Distribution of P. thermale 231 



245. P. languidum 232 



246. Distribution of P. languidum 232 



247. P, villosissimum 234 



248. Distribution of P. villosissimum 235 



249. P. pseudopubescens 236 



250. Distribution of P. pseudopubescens 236 



251. P. ovale 237 



252. Distribution of P. ovale 238 



253. P. scoparioides 238 



