MONOECIA, POLYANDRIA, 5 ie 
_ sidnally, or in afew species, altogether entire; flowers 
verticillated by 3’s, the upper ones masculine, the lower 
fewer and feuiipisia: Sap lactescent? - > 
Species. 1.S. sagittifolia. g. latifolia. 2. obtusa. Mas: 
culine scape branched at the base. Sap lactescent, hard- 
ening into a white and hyaline gum. 3. Aastata, Pu. ‘ 
gracilis. §. gracilis, Pa. 4. pubescens. Mubl. Catal. v. 5. 
In Herb. Muhl. The whole plant is pubescent; but still’ 
apparently nothing more than a variety of, sagitt ifolia. 5. 
heterophylla. 6. lancifolia. 8. te te Pu. and 8. falcata, 
Persoon, 2. p. ai 7. rigida, Pu. 8. graminea, Mich. 
S. simpler? Pu. 9. acutifolia, Pa. Leaves acutely subu- 
late, rigid, rarely natant; scape simple, longer than the 
leav es; flowers monoicous, all pedynculate, female ones 
a stamina 12 to 15. §. acutifolia ?.Lin. suppl. p..419. (Al- 
enous to Surinam.) Has. Extremely abundant 
the: « re of the Delaware, below tide water mark. 
10. * pusilla. Leaves linear, obtuse and short, the sum- 
mits foliaceous; scape simple, shorter than the leaves; 
flowers monoicous, few; female flower solitary, deflected; 
stamina mostly 7. Has. With the above, in the vicinity 
idelphia. Aisma subulata, Pu. Probably not of n 
whose synonymn accords better with S acutifo 
of Pursh. Ons. The whole piant only 1 to 3 inches hi, 
leaves rarely ever subulate, scarcely a line wide, and amd 
tuse; male flowers 3 to 6; female 1, recurved. Flower. 
ing in July and August. 11. netang. 
Of tiis genus.theré are 2other species, one of them 
in- India, the other indigenous.to the alpine lakes of Dau- 
ria and scarcely distinct from S. natgns.  S&. sagen’ is. 
also common to Europe, 
ey 
ae 
ir i. 
ea 
75%. QUEREUS, L, (Oak.) | 
“Mase. Calix mostly 5-cleft. iil’ none. 
Slama. 5to 10, Fm. Calix 1-leaved, entire, 
scabro: Corolla none. Styles 2 to.5. Nut | 
for gland) coriaceous, mostly surrounded at the : 
base by the persistent calix. — we 
_ Trees or rarely shrubs; leaves deciduous or sempervi- 
rent, entire or sinuately lobed; aments ax —-- 
* lous, flowers distinct —(In Q. Suber, the bark is th - 
rayne 2 lado re etree ofS 
wh as & material. 
