184 Karl M. Wiegand and Arthur J. Eames 



10. Boehmeria Jacq. 



a. Leaves broadly ovate, acuminate, smooth above or nearly so ; petioles 20-40 mm. 



long. 1. B. cylindrica 



a. Leaves narrowly ovate or ovate-lanceolate, acute or barely acuminate, in extreme 

 forms reflexed, scabrous above; petioles 5-20 (30) mm. long. 



la. B. c, var. Drummondiana 

 1. B. cylindrica (L.) Sw. False Nettle. 



Swales and other wet places, over sandy or gravelly, mostly neutral, soils ; frequent. 

 July-Sept. 



Fall Creek Gorge, below Forest Home ; Girls' Playground, Cascadilla Glen ; Ren- 

 wick; McLean Bogs; Beaver Brook; Salmon Creek; Union Springs; Montezuma 

 Marshes ; Savannah ; and elsewhere. 

 Me. to Ont. and Minn., southw. to Fla. and Tex. ; infrequent on the Coastal Plain. 



la. B. cylindrica (L.) Sw., var. Drummondiana Wedd. (See Rhodora 12:10. 

 1910. B. c, var. scabra Porter.) 



Very wet boggy borders of ponds and swales, in peat or marl bogs ; scarce. June 

 20-Aug. 



Marshy (calcareous) borders of Dryden Lake; marl moor of Vandemark Pond; 

 floating moor of Slayton Pond ; and probably elsewhere. 



Mass. to N. Y., southw. to Fla. and Tex., including the Coastal Plain. 



11. Parietaria (Tourn.) L. 

 1. P. pennsylvanica Muhl. Pellitory. 



Dry places on and beneath cliffs, more rarely on wooded banks, the type of soil not 

 understood ; frequent. June- Aug. 



Enfield Glen ; Coy Glen ; Cascadilla Glen ; Dwyer Pond ; Fall Creek ; bank at 

 mouth of McKinney Twin Glens ; n. and s. of Esty Glen ; and elsewhere. 



Coast of Me., and from Mass. and Vt. to Minn, and B. -C, southw. to N. J., Fla., 

 Tenn., Nev., and Mex. ; scattered stations on the Atlantic Coastal Plain. 



36. SANTALACEAE (Sandalwood Family) 



1. Comandra Nutt. 

 1. C. umbellata (L.) Nutt. Bastard Toadflax. Comandra. 



Dry woods ; frequent. May 10-June. 



Following the distribution of Vaccinium (and Ceanothus, D.) ; therefore on the 

 chestnut soils of the higher hills w., s., and s. e. of Ithaca, on the ravine crests and the 

 crests of Cayuga Lake cliffs, and in the sandy woods at Junius ; absent in the 

 McLean region and on the heavier soils back from the lake shore. Semi-parasitic 

 on Vaccinium and other plants. 



N. S. to Wis., southw. to Ga., Ark., and Kans., especially on the acid Coastal 

 Plain but also in marl beds as at Bergen Swamp, N. Y. ; found also in B. C. and 

 Calif. 



37. LORANTHACEAE (Mistletoe Family) 



1. Arceuthobium Bieb. 

 1. A. pusillum Peck. Dwarf Mistletoe. 



On Picea mariana (Mill.) BSP. in the Junius peat bogs, 1886 (C. U. Herb., 

 collector unknown) ; fairly abundant in 1894 and 1904. 



Newf. and Que. to Mich., southw. to Pa. 



Produces " witches' brooms " on the parasitized trees. First segregated from 

 Razoumofskya under the above generic name. 



