Nasturtium] vm. crucifebje. 25 



spreading, inconspicuously torulose, rigid ; valves very concave, 

 ■without nerves. Seeds numerous, of a deep orange colour, sub- 

 pendulous, oblong-cordiform, vaguely biseriate in each cell, 

 minutely punctate in relief. 



Loanda. — Around drying pools near Quicuxe, plentifully but only 

 observed in one spot ; fl. and fr. 29 July and 5 August 1858. No. 

 1197. Coll. Carp. 202. 



Libonqo. — At the sandy banks of the river Lifune, between Banza 

 de Libongo and the petroleum mines, rare ; f r. Sept. 1858. No. 1198. 



2. CARDAMINE L. ; Benth. & Hook. f. Gen. PI. i. p. 70. 



1. C. trichocarpa Hochst. ex A. Rich. Fl. Abyss, i. p. 18 (1847); 

 Oliv. Fl. Trop. Afr. i. p. 60. 



An annual herb, 5 to 15 in. high, with the habit of Cardamine 

 sylvatica link or 0. hirsuta L., wholly beset, sometimes sparingly 

 sometimes abundantly, with soft whitish pilose hairs. Stem 

 ascending or rarely erect, acutely angular by the decurrence of 

 the petioles. Calyx-segments purplish (violet), hispidulous with 

 rather long white hairs, erect, concave, equal at the base, inflected 

 at the margin and apex. Corolla 0. Stamens 4, all of equal 

 height, alternating with the calyx-segments. Style thick ; stigma 

 depresso-capitate, almost patelliform, nearly flat at the margin, 

 slightly fimbriate. Siliquas glabrate. 



Goltjngo Alto.— Common in rather damp cultivated fields, at the 

 margins of streams ; at the banks of the river Cuango, near Canguera- 

 sange ; fl. and fr. Sept. and Dec. 1854, Jan. 1855. No. 1189. Coll. 

 Carp. 203. 



The type of the species occurs in Abyssinia ; it may possibly prove 

 to be a variety of Cardamine hirsuta L. 



3. BRASSICA Tourn., L. ; Benth. & Hook. f. Gen. PL i. p. 84. 



1. B. Willdenovii Boiss. in Ann. Sc. Nat. ser. 2, ii. p. 88 (1842). 



B. juncea Hook. f. & Thorns, in Journ. Linn. Soc. v. p. 170 

 (1861) ; Oliv. Fl. Trop. Afr. i. p. 65. 



Used by the natives in Angola as a pot-herb, but not cultivated 

 for its oil there. 



Golungo Alto. — Spontaneous, but no doubt originally introduced, 

 about Banza de Quilombo-Quiacatubia and near Bango-Aquitamba, 

 common ; fl. and fr. Feb. 1855. No. 1186. An escape from cultivation 

 and also cultivated in Sobato Bango, etc., Quibolo ; fl. and fr. middle of 

 August 1856. No. 11866. On the road to Ambaca, in dry sparsely 

 grassy places, apparently a biennial herb with almost woody root and 

 yellowish flowers ; fl. and fr. beginning of March 1856. No. 1186c. 



4. LEPIDIUM L. ; Benth. & Hook. f. Gen. PI. i. p. 87. 



1. L. ruderale L. S P . PI. edit. 1, p. 645 (1753); Oliv. Fl. Trop. 

 Afr. i. p. 69 ; var. aethiopicum (L. aethiopicumi Welw. ms. in Herb.). 



A herb, biennial or persisting for several years, with the habit 

 of an Alyssum; root woody, perhaps perennial; rhizome poly- 

 cephalous ; stems numerous, prostrate-ascending, leafy, puberulous ; 



