PHARMACAL PLANTS AND THEIR CULTURE. 
117 
503. Lonicera interrupta Benth. Honeysuckle. Caprifoliacece. 
A 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. Labiates. 
The Indians use the dried and powdered leaves as a sachet powder. 
Very 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, 
Cucurbitacece. 
This plant is cultivated by Chinese gardeners in the Sacramento Val- 
ley bottom lands. The large cucumber-like fruits are beaten and 
washed to remove pulp and the fibrous framework is dried and sold as 
a substitute for bath sponge. Common in California drug stores. 
(Proc. A. Ph. A. 32:180, 1884.) (Proc. A. Ph. A. 25:200. 1877.) 
(Bailey, Cyel. Am. Hort., 948.) (Cornell Exp. Sta, Bui., 67.) 
The fruit of L. echinata contains an acrid poison similar to that of 
colocynth. Much used medicinally in the Orient, 
507. Lupinus species. Lupines. Leguminosce. 
The lupines are present in great variety and abundance. They are 
rather showy plants, as a rule quite free from plant diseases. Some 
species 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 Pursli. Leguminosce. 
Poisonous. Requires study as to the nature of the poisonous prin- 
ciple. 
512. Lycium species. Solanacece. 
Some species are cultivated as ornamental plants and have been used 
medicinally, especially L. barbarum L. (IT. S. D.) 
513. Lycium andersonii Gray. Solanacece. 
The berries are eaten by the Indians. Requires further study as to 
reputed medicinal properties. 
