Gnaphalium. COMPOSITiE. 429 



Plains of the Platte towards the Rocky Mountains, and near St. Barbara, 

 California, Nutlall. — Said to be nearly allied to G. spicatum, and therefore 

 perhaps not distinct from G. purpureum. 



12. G. sylvaticum (Linn.) : stem simple, herbaceous, erect, leafy, toraen- 

 tose; leaves linear-lanceolate or linear, woolly beneath or on both sides; 

 heads axillary, sessile [forming a leafy spike]. DC. I. c. — Wahl. Jl. Lapp, 

 p. 203 ; (Fi.'Dan. t. 254 S^- 1229;) Schkuhr, handb. t. 243. 



Greenland! and Labrador! (Herb. Schwemilz !) li — Pursh is surely 

 mistaken in giving this species as a native of New York and Canada ; in 

 stony woods. 



§ 2. Pistillate flowers in a single series : achenia obovoid, obcompressed. — 

 HoMALOTHECA, Endl. (Omalotheca, Cass., DC.) 



13. G. supinum ( Villars) : caespitose; flowering stems simple, slender, 

 woolly above; leaves linear, woolly ; heads oblong, solitary, or few and spi- 

 cate-racemose ; scales of the involucre lanceolate-oblong, acute, brown ; 

 achenia minutely hairy. — Vill. Delph. 3. p. 192; Engl. hot. t. 1193; 

 Hook. fl. Bor.-Am. I. p. 329. G. pusillum, H(enke ; Schkuhr, handb. t. 

 267. Omalotheca supina, jDC./proo^r. 6. p 245. 



Labrador, Dr. Morrison. Greenland, Herb. DC. Dry ravine of the 

 Anionoosuck, White Mountains of New Hampshire, Nuttall ! (where it has 

 not since been found.) — li Plant 2-4 inches high. 



159. ANTENNARIA. Gcertn. (excl. spec.) ; R. Br. in Linn, trans. I. c. 



Heads many-flowered, dioecious ; the corolla tubular, 5-toothed, in the 

 pistillate flowers filiform. Scales of the involucre imbricated, scarious, 

 colored. Receptacle convex or nearly flat, alveolate. Style in the fertile 

 flowers 2-cleft ; in the staminate simple and undivided, or nearly so. Ache- 

 nia nearly terete. Pappus a single series of bristles, in the pistillate flowers 

 capillary, in the staminate clavate or barbellate at the apex. — Perennial 

 tomentose-canescent herbs; wilh alternate entire leaves, and corymbose (or 

 sometimes solitary) heads. Involucre white, rose-color, or brownish, never 

 yellow. Corolla yellowish. 



§ 1. Fertile heads mostly with a few imperfect staminate flowers in the centre : 

 pappus in the sterile plant somewhat obscurely clavate : stems erect, not 

 ccespilose or stoloniferous. — Margaripes, DC. 



\. A. margaritacea (R. Br. 1. c.) : stem woolly-tomentose, corymbose at 

 the summit ; leaves linear-lanceolate, tapering to an acute point, 1-3-nerved, 

 with revolute margins; the upper surface at first arenose-woolly ; the lower 

 tomentose; scales of the involucre nearly white, in the fertile plant obtuse, 

 in the sterile rounded at the summit. — Hook. ! fl. Bor.-Am. 1. p. 329 ; DC. ! 

 prodr. 6. p. 270. Gnaphalium margaritaceum, Linn. spec. 2. p. 850 ; 

 Michx. ! fl. 2. p. 127 ; Engl. bot. t. 2018 ; Pursh, fl. 2. p. 524 ; Darlingt.) 

 fl. Cest. p. 494. G. Americanum, Ciusius, hist. 1. p. 327, /. 3. 



Dry woods and fields, Canada! Hudson's Bay, and Newfoundland! to 

 the mountains of ihe Southern States! and west to the Rocky Mountains! 

 Unalaschka ! and Oregon ! (Also naturalized? in Europe.) Aug.-Oct.— 

 Stem 1-2 feet high. Tlie sterile plant, which is scarcely known in Europe, 

 is here nearly as abundant as the fertile. — Everlasting. 



