66 PLANT INVENTORY NO. 175 



319398 to 319402— Continued 



319401. Lapsana communis L. Compositae. 



Common in British Isles, Europe, North Africa, West and Central Asia; 

 introduced in North America. Annual herb, erect, 2 to 9 dm. high; panicul- 

 ately branched in upper half, branches ascending; heads 1.5 to 2 cm. di- 

 ameter, 15 to 20 per plant on slender stalks in a more or less corymbose 

 panicle. 



319402. Malva parviflora L. Malvaceae. 



Native of Eurasia. Common weed in waste places in United States. 

 Annual, erect or ascending, branched; 3 to 8 dm. high; flowers axillary, 

 short pedicelled. 



319403 and 319404. 



From Israel. Seeds presented by National and University Institute of Agri- 

 culture, Rehovot, under P.L. 480 Project A10-CR-10. Numbered Mar. 

 30, 1967. 



319403. Daucus aureus Desf. Umbelliferae. 



Mediterranean region. Annual, 1 to 1.5 m. high; stem somewhat corym- 

 bose; umbels many rayed. 



319404. Lagoecia cuminoides L. Umbelliferae. 

 Mediterranean region. Annual herb, erect, 2 to 5 dm. high. 



319405 to 319411. 



From Yugoslavia. Seeds presented by Univerza v Ljubljani, Biotehniska 

 Fakulteta, Ljubljana, Krekov, under P.L. 480 Project E30-CR-2. Num- 

 bered Mar. 30, 1967. 



319405. Biscutella laevigata L. Cruciferae. 



Central and southern Europe, Perennial herb; stems 1 to 5 dm. high; 

 simple or branched; flowers in lax or dense racemes, very variable. 



319406. Caltha palustris L. Ranunculaceae. 



Northern North America, Eurasia. Perennial herb; stem hollow, erect 

 or decumbent; occurring in swamps, wet meadows and woods. 



319407. Chamaepeuce afra DC. Compositae. 



Greece and Yugoslavia. Biennial herb, thistle-like; stem corymbosely 

 branched; heads large, solitary. In rocky subalpine and alpine regions. 



319408. Picris echioides L. Compositae. 



Mediterranean region; well established weed in United States in waste 

 places, fields, especially in heavy soil. Perennial herb, erect; branched 

 hispid stems, 5 to 12 dm. long; heads many, usually crowded. 



319409. Symphytum officinale L. Boraginaceae. Comfrey. 



Native of Eurasia; escaped or adventive in waste places in North 

 America. Perennial herb, erect, branching, 5 to 10 dm. high; sparsely to 

 densely hirsute; flowers numerous in dense, drooping scorpioid cymes. 

 Cultivated as ornamental. 



319410. Thalictrum flavum L. Ranunculaceae. Yellow meadowrue. 



Europe, including Britain. Perennial herb, to 1 m. high; rootstock 

 stolonif erous ; flowers bisexual, small, numerous in erect, rather compact 

 corymbose or pyramidal panicle. Cultivated as ornamental. 



319411. Thlaspi perfoliatum L. Cruciferae. 



Widespread in Europe; naturalized in North America. Annual, 1 to 3 

 dm. high. Weed of arable land and waste places. 



