SYNGENESIA ^QUALIS. 



^^ff ■ 



273 



^ Florihus spicatis I * Floioers in spik 



vel racemosis, radici- 

 bus tuherosis. 



or racemes: root tube 



rous. 



1. Spicata. Willd. 



L. foliis linearibus 



tire 



integerrimis, glabris, 



basi ciliatis, nervosis } at base, nerved and 



Leaves linear^ en- 



glabrous, ciliate 



flowers 



m 



et punctatis ; capitulis dotted 



spicatis; squamis in- spikes; scales of the 



volucri linearibus, ob- I involuerum linear, ob 

 tusis. 



tuse. 



1 



Sp. pi. 3. p. 1636. 

 Muhl. Cat. ? p. 70 

 Serratula Spicata. Lin. Gron. 



Root tuberous, perennial. Stem two to four feet high, simple, glabrous. 

 Leaves linear lanceolate, very narrow, acute, dotted, somewhat rigid, spa- 

 ringly fringed at base. Flowers in a terminal spike, somewhat scattered, 

 touch longer than the bracteal leaves. Involuerum cylindrical, about 8-flow« 

 ered, scales oblong, somewhat obtuse. Corolla bright purple, longer than 

 the involuerum, and witli the long style sprinkled with glandular dots. 

 Seeds furrowed, very hairy, crowned with the feathered pappus. 



Var. Macrostachya. Mich. 



Mich. 2. p. 91. Pursh, 2. p. 507. 



Stem 3 to 5 feet high. Leaves longer and narrower in proportion to their 

 length than in the preceding variety, and more conspicuously fringed, flow- 

 ers m a long terminal spike, on pedicels 1 to 2 lines long. To this specieg 



the figure of Dillenius Hort. Elth. 1. 12- (■ 83. appears to belong. 

 Grows in flat pine barrens. 

 Flowers, August — October. 



«> 



2. Pycnostachya. 



L. 



caule 



simplici, 



hirsuto; foliis strictis, 

 angusto-Iinearibus, pu- 

 bescentibus; spica lon- 

 ~a, floribus confertim 

 sessilibus; involucris 



Stem simple, hairy: 

 leaves straight, narro>v 



linear. 



i5"7 



pubescent; 



spike long, flowers chis 

 tered, sessile; involii 

 crura appressed, squar 



VOL. II. 



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