724 LXXXVII. CONVOLVULACE/E. [Evolvulus 



1860. Also in sunny sandy-muddy places at the Ivantala lake ; fl. 

 beginning of March 1860. No. 6136- 



2. E. alsinoides L., I.e., p. 392 ; Hall, f., I.e. E. .sp. affin. E. 

 linifoUo L., Welw. Apontam. p. 589, n. 78 (1859). 



Var. a. procumbens Schweinf. Beitr. Fl. ^thiop. p. 94 (1867). 



LoANDA. — A very slender, annual herb ; branches ascending or 

 spreading horizontally ; flowers like a blue forget-me-not. On 

 herbaceous hills near Cacuaco, Forte S. Pedro, etc., plentiful ; fl. 

 March 1854. No. 6155. An elegant herb, much branched, annual or 

 very rarely biennial ; stems decumbent-prostrate, silvery-silky at the 

 apex, hirsute with hairs spreading in all directions ; peduncles 4- 

 bractate ; corolla clear blue, twice as long as the calyx. On sunny 

 grassy hills near Alto das Cruzes ; fl. and fr. May, June^ and beginning 

 of August 1854 and July 1858. No. 6156. 



Ambaca.— In fields near N-gombe ; fl. and fr. Oct. 1856. No. 6161. 



HuiLLA. — Flowers clear blue. In hilly pastures among low bushes, 

 near Catumba, not common ; fl. Dec. 1859 and end of March 1860. 

 No. 6255. 



Var. /?. erectus Schweinf., I.e. ; Hall, f., Ic, p. 86. 



PuNGo Andongo. — At the sandy margins of the forest near 

 Quisonde ; fr. March 1857. No. 6162. 



Some of our forms of the var. a. 2>rocu)nbei/s are very hirsute and 

 agree with the var. riUosismna Fenzl in Kotschy exsicc. n. 371 ex 

 Dammer in Engl. Pfl. Ost-Afr., C, p. 328 (1895). 



3. CRESSA L. ; Benth. & Hook. f. Gen. PI. ii. p. 881 ; Hall, 

 f. in Engl. Bot. Jahrb. xvi. p. 571 (1893). 



1. C. cretica L. Sp. PI., ed. 1, p. 223 (1753); Hall, f.. I.e., xviii. 87. 



Benguella. — In maritime stations to the south of the city, 

 plentiful ; fl. June 1859. No. 6138. 



MossAMEDE.s. — A perennial, white-felted herb ; flowers whitish, at 

 length dusky. In brackish sandy places about the mouth of the river 

 Giraiil, in company with Arthroairmum, sadly clothing large tracts, 

 not uncommonly deeply buried in the sand ; fl. and fr. 19 July 1859. 

 No. 6139. A low, glaucous-tomentose or shaggy, perennial herb, with 

 white flowers. In brackish wet places near Mossamedes ; fr. July 

 1859. Coll. Carp. 785. In swampy places at Aguadas near Vil. 

 Mossamedes, plentiful, July 1859 ; also in pastures flooded in the 

 rainy season between Quipola and Mata dos Carpenteiros, without fl. 

 August 1859. A form with pointed leaves. No. 6137. 



4. SEDDERA Hochst. in Flora xxvii., Bes. Beil. p. 7, t. 5 

 (1844) ; Hall. f. in Engl. Bot. Jahrb. xvi. p. 572 (1893). 



Breweria Benth. & Hook. f. Gen. PI. ii. p. 876 part, non R. Br. 



1. S. Welwitschii Hall, f., I.e., xviii. p. 88 (1893). 



LcMNDA. — An apparently annual herb, much branched from the 

 base ; stem and branches prostrate ; flowers white. About jjools near 

 Bemposta among rather low bushes, sparingly ; fl. and fr. June 1858. 

 No. 6151. In herbaceous places about Quicuxe and MutoUo ; fl. end 

 of April 1854. No. 6152. A slender shrublet, apparently perennial, 

 or at least persisting for several years ; stem elongated : calyx and 

 corolla almost as in Evolvuha^, but the styles 2, simple, with capitate 

 stigmas, exceeding the sub-included stamens ; corolla funnel-shaped, 



