310 DICOTYLEDONOUS PLANTS. 



Style none, or very short. Stigma with 6 9 rays. Berry 

 superior, globose, 6 9 seeded. Dioecia. Triandria. 



E. nigrum Mich. : procumbent ; leaves oblong-obtuse, revojute on 

 the margin. 



HAB. White Hills. N. H. Big. N. to Arc. Amer. May, June. 

 *?. A low shrub with small and dense evergreen foliage, like 

 that of the heaths. LeatcS imbricate, oblong, obtuse. Flowers 

 axillary, very small, reddish. Berries roundish, 'black. Dr. 

 Houghton has found it on the shores of Lake Superior. 



ORDER CVII. EUPHORBIACE^E. Llnd. 



Flowers monoecious or dioecious. Perianth lobed, inferior, 

 with various glandular or scaly appendages ; (sometimes 

 wanting.) STERILE FL. Stamens 1 12 ; anthers 2-celled. 

 FERTILE FL. Ovary 1, superior, sessile or stalked ; styles 

 2 3 ; stigmas compound, or single with several lobes. Fruit 

 consisting of 2 3 or more dehiscent cells, separating with 

 elasticity from their commor axis, sometimes indehiscent 

 Seeds suspended, arillate ; embryo enclosed in fleshy albu- 

 men ; cotyledons flat ; radicle superior. 



Trees, shrubs or herbs, often abounding in acrid milk. 

 Leaves simple, rarely compound, usually with stipules. 



1. CROTONOPSIS. Mich. 



Monoecious. STERILE FL. Perianth 5-parted, with 5 

 petaloid scales. Stamens 5. FERTILE FL. Perianth 5- 

 parted. Stamens 3, twice bifid. Capsule 1-seeded, not open- 

 ing. Monoecia. Pentandria. 



C. lintaris Midi. : stem erect, dichotomously branched ; leaves stel- 

 lately pubescent above, hairy and covered with silvery scales beneath. 

 E. argtntta Pursh. Friesia argentea Spreng. 



JIxB. >wamps in sands. . N. J. to Car. W. to Miss. June. Q, 

 Stem 12 18 inches high, covered like the leaves, with solita- 

 rv scales. Leaves varying from linear-lanceolate to ovate, on 

 snort petioles. Flotcers in terminal and axillary spikes, very 

 minute. 



2. PHYLLANTHUS. Linn. 



Monoecious. STERILE FL. Perianth 5 6-parted. Fi- 

 laments united. FERTILE FL. as the sterile. Nectary ? a 

 12-angled margin. Styles 3. Capsule 3-celled. 



Monoecia. Monadelphia. 



