1132 HELIOTROPIACEAE 
4. HELIOTROPIUM [Tourn.] L. Shrubs or erect, diffuse, or prostrate 
ii Leaves few or many: blades broad or narrow. Calyx-lobes nearly 
Stamens adnate to the lower part of the corolla-tube. Style very short. 
n 4-lobed, an aggregate of 4 nutlets.—About 125 species, widely dis- 
tributed.— HELIOTROPES. 
Inflorescence bractl 
red glabrous: alate finely wrinkled: leaf-blades nar- 
ro 1. H. curassavicum. 
Calyx A nutlets tuberculate: leaf-blades broad. 2. H. europaeum. 
iaorescomë bracted. 
Corolla itt 
P with small puberulent swellings low down in 
3. H. phyllostachyum. 
Corolla with pr ominent deflexed appendages at the top 
OP at. 4. H. polyphyllum. 
Corolla yellos 
Plant with erect stem and braneh 5. H. Leavenworthii. 
Plant with prostrate stem and Bandes 6. H. horizontale. 
H. curassavicum L. ees perennial or mainly so, 1-4 dm. tall: leaf- 
Bie spatulate, varying to obovate or po mainly 2-6 em. long: calyx- ree 
ge to elliptic-la Sco 1.5-2 
long: corolla white, V t the yellow eye; 
f 
Ens "S s about mm. long: 
2-2.5 m vid ° Srann -HELIOTROPE.)— 
Hammocks, ew and 1 vaste-places, Coastal 
Plain and adj. provi is Fla. to Tex. and 
Del.—(W. I., Mez., C. A., S. A.) 
europaeum L. Plant annual 1-5 
a - 
ae tube fully 2 m m. long: fruit about 
3 wide.—W aste- pM and pr 
jd provinees, Fla. to Ala. and Mas 
Nat. of Eu. 
3. H. phyllostachyum Torr. Plant annual, 0.5-2 dm. tall: leaf- Mens elliptie, 
- 2.5 em. long: calyx Toves lanceolate, | or the larger one ovate-lanceolate, 2—3 
d coe ie, tube 2-3 mm. long; lobes about 1 mm. 1 ong: fruit 
iban t 1.5 mm. wide. —Hammocks ino "waste: -plaees, Key West, Fla. 
H. polyphyllum mu Perennial, 1-2 dm. tall: leaf-blades linear-spatu- 
late to elliptic, 0.5—2 em. long: Lb. lobes lanceolate to ee -lanceolate, 2—2.5 
m. long: corolla white; tube 3—4 mm. long: fruit 1.5 mm. wide. d stal ham- 
mod. Everglade Keys, Fla. and Florida Keys.— (S. A —AI y ea 
5. H. Leavenworthii Tor Plant with pale-pubescent erect stems; 2-11 dm 
tall: leaf- n linear T med Pu 1-2 em. long: flowers 1 inodorous: calyx 
lobes lanceolate, 3—4 mm. lon rolla bright-yellow; lobes ovate, obtus 
ng: 
wW hammocks ‘and wet E one in Everglades, S pen. Fla. and Florida 
Keys.—All yea 
6. H. horizontale Small. Plant with radially us Eq 1-5: em. 
2 das matted: leaf-blades linear - nearly so, 0.8-1 long: is 
ragra : ealyx-lobes lanceolate, 4-5 mm. long: ce culo es yellow. —Pine- 
lands Ed Keys, Fla.—All year 
