332 MONOECIA.— PENTANDRIA. 



HAH, Shady rocks. Aug. — Sept. U . Ste7n 4— 



6 ft. high ; fibres tough. 



539. PAKIETARIA. Pellitory. Urticece; 



P '. pennsylvanica : leaves oblong-lanceolate, veined, 

 with opake dots ; involucrum 3-leaved, longer than 

 the flower. 

 HAB. Rocks. July. ©. Stem slend. 6— 12 in. 

 high, simple ; fl. axill., clustered. 



540. MORUS. Mulberry. Urticece. 



M. rubra: dioecious j leaves cordate, ovate, acuminate, 

 often 3-lobed, equally serrate, scabrous, pubes- 

 cent beneath ; fertile aments cylindrical. 

 HAB. Woods. May. A large tree, with long 

 branches ; leav. in young trees divided. 



PENTANDRIA. 



541. CROTONOPSIS. Euphorbiacece. 



C. linearis: stem erect, dichotomously branching ; 

 leaves stellately pubescent above, covered with 

 silvery scales beneath. 

 HAB. Swamps in pine barrens. June. U. Stent'*. 

 12 — 18 in. high: leav. lane, or ovate. 



542. AMARANTHUS. Amaranthacece. 



I. A. lividus: flowers clustered, triandrous, in rounded 

 spikes ; leaves elliptic, retuse ; stem erect. 

 HAB. In cultivated grounds. Aug. ©. Stem 1 

 ft. high, smooth. 

 1. A. hybridus : flowers pentandrous ; racemes de- 

 compound, erect, crowded; leaves ovate-lanceo 

 late. 

 HAB. Waste grounds. Aug. ©. Stem 2—3 ft. 

 high ; racem. large, thick. §. 

 3. A. Blitum : flowers triandrous ; racemes somewhat 

 spiked ; flowers 3-leaved ; leaves ovate, retuse ; 

 stem spreading. 

 HAB. Waste places. July. 0. Stem- prostr., 

 branched. §. 



