724 LXXXVII, CONVOLVULACES. [Evolvulus 
1860. Also in sunny sandy-muddy places at the Ivantala lake; fi. 
beginning of March 1860. No. 6136. 
2. E. alsinoides L., /.c., p. 392; Hall. f., 2c. #. sp. affin. Z. 
linifolio L., Welw. Apontam. p. 589, n. 78 (1859). 
Var. a. procumbens Schweinf. Beitr. Fl. Authiop. p. 94 (1867). 
Loanpa.—A_ very slender, annual herb; branches ascending or 
spreading horizontally; flowers like a blue forget-me-not. On 
herbaceous hills near Cacuaco, Forte §. 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. — 
Hurtia.—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., /.c.; Hall. f., 7¢., p. 86. 
Punco Anponco.—At the sandy margins of the forest near 
Quisonde ; fr. March 1857. No. 6162. 
Some of our forms of the var. a. procumbens are very hirsute and 
agree with the var. villosissima Fenzl in Kotschy exsicc. n. 371 ex 
Dammer in Engl. Pfl. Ost-Afr., C., p. 328 (1895). 
3. CRESSA L.; Benth. & Hook. f. Gen. Pl. ii. p. 881; Hall. 
f. in Engl. Bot. Jahrb. xvi. p. 571 (1893). 
1. C. cretica L. Sp. Pl., ed. 1, p. 223 (1753); Hall. f., Zc., xviii. 87. 
BENGUELLA.—In maritime stations to the south of the city, 
plentiful ; fl. June 1859. No. 6138. 
MossaAMEDES.—A perennial, white-felted herb ; flowers whitish, at 
length dusky. In brackish sandy places about the mouth of the river 
Giratil, in company with Arthrocnemum, 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. Cori. 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. Pl. ii. p. 876 part. non R. Br. 
1. S. Welwitschii Hall. f., .c., xviii. p. 88 (1893). 
Loanpa.—An apparently annual herb, much branched from the 
base ; stem and branches prostrate ; flowers white. About pools near 
Bemposta among rather low bushes, sparingly ; fl. and fr. June 1858. 
No. 6151. In herbaceous places about Quicuxe and Mutollo; A. 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 Evolvulus, but the styles 2, simple, with capitate 
stigmas, exceeding the sub-included stamens ; corolla funnel-shaped, 
