XII ILLUSTKATIONS. 



Page. 



Fig. 254. Distribution of P. scoparioides 239 



255. P. shastense 239 



256. Distribution of P. shastense 240 



257. P. malacon 241 



258. Distribution of P. malacon ■. 241 



259. P. commonsianum 242 



260. Distribution of P. commonsianum 242 



261. P. addisonii „ 243 



262. Distribution of P. addisonii . 244 



263. P. wilmingtonense 244 



264. Distribution of P. wilmingtonense 245 



265. P. tsugetorum v . 245 



266. Distribution of P. tsugetorum 246 



267. P. columbianum . 247 



268. Distribution of P. columbianum 248 



269. P. columbianum thinium 248 



270. Distribution of P. columbianum thinium 249 



271. P. oricola 249 



272. Distribution of P. oricola 250 



273. P. sphaerocarpon 251 



274. Distribution of P. sphaerocarpon 252 



275. P. sphaerocarpon inflatum 254 



276. Distribution of P. sphaerocarpon inflatum 254 



277. P. polyanthes 255 



278. Distribution of P. polyanthes 256 



279. P. erectifolium , 257 



280. Distribution of P. erectifolium 257 



281 . P. tenue 259 



282. Distribution of P. tenue 260 



283. P. albomarginatum. 260 



284. Distribution of P. albomarginatum 261 



285. P. trifolium 261 



286. Distribution of P. trifolium 262 



287. P. flavovirens 262 



288. Distribution of P. flavovirens 263 



289. P. concinnius 263 



290. Distribution of P. concinnius 264 



291. P. ensifolium 265 



292. Distribution of P. ensifolium 266 



293. P. vernale 266 



294. Distribution of P. vernale 267 



295. P. curtifolium 268 



296. Distribution of P. curtifolium 268 



297. P. chamaelonche 269 



298. Distribution of P. chamaelonche 269 



299. P. glabrifolium 270 



300. Distribution of P. glabrifolium 270 



301. P. breve 271 



302. Distribution of P. breve 271 



303. P. pauciciliatum 272 



304. Distribution of P. pauciciliatum 272 



305 . P . lancearium 273 



306. Distribution of P. lancearium 274 



