208 MONOECIA. TETRANDRIA. 



Herbaceous, rarely shrubby or arborescent, and oftect 

 pungent plants; leaves stipulate, opposite or alternate^ 

 flowers spiked or glomerate, axillary, or sometimes partly- 

 terminal and cymose. 



Species. 1. U. pumila. 2- ui^ens. 3- flioica. These 2 

 last are merely naturalized. 4. procera. 5. chamcedrioides. 

 Ph. 6. gracilis. 7-capitata? Obs. Leaves opposite, ovate^ 

 acuminate, dentate and scabrous, peiioles short; f;^lomeruli 

 spiked, spikes solitary, comose. Male calix 4-parted? 

 stamina at first incurvedi the anthers retained by a cen- 

 tral ovoid gland, rising at length with an elastic spring; 

 stigma 1; germ compressed, ovale. Hab. On the banks 

 of the Delaware, near Philadelph a^ common; often mis- 

 taken for a Boehmeria. 8. divaricata. 9. ccmadensis. These 

 2 last species aft'ord a very strong hemp. 



The principal part of thrs extensive genus, containing 

 near 80 species, is indigenous to the tropical parts of 

 America, with India and the islands of the Pacific, there 

 are also species in Europe and at the Cape of Good Hope 



742. PARIETARIA. L, (Pellitory.) 



Flowers polygamous. — Hermaphrodite. 

 Calix 4-cleft. Corolla none. Stamina elastic. 

 Style I. /S^eec/ 1, superior. Fem. Cflto 2-leave(l. 

 Seed covered hy the dry and elongated calix. 



Herbaceous; leaves alternate or opposite sometimes 

 without stipules; flowers glomerate, axillary. 



Species. 1. P pennsyJvaTiica- Also indigenous to Lou« 

 isiana. 2. * floridana. Leaves mundish-ovate, obi use, as 

 long as the petiole and opaquely punctate; flowers glome- 

 rate, equal with the involucrum; stem erect. Ha3. Near 

 •St. iMars's, West Florida.— Dr. Baldwyn. Apparently in- 

 termediate between P. pennsylvanica and P. bmtanica. 

 Leaves rtot minute, pilose, 3 or 4 lines wide, and with the 

 filiform peduncle an inch long; involucrum inconspicuous; 

 stem about 10 to 12 inches high. 



A genus of about 18 species, indigenous to Europe, In- 

 dia, China, the Cape of Good Hope and the Levant. 



743.M.ORUS. i. (Mulberry.) 



Masc. Calix 4'parted. Corolla none. FeMo 

 Calix 4-leaved. Coro/Za.none. Styles 2. Ca'dx 

 becoming a berry. Seeds solitary. 



Lactescent trees; leaves prociucing stipules- aUerna*^ 



