plane face. (Fig. 108a) — ^Incl. E. Cervantesil of Chapman’s 
Manual. 
Sandy soil, from Georgia and Florida to Louisiana and Missouri ( Tracy). 
Apparently flowering from March through the season. 
This species is very variable in foliage, the extreme forms with fili- 
form leaf-segments being the E* Cervantesil of Chapman’s Manual, but no 
line of separation can be drawn to distinguish even a variety. 
22. E. prostratum Nutt. DC. Prodr. i\ . 92. Prostrate^ 
rooting at the joints, diffusely branched : lower leaves long-petioled, 
oblong, entire, few-tootheJ, or lobed at base; upper leaves smaller, 
clustered at the rooting joints, ovate, few-toothed or entire, with 
some additional trifid ones: heads narrowly oblong (about 3 lines 
lon<^b with involucre of rcflexed lanceolate bracts longer than the 
heads, and very small bractlets: fruit tuberciuate, half a line long. 
—B. Baldwinii var. 8. Torr. & Gray, FI. i. 605. 
Wet places, Kentucky (Short), West Tennessee (Oattinger), S. E. Mis- 
souri {Engelmttnii), Ai’kansas {NuttciU, Harvey, Hasse), Texas {Hall), 
Louisiana {Drummond, Joor, Lang lots), Georgia (.Boykin), and Florida 
{(■room, Rugel). 
In Pi. Wright, i. 78 . Dr. Gray speaks of this species as probably dis- 
tinct and the E. Americanum oi Walter. In his Bibl. Index Mr. Watson 
also refers Walter’s E. Americanum doubtfully to E. prostratum. The fact 
is, there is no E. Americanum Walter. That name was first used by 
Sprengel in Eoem. & Schult. Syst. and referred by him to Walter, but he 
copied the description of Walter’s E. integri folium. Therefore all the E. 
Americanum Vi alter of our literature is E. integrifolium Vi alter, and what 
that is seems impossible to determine. As Walter describes a prostrate 
form with upper leaves trifid, he may have been referring to some form of 
E. Baldwinii, which seems to conform better to' his description than E. 
prostratum. But ^Valter’s description is so meagei, and the two species 
in question so variable, that there seems to be no way of positively deter- 
mining which one of them is E. integrifolium Walter. 
30. SANICULA Linn. Gen. n. 326.— Smooth perennials, 
witb almost naked or few-leaved stems, mostly palmate (pinnate 
in two species) leaves witb more or less pinnatifid oi incised lobes, 
involucre and involucels present, and greenisb-yellow or purple 
flowers in irregularly compound few- rayed umbels. 
^ Atlantic species .' oil-tubes always 5 (3 doTsal ana 2 ccht- 
missural) : leaves palmately divided. 
1. S. Marylandica L. Spec. 235. Mostly simple, 1 to 3 
