44 MONOTROPEiE. [ Tolmlta. 



m 



9. AZALEA. Don. Hook, (Azaloit^ Sp. L,) 



Cat, 5-partitus. Corolla brevi-carapanulata, rcgularis. Stam, 5, basi corollas inserta, 

 recta, sequalia. AndiercB rima longitudinaii dehiscentes. Caps. 2~3-valvis, 2-3-locularis; dis- 

 sepimentis e niarginibus introflexis valvarum. — Frutex hmnilis, procumbens^ ramosissbmis ; 

 foliis persistentihus parvis coriaceis nitidis. Floves parvi, racemosi, termindles^ roseL 



F 



I. A. procumhens. — JLinn. — Purshy FL Am. v. 1. p. 154. Ettgl. Bot t. 865. BigeL FL 

 Bost. ed. 2. App. p. 82. Torrey, Fl. of Un. St. v. I. p. 232. 



Hab. Barren g^rounds from lat. 65° to the Arctic Islands. Dr. Richardson, Captain Sir E. Parry, §"c. 

 Newfoundland and Labrador. 2)r. Morrison. Banks' Islands and Mount Edgecombe, lat. 54". N.W, Coast. 

 Mr. Menzies. — This has been found on the White Mountains of New Hampshire by Drs. Bi^elow audBoott, 

 and by Mr. Greene. 



10. LEDUM. Z. 



Col. 5-dentaius persistens. Pet. 5, patentia. Stam. 10, receptaculo inserta. Filamenta 

 capillaria fequalia, recta. Stigma 5-lobuni. Capsula 5-locularis, S-valvis, valvis e basi sur- 

 sum dehiscentibus. Semina nunierosa scrobiculata. 



1. L.palustre; foliis oblongis linearibusve margine revolutis subtus ramisque jiinioribus 

 ferrugineo-tomentosis, stamina 5-10 corolla longioribus. Mich. — a. angustifolium^ foliis 

 linearibus, floribus decandris. — L. palnstre. Linn. — Pursh^ FL Am. v. I. p. 30. Hook. inFL 

 Land. 2d Ser. t. 210. — ^. latijblium; foliis oblongis staminibus non raro 5. — L. latifolium. 

 Ait. — Jacq. Ic. Bar. v. 3. p. 464. Pursh^ Fl. Am. v. 1, p. 300. BigeL FL Bost. ed. 2. p. 172. 

 Torrey, FL of Un. St v. p. 437. 



Hab. Chiefly in the more northern and barren regions. Dr. Richardson. Newfoundland. Miss Brenton. 

 Mr. Cormack. Labrador. Dr. Morrison. Kohlmeister. Hudson's Bay (Z>r. Richardson) to the Arctic sea- 

 shore and Islands {Dr. Richardson^ Captain Sir. E. Parry ^ Sfc); often, however, mixed with specimens 

 which cannot be distinguished from 3. Cape Newenham. N. W. Coast, lat. 59*^'. Mr. Menzies- Rocky Moun- 

 tains. Drummond. Fort Vancouver on the Columbia. Dr. Scouler. Chamisso's Island in Behring's Straits. 

 Chamisso. — Much used as a substitute for tea : the narrow-leaved var, is said by Dr. Richardson to be 

 preferred. 



Ord. LV. MONOTROPEiE. Nutt 



1. TOLMIEA. {nov. Gen.) 



Calyx profunde S-partitus, laciniis longis linearibus demum foliaceis persistentibus. Cor. 

 5-petala, petalis obovatis patentibus decidiiis. Stam. 10 hypogyna, AnthercB basi insertse, 

 biloculares, longitudinaliter dehiscentes, fissura superne latiore. Ovarium globosum liberum. 

 Stylus elongatus, (siccitate) spiraliter tortus. Stigma dilatato-capitatum. Capsula S-loba, 

 5-locularis, loculis medio longitudinaliter dehiscentibus. Beceptacida axilia. Semina nu- 

 nierosa, scrobiculata. — Frutex glaber, ramis lignosis cortice laxo deciduo ohtectis. Folia 



