153 



'>22. ARUM MACULATUM, L. (Lords and Ladies, Cuckoopint, Wake 

 Robin.) 



a. Plant, preserved wet. 



b. CHI-IMS, sliced. 



. c. Starch prepared from the rhizome. (Portland Arrow- 

 root.) 



Note. The rhizome, dried and grated, is used by herbalists as a remedy 

 for gout. It formerly held a place in the Dublin Pharmacopoeia. The 

 starch was formerly manufactured at Portland, and is still made there in 

 small quantity, but is not an article of commerce. See P. J. [1] , vol. 

 xiii., p. 60. A peck of roots yields about 3 Ibs. of starch. For fig. of the 

 starch see Per. Mat. Med., vol. ii., pt. ii., frontispiece, fig. 11. 



CYPERACE^E. 



623. CYPBRUS HEXASTACHYS, Eottb. (Mootha.) 



a. Rhizome, from Delhi. 



Note. This specimen was presented by Dr. Eoyle. The rhizome is 

 used in India for cholera. Nagur Mootha is the rhizome of C. pertenuis, 

 which is used by Hindoo ladies for cleaning and perfuming their hair. 

 Treas. Bot., p. 373. 



624. CYPERUS LONOUS, L. (Sweet Scented Cyperus.) 



a. Rhizome. 



Note. The rhizome is now used only in perfumes, it having a violet- 

 like odour. Formerly it was used as a tonic and stomachic for sweeten- 

 ing the breath. See Poniet, Diet, of Drugs, p. 36. It contains a bitter 

 principle. The plant is a native of England, but is very local, occurring 

 only in the southern counties. 



625. CYPERUS ROTUNDUS, L. 



a. Rhizome. 



Note. The rhizome is known in Jamaica under the name of "Adrew." 

 The specimen was presented by Dr. D. Maclagan. 



GRAMINACE^;. 



626. ANDROPOGON CITRATUS, D.C. ; ANDROPOGON SCHOSNANTHUS, Wall. 



(Lemon Grass, Sireh of Java.) 



a. Leaves. 



b. Volatile oil. (Oil of Verbena, Lemon Grass Oil, Indian 



Melissa Oil.) 



Note. The oil receives its name of oil of verbena from its similarity 

 in odour to the lemon plant, or sweet-scented verbena of the gardens 

 (Lippia citriodora, H. B. K.). It is imported from Ceylon and Singapore. 

 The oil made by Winter, of Ceylon, and Fisher, of Singapore, being 

 esteemed the best. Pharmacographia, p. 660. The Andropogon schce- 

 nanthus of Linnaeus is another species. See below. 



627. ANDROPOGON LANIGER, Desf. (Schwnanthus, 8q^linanthus, Foenum 



Camelorum, Juncus Odoratus, Khdvi.) 

 a. Leaves. 

 Note. This specimen was presented by Mr. D. Hanbury in 1874. 



