SlfNGENESIA SUPERFLUA. 



403 



ijuadrifidae. Pappus 

 Receptaculum setosum 



of 



the disk 4-cIeft* 





Pappus 0. Receptacle 



bristly. 



1. Erecta. 



ma 



E. erecta, diclioto- 



foliis 



strigosa; 



lanceolatis, basi atteii- olate 



Erect, dichotomous, 



leaves lance- 



strigose. 



uatis, ranter serratis 



base 



y 



attenuate 



at 



— ^.^j -^..vv.. .^^»iM,vio5 I "CISC, la 



pedunculis geminis, e- peduncles 



rarely serrate 



longatis. 



involucri foli 



I 



by 



olis ovatis, acuminatis. volucrum ovate 



Pursh. 



pairs, 

 long; leaves o'f the in- 



acu 

 minate. 



i 



Sp. pi. 3. p. 2217. Pursh, 2. p. 561. Nutt. 2. p. 169. 



^ 



Plant annual. Leaves opposite, sessile, lanceolate, serrate, triplinerved 

 remote. Perf«ncfc. by pairs, long. P/o^.^r^ small, white. £j/""^'^^^' 

 Grows in dry gravelly soils, Virginia to Florida. Pursh. 

 r lowers June — July. 



/ 



2. Procumbens. Mich. 



E. procumbens as- I Procumbent or as 

 surgensve; foliis longo. surgent; leaves Ion 

 lanceolatis, inferne an- 1 lanceolate, 

 gustatis, rariter serra- 



involucri foliolis 



flos 



narrowed 

 near the base, sparing- 

 serrate: leaves of 



tis 



acute lanceolatis; flos- j the involucrum acutely 

 cuhs quadrifidis. Mich. | lanceolate; florets qua- 



drifid. 



Mich. 2. p. 129. Pursh, 2. p. 562. Nutt. 2. p. 1 69. 



so,^!?!*"?"^?*^ u'^f^'" procumbent, one to two and a half feet long, terete, 



andt^h'^u '■^'u^^'^T'^^J^^"^^' *^^^"^'^«« numerous, opposite, ?adicant 

 and With the whole plant sprinkled with rigid appressed hairs. Leaves 

 ^sue, triplmerved opposite. Peduncles about an inch long, srenerally in 

 fivpl I "7^*"' ' '''^'''''^' opposite. Involucrum eight to ien leaved; 



■aves lanceolate, serrate, fringed, arr^gcd in one series but unequal in size. 



J- 



/ 



