26 VIII. CRUCiFERTE. [LepicUum 



leaves narrowly oblanceolate-cuneate, attenuate at the base, 

 petiolate, acutely and distantly dentate towards the apex, hispid 

 with whitish hairs, ranging up to ^ in. long inclusive of the 

 petiole ; flowers very small, greenish or greenish-yellow, in 

 elongated terminal ebracteate i^acemes. Stamens 2. Pod elliptical, 

 retuse at the apex, rounded at the base, ^ in. long; style very short; 

 valves boat-shaped, keeled, not winged ; seeds pendulous, solitary 

 in each cell, rather obovoid, rather compressed, reddish, septum 

 lanceolate, or narrowly oval, narrowed at both ends, white, 

 membranous. Pedicels scarcely as long as the pods. Cotyledons 

 incumbent. 



HuiLLA. — Not uncommon, in hot, rather dry fields, between Humpata 

 and Serra de Uiahoia, at an elevation of about 5000 ft., late fl. and fr. 

 23 April 1860. No. 1190. Coll. Carp. 66. 



This is the only Crucifer collected by Welwitsch in the district of 

 Huilla, where not even watercress was seen. 



2. L. virginicum L. Sp. PI. edit. 1, p. 645 (1753). 

 Madeira. — In dampish stony places, by the road leading from Funchal 

 towards Camara dos Lobos, fl. and fr. August 1853. No. 1191. 



5. ISATIS L. ; Benth. & Hook. f. Gen. PI. i. p. 94. 



1. I. tinctoria L. Sp. PI. edit. 1, p. 670 (1753). 



Madeira. — Csespitose and suffruticose. In gravelly places, between 

 Funchal and Camara dos Lobos, not far from the ocean, fl. and fr. end 

 of August 1853. No. 1198. 



6. RAPHANUS L. ; Benth. & Hook. f. Gen. PI. i. p. 101. 



1. R. sativus L. Sp. PI. edit. 1, p. 669 (1753) ; Oliv. Fl. Trop. 

 Afr. i. p. 73. 



GoLUNGO Alto. — An escape from cultivation, occasionally spon- 

 taneous ; by the sandy banks of the rivers Delamboa and Quiapoza, 

 fl. and fr. March 1856. No. 1195. 



IX. CAPPARIDACE^. 



Members of this Order are abundant in the littoral and hilly 

 districts of Angola; one species, Gynandrojysis ji^'iiiC'phyUa DC., 

 is cooked and eaten as greens ; the bark of the root of another 

 species, called " Suna " by the negroes, is employed by them as a 

 caustic and sudorific ; and a species of Gapparis furnishes excellent 

 capers. 



1. CLEOME L. ; Benth. & Hook. f. Gen. PI. i. p. 105. 



1. C. monophyUa L. Sp. PI. edit. 1, p. 672 (1753); Oliv. Fl. 

 Trop. Afr. i. p. 56. 



GoLUNGO Alto.— In cultivated fields, especially in those of Phaseolus 

 and Arachis hypocjcea L., near Sange, not uncommon ; fl. and fr. Jan. 

 and May 1855. No. 947. A slender herb, 2 to 3 ft. high, patently 

 branched ; leaves lanceolate ; flowers of a deep-violet colour ; in hot 

 situations near Canguerasange, Oct. 1854. Coll. Carp. 204. 



