vlViii. i.i;GUMi\os,t:. 403 



Aloiij,' the banks of rivers in tlio Ivonkan imd Decean not far from the sea-coiibt ; 

 often planted iuland. Konkan : widely pUnted, \\'oudi\,w\ Deccan : near rivers, 

 (iik-ioii ex (iriiha,a\ along the valley of the Koina river, Cookc\\ Maliablesbwar 

 (planted at tlio Terraces), //. M. Birda-uod. — DmnuR. India (banks of rivers and 

 streams especially near the coast) ; tiiroughout Tropical Asia and tbo Seychelles. 



The seeiis yielil an oil which is employed as a remedy in skin-diseases. See Watt, 

 Diet. Econ. Prod. 1. c. 



58. DERRIS, Lour. 



Climbing shrubs (rarely erect trees). Leaves alternate, iuipari- 

 piiinate. Leaflets opposite, usually exstipellate. Flowers copious, 

 sliowy, in axillary or terminal racemes or panicles ; pedicels usually 

 fascicled alouj^ the riiacliis ; bracts small, caducous; bracteoles ovate or 

 orbicular, usually small and caducous. Caly.v. in dower usually cyathi- 

 t'orm, trimcate or obscurely toothed. Corolla much exserted ; standard 

 broad ; keel obtuse, its petals sligbtly cohering. .Stamens usually 

 monadelphous ; anthers versatile. Ovary sessile ; ovules few ; style 

 incurved, filiform ; stigma capitate. Pod rigid, thin, flat, indehiscent, 

 obliquely orbicular, oblong or elongate, distinctly winged down the 

 upper or both sutures. — Distbih, Tropics geuerally ; chietly in Tropical 

 Asia ; species about 40. 



An older name for this genus is Dcf/uelia which was given to it in Y1~io (Aubl. PL 

 Gui. V. 2 [I77.'i] p. T.'iO, t. oOO). This name bus been adopted by Taubert in Engl. & 

 Prantl, Pflanzeufamilien. The name Dery'is dates from 170U and was given to the 

 genus by Loureiro (Fl. Cochinch. v. 2 [1700] p. -132). 



An erect tree 1 . D. ruhusta. 



Olimbiug shrubs. 



Stamens nionadelphou.s. 



Pod winged down the upper suture only. 



Pod not exceeding j in. broad 2. I), icandeiit-. 



Pod exceeding .j in. broad. 



Standard without callosities at the base of the limb ... .j. D. uligiiiosa. 

 Standard with 2 callosities at the base of the limb ... A. D. ohlonga. 

 Pod winged down both sutures. 



Standard without callosities at the base of the limb. 



]'od glabrous, polished '). D. Hcyneana. 



Pod persislentl} brown-silky 6. D. brecipes. 



Standard with 2 callosities at the base of the limb 1. D. canarensis. 



Stamens diadelphou^ 8. D. -plat i/pt era. 



1. Derris robusta, lienth. la Journ. TAnn. >Soc. v. 4 (1860) Siq^^^l. 

 p. 104. An erect tree 150-40 ft. high; young parts more or less 

 pubescent; older brandies glabrous, striate. Leaves 3-G iu. long; 

 rhachis deeply channelled ; jietioles ^-1 in. long. Leaflets 9-21, 

 opposite, 1-1^ by h in. (the pair at the base of the leaf the smallest), 

 elliptic-oblong or oblong-lanceolate, apiculate, glabrous above, pale and 

 more or less pubescent beneath, closely reticulately veined, base acute or 

 rounded ; petiolules jV~8 ^"- lo"o- Flowers in elongate simple racemes 

 usually sliorter than or equalling (rarely longer than) the leaves; 

 pedicels filiform, unequal, fascicled along a more or less pubescent 

 rhachis; bracteoles beneath the calyx minute, oblong, obtuse. Calyx 

 J^-- j^^ in. long; teeth miiuite, deltoid. Corolla -} in. long; standard 

 ,t-i in. broad ; wings not ciliate above the claw. IStamens mona- 

 delphous. Ovary pubescent. Pods 5—% in. broad, when 1-seeded 

 11 in. long, when more-seeded up to 3 in. long, tapering at both ends. 



