22 



254. Calamint. 



319. Balsam poplar, tacamahac, balm-of-gilead 



255. Basil. 



poplar. 



256. Wild bergamot. 



320. Red pine. 



257. Cat-mint, catnip. 



321. White pine. 



258. Heal-all, self-heal. 



322. Balsam fir. 



259. Skullcap. 



323. Hemlock spruce. 



260. ( 'ommon skullcap. 



324. Black or double spruce. 



261. Mad-dog skullcap. 



325. White or single spruce. 



262. Skullcap. 



326. Tamarack, American or black larch, hack 



263. Hemp-nettle. 



matack. 



264. Stick-seed. 



827. Arbor vita?, white cedar. 



265. Hounds-tongue. 



328. Juniper. 



266. Beggar's lice. 



329. Ked cedar, savin. 



267. Waterleaf. 



330. American yew, ground hemlock. 



268. Canadian water-leaf. 



331. Indian turnip. 



269. Hedge bindweed. 



332. Water arum. 



270. Common nightshade. 



333. Sweet Aug, calamus. 



271. Ground cherry. 



834. Cat-tail flag. 



272. Spurred gentian. 



335. Branching bur-reed. 



273. Smaller fringed gentian. 



336. Floating bur-reed. 



274. Soapwort gentian. 



337. Comb pondweed. 



275 Buckbeau. 



338. Bobbin's pondweed. 



276. Spreading dogbane. 



339. Slender pondweed. 



277. Indian hemp. 



340. Few-flowered pondweed. 



278. Milkweed. 



341. Flat pondweed. 



279. Swamp milkweed. 



342. Shield-leaf pondweed. 



280. White ash. 



343. Shining-leaved pondweed. 



281. Black ash, water ash. 



344. Clavton's pondweed. 



282. Wild ginger. 



345. Arrowgrass. 



283. Lamb's quarters, pigweed. 



346. Water plantain. 



284. Strawberry blite. 



347. Variable arrow-head. 



285. Prince's feather. 



348. Small northern arrow-head. 



286. Water persicaria. 



349. Waterweed. 



287 Penn-ylvanian persicaria. 



350 Tape grass, eel grass. 



288. Lady's thumb. 



351. Dwarf orchis. . 



289. Smartweed. 



352. Large rouud-leaved orchis. 



290. Knotgrass, goose-grass. 



353. M orthern green orchis. 



291. Branching joint- weed. 



354. Northern white oichis. 



292. Airow-leuved tear-thumb. 



355. Small purple-fringed orchis. 



293. Bitter dock. 



356. Rattlesnake plantain. 



294. Curled dock 



357. 



295. Great water-dock. 



358. Ladies' tresses. 



296. Field or horse-sorrel. 



359. Northern tway-blade. 



297. Leatherwood, moosewood. 



360. Coral-root. 



298. Shepherdia. 



361. Large yellow lady's slipper. 



299. Bastard toadflax. 



362. Small yellow lady's slipper. 



300. Vernal water star-wort. 



363. Large blue flag. 



301. Slippery or red elm. 



364. lilue-eyed grass. 



302. American or white elm. 



365. Nodding tiillium, wake robin. 



£03. Tall wild nettle. 



366. Purple trillium, birth-root. 



304. Wood nettle. 



367. Indian cucumber-root. 



305. Red oak. 



368. Smaller Solomon's seal. 



306. American beech. 



369. False spikenard. 



307. Beaked hazlenut. 



370. Star lily. 



308. Hop hornbeau, lever-wood, iron-wood. 



371. Three-leaved smilacina. 



309. Sweet gale. 



372. Two-leaved smilacina. 



310. Paper birch, canoe birch. 



373. Northern clintonia. 



311. Yellow birch. 



374. Wild leek. 



312. Cherry birch, sweet or black birch. 



375. Wild orange lily. 



313 Speckled or hoary alder. 



376. Smooth green twisted stalk. 



314. Hoary willow. 



377. Ro.^y flowered twisted stalk. 



315. Heart-leaved willow. 



378. Zygadene. 



316 Stalk-fruited willow. 



379. False asphodel. 



317. American aspen. 



380. Pickerel-weed. 



318. Large-toothed aspen 



381. Pipewort. 



