PLANTAGINACEAE 1245 
II. VIRGINICA 
Plant with spatulate, obovate or elliptic, usually repand den- 
ticulate leaf-blades, and obtuse calyx-lobes 3. P. virginica. 
ARISTATA 
Rigid plant with narrow entire Tear nines aa a stiff spike E 
with long spreading bracts. 4. P. aristata. 
IV. LAN 
Plant with narrow EU and short ms Spikes which 
terminate wiry pedune 5. P. lanceolata. 
V. MAJORE 
DAROEN EEES of the leaf-blades free and anes from the mid- 
Spikes m eee bracts much shorter than . 
the calyx: seeds 2 6. P. sparsiflora. 
Spikes a pe least above the base: bracts one half 
the length of the calyx or more: seeds 4—18. 
Capsules conic or ellipsoid-conic, circumscissile below the 
i T. P. Rugelü. 
psu ules” ovoid, circumscissile at about the middle 8. P. major. 
Lateral nerves of the Jeaf-blades partially confluent with the 
midrib. 9. P. cordata. 
. P. heterophylla Nutt. Leaves basal, 2-18 em. long; blades linear or nearly 
filiform, acute, entire or with several rem mote teeth or spreading narrow lobes, 
narrowed to the dilated base: ua usually 
5 ] 
numerous, 2-25 em. long, equalling or sur- 
passing the leaves: spike slender, 2-15 em. 
wer 
than th : 
erect, ovate, 0.5 mm. long, acute: capsule 
ellipsoid,. 3-3.5 mm. long, d rA be- 
low the middle: mes mainly 0.5-0.7 mm. 
ng, dark-red.—Moist soil, fields 2d past- 
CA rts Plain and adj. poem Fla. 
to T ; Ark,, and N. J.—Spr.- 
2. P. pusilla Nutt. Leaves e several 2— 
12 cm. long; blades linear or n arly filifor | 
blunt-tipped, entire, obscurely 1 nerve, sometimes early deciduous: scapes usu- 
ally. several together, nearly filiform, 5-25 em. long, pas mE iid br Di 
epa ~ spike rather loosely eed: slender: bracts , 1-1.3 
lon D8 A : flowers dioecious or polygamous: calyx- -lobes ov to spans, 
L . long, obtuse, Rer bord the bracts: corolla glabrous; lobes 
3— 
cect, lanceolate to ov a Eo ellipsoid or ovoid- -ellipsoid, about 
2 mm. long, circumscissile below middle: seeds 1—1.5 mm. long, dark-r din 
RD sandy soil, various it "da. to Tex., Kans., and Mas s.—Spr.-s 
3. P a L. Leaves basal, spreading or ascending, 1-15 cm. long; 
blades ane to obovate or elliptic, obtuse or acutish, entire or repand- 
dentieulate, 3—5-nerved, narrowed into margined petioles or nearly sessile: 
scapes P or mid 0.5-20 dm. tall, much surpassing the leaves: spike 
dense, sometimes interrupted below: flo owers dioecious: bracts linear-lanceolate 
to bue nda; lobes elliptic or ovate, 2—2 2.5 mm. long, obtuse, surpassing 
ate 
capsule ovoid or oval-ovoid, 1.5-2 mm. long,.circumscissile at about the middle: 
seeds 2-4, 1.3 mm. E M golden- yellow.—Dry soil, Fla. to Tex., Ariz., Mich., 
and R. I.—Spr.- 
