608 LORANTHACE.E COMANDRA 



PHORADENDRON 



and its 5 oblong lobes. In dry open places, Brit. Columbia to California 

 and the Eastern States. 



C. pallida A. DC, Prodr. xiv, 636. Stems slender, simple or branch- 

 ed, 4-12 inches high, very leafy: leaves linear or linear-lanceolate, or the 

 lower ones oblong-elliptic, acute, sessile: cymes few-several-flowered, 

 corymbose-clustered at the summit: peduncles usually short: pedicels about 

 a line long: calyx greenish or purplish, about 2 lines high: drupe ovoid- 

 oblong, about 2 lines in diameter crowned by the very short upper portion 

 of the calyx-tube and its. 5 oblong acute lobes. On dry hillsides, in the 

 interior, Brit. Columbia to California and Minnesota. 



ORDER LXXXVII LORANTHACE^E D. Don 

 Prodr. Fl. Nepal. 142. (1825) 



Parasitic, green or reddish plants growing upon wood 

 plants and absorbing food from their sap through specializey 

 roots called haustoria, with mostly opposite leaves and regular 

 monoecious or dioecious flowers in axillary or terminal clusterd 

 or solitary. Calyx-tube adnate to the ovary, its limb entirer 

 toothed or lobed. Stamens 2-6: anthers 2-celled, or confluents 

 Jy 1-celled. Ovary solitary, erect: style simple or none stigma- 

 terminal, entire. Fruit a berry with glutinous pulp. Seed 

 solitary, its testa indistinguishable from the copious fleshy 

 albumen. Embryo terete or angled. 



1. Phoradendron Leaves thick and flat: anthers 2-celled: berry 



sessile. 

 2 Raxoumofskya Leaves scale- like, united at base: anthers 1-celled: 



berry peduncled. 



1 PHORADENDRON Nutt. Journ. Acad. Philad. ser. 2, i, 185. 



Parasitic shrubs with mostly jointed branches, opposite flat 

 leaves and small dioacious flowers in axillary spikes. Staminate 

 flowers with a 2-4- usually 3-lobed globose or ovoid calyx, bearing 

 a transversely 2-celled anther at the base of each lobe. Pistillate 

 flowers with a similar calyx adnate to the inferior ovary. Style 

 short, with obtuse or capitate stigma. Fruit a sessile ovoid or 

 globose berry. 



P. Yillosnm Nutt. PI. Gambel. 185. Stems stout, diffusely much 

 branched, 1-2 feet long: leaves orbicular to spatulate, 6-20 lines long, per- 

 manently villous, rounded at the apex, narrowed below to a ehort petiole, 

 very thick and obscurely veiny : spikes slender, rather short : berries white, 

 1-2 lines in diameter. On oak trees, from the Willamette valley Oregon to 

 California. 



P. juniperinnm Engelm. PI. Fendl. 85. Glabrous, stout, densely 

 branched: 6-9 inches high: branches terete, the ultimate branchlets 

 quadrangular: leaves mostly reduced to broadly triangular, obtusish con- 

 nate or distinct ciliate scales : staminate spikes solitary, 6-8-flowered : 

 anthers transverse, opening by pores: pistillate spikes 2-flo\\ered: berries 

 globose, whitish or light red, 1> lines in diameter. On Junipers, south- 

 eastern Oregon to California. 



P. Libocedri. P. juniperinum var. Libocedri Engelm. ? Glabrous : 

 stems fleshy, 6-12 inches long, densely branched : most of the leaven re 

 duced to broadly triangular connate naked scales : staminate spikes solitary 



