EUPHORBIACEAE 261 



368. PIIYL.L.Atf'THIJS, L. 



[Gr. Phyllon, leaf, and Anthos, flower; the flowers often borne on apparent leaves.] 

 Floioers monoicous: Calyx 5- or 6-parted, alike in all. Stamens 

 mostly 3 ; filaments united in a column, surrounded by 5 or 6 glands, 

 or a 5- or 6-lobed glandular disk. Ovary seated on a glandular 

 disk, 3-celled; cells 2-ovuled; styles 3, mostly bifid. Capsule sepa- 

 rating into 3 carpels, which split into 2 valves. Leaves alternate, 

 simple, with small stipules ; flowers ochroleucous, minute, in axillary 

 clusters. 



1. P. Carolinensls, Walt. Stem slender, smooth; leaves 

 clliptic-obovate, obtuse, entire, on short petioles. 

 CAROLINA PHYLLANTHUS. 



Annual. Stem 6 to 12 inches long, terete, rather rigid, often dark purple, 

 branching, or nearly simple, the alternate spreading branches, and leaves, 

 uistichously arranged. Leaves %to%of an inch long ; petioles scarcely a line in 

 length ; stipules minute, ovate-lanceolate, acuminate, flowers subsessile, 2 to 4 

 in each axil, staminate and pistillate intermingled.. Capsules depressed-orbicular. 

 Hub. Moist grounds ; Londongrove : rare. Fl. July. Fr. Sept. 



369. ACAL/YPIIA, L. 



[An ancient Greek name for the Nettle ; applied here.] 



Flowers monoicous, axillary, surrounded by a conspicuous persis- 

 tent involucre-like bract. STAM. FL. very small, in an interrupted 

 pedunculate little spike, with a pistillate flower mostly at its base. 

 Calyx 4-parted. Stamens 8 to 16, very short, united at base. PIS- 

 TILLATE FL. Calyx 3-parted; lobes connivent, persistent. Ovary 

 3-celled; cells 1-ovuled; styles 3, fringed. Capsule 3-lobed, separa- 

 ting into 3 globular carpels. Leaves alternate, stipulate. 



1. A. Virginica, L. Leaves oblong-ovate, or subrhomboid, 

 obtusely serrate, petiolate; involucre-like bract roundish-cordate, 

 acuminate, concave, unequally lobed. 

 VIRGINIAN ACALYPHA. Three-seeded Mercury. 



Annual. Stem 9 to 18 inches high, often a little angular and striate, more or 

 less pubescent, branching, the branches' sometimes with the leaves and bracts 

 crowded, like a leafy raceme, and dark purple. Leaves 1 to 3 inches long ; petioles 

 % of an inch to 2 inches in length ; stipules minute, subulate. Staminate spike 

 usually longer than the involucre-like bract, and inserted at its cordate base. 

 Hob. Pastures; open woods, &c. : common. Fl. July. Fr. Sept. 



ORDER XCI. JUGLANDA^CEAE. 



Trees, with a resinous, sweet, or watery juice; leaves alternate, odd-pinnate, with- 

 out stipules ; flowers monoicous, the staminate ones in aments, with an irregular 

 calyx, the pistillate with a regular calyx adherent to the ovary (and sometimes 

 with small petals /) ; fruit a kind of dry drupe, with a woody or bony endocarp 

 (or nutshell) containing a 4-lobed seed, without albumen ; cotyledons fleshy and 

 oily, sinuate-lobed. 



An Order consisting chiefly of Walnuts and Hickories, valuable for their wood, 

 and some of them for their fruit. 



370. JITGLANS, L, 



[From the Latin, Jovis Olans, the nut of Jupiter ; by way of eminence.] 

 STAM. FL. Amente single, lateral, from buds without leaves. 



