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PHARMACAL PLANTS AND THEIK CULTURE. 117 



503. Lonicera interrupta Benth. Honeysuckle. Capri foliacece. 



\ tea of the leaves is used as a wash for sore eyes. (Contrib. U. S. 

 Nat. Herb. 7: No. 3, 388.) 



504. Lophantus urticifolius Benth. Labiatce. 



The Indians use the dried and powdered leaves as a sachet powder, 

 ery fragrant. 



505. Lotus wrangelianus F. et M. Leguminosce. 



Reported to be poisonous. (U. of C. Agr. Exp. Sta. Rep., p. 258, 

 1897-98.) 



506. Luffa aegyptica. Vegetable sponge. Rag gourd. Luffa. 

 Cucurbit acece. 



This plant is cultivated by Chinese gardeners in the Sacramento Val- 

 ley bottom lands. The large cucumber-like fruits are beaten and 



ashed to remove pulp and the fibrous framework is dried and sold as 



substitute for bath sponge. Common in California drug stores. 

 (Proc. A. Ph. A. 32:180, 1884.) (Proc. A. Ph. A. 25:200, 1877.) 

 (Bailey, Cycl. Am. Hort., 948.) (Cornell Exp. Sta. Bui., 67.) 



The fruit of L. echinata contains an acrid poison similar to that of 



locynth. Much used medicinally in the Orient. 



507. Lupinus species. Lupines. Leguminosce. 



The lupines are present in great variety and abundance. They are 

 ather showy plants, as a rule quite free from plant diseases. Some 

 ecies are poisonous. 



508. Lupinus cyaneus, Leguminosce. 

 Reported to be poisonous to cattle. 



509. Lupinus leucophyllus Dougl. Leguminosce. 

 Poisonous. The poisonous principle has not yet been isolated. 



510. Lupinus luteolus Kell. Butter weed. Leguminosce. 

 Poisonous. (Contrib. U. S. Nat. Herb. 7: No. 3, 358.) 



511. Lupinus sericeus Pursh. Leguminosce. 



Poisonous. Requires study as to the nature of the poisonous prin- 

 iple. 



512. Lycium species. Solanacece. 



Some species are cultivated as ornamental plants and have been used 

 medicinally, especially L. barbarum L. (U. S. D.) 



513. Lycium andersonii Gray. Solanacece. 



The berries are eaten by the Indians. Requires further study as to 

 reputed medicinal properties. 



