50 xvi. caryophyllace^e. [Stellaria 



2. S. media L. apud Cyrill. Char. Comm. p. 36, t. 2, f. 9 (1784) ; 

 Oliv. Fl. Trop. Afr. i. p. 141, in note. 



Ambriz. — Occasional, in cultivated ground around the town of 

 Ambriz, without doubt formerly introduced with seeds of culinary 

 plants from Europe, fl. and fr. Nov. 1853. No. 1069. 



3. SPERGULA L. ; Benth. & Hook. f. Gen. PI. i. p. 152. 



1. S. arvensis L. Sp. PL ed. 1, p. 440 (1753); Oliv. Fl. Trop. Afr. i. 

 p. 143, in note; var. vulgaris Syme, Engl. Bot. ii., p. 127 (1865). 



S. vulgaris Boenningh. Prodr. Fl. Monast. Westphal. p. 135 

 (1824). 



Huilla. — Seeds beset with papillae. Common in cultivated places 

 near Lopollo : for example, in fields of maize and of flax, the seed of 

 which latter had been imported from Germany ; fl. and fr. May 1860. 

 No. 1084. 



4. DRYMARIA Willd. ; Benth. & Hook. f. Gen. PI. i. p. 152. 

 1. D. cordata Willd. ex Poem, et Schult. Syst. v. p. 406 (1819); 



Oliv. Fl. Trop. Afr. i. p. 143. 



Prince's Island. — Sparingly in neglected cultivated places, by the 

 roadside towards Pico de Papagaio, fl. and fr. Sept. 1853. No. 1068. 



Golungo Alto. — An ascending viscid opaque-green annual herb, 

 infesting fields of cultivation ; flowers inconspicuous, greenish. Among 

 plants of Phaseolus and of Arachis, in some places plentiful, in others 

 rare, and in some years absent ; by the banks of the river Coango, near 

 Sange, fl. and fr. April 1856. At the base of "Dia ia Calunga" 

 (Dracaena parviflora Baker ; Welw. Herb. 3739), in wooded places 

 near streams, fl. and fr. March 1855 and July 1856. No. 1070. 



5. P0LYCARPA Loefl. Iter Hisp. p. 7 (1758). Polycarpon L. 

 Syst. ed. 10, p. 881 (1759) ; Benth. & Hook. f. Gen. PI. i. p. 152. 



1. P. pusilla Roxb. apud Wight & Arn. Prodr. p. 358 (1834) 

 (Polycarpon pusillvm). 



Polycarpon Loeflingii Benth. & Hook. f. Gen. PI. i. p. 153; 

 Oliv. Fl. Trop. Afr. i. p. 144. Pharnaceum depressum L. Mant. 

 PI. alt. p. 562 (1771). PoVycarpa prostrata O. Kuntze, Rev. Gen. 

 PI. i. p. 51 (1891) pro parte. 



Ambriz. — A decumbent or ascending, apparently annual herb, clothed 

 with white villous hairs on the stem and on the lanceolate acuminate 

 leaves. On sandy hills among short grass near the river Quisembo, hi 

 places flooded in summer but then dry ; fl. and f r. Nov. 1853. No. 1073. 



Libongo. — Sepals broad, with white membranous margins ; petals 

 whitish, very thin, narrowly lanceolate ; capsule incompletely 3-celled, 

 nearly 1-celled ; seeds very numerous and small, ovoid or oblong-ovoid. 

 Abundant and gregarious, but seen only in one place, in clayey swamps 

 nearly dried up, about the lake of Libongo, on the left bank of the 

 river Lifune, in company with Azolla pinnata Br., forma terrestris 

 (Welw. Herb. No. 37), etc. ; fl. and fr. Sept. 1858. No. 1076. . 



Ambaca. — A prostrate herb ; stems spreading in the form of a star ; 

 bracts and stipules scarious whitish. Rather rare, in swampy spots on 

 the left bank of the river Lucala, from which Welwitsch extricated 

 himself with difficulty ; fl. and fr. Oct. 1856. No. 1074. 



