374 Lvii. LYTHRACEiE. [Avionannia 



Am BACA. — In wet places by the banks of the river Pamba, near 

 N-gombo, a unique specimen in fr. without leaves Oct. 1856. No. 2372. 



PuNfiO Andonc;o. — In wet meadows near Lombe, towards Muta- 

 Lucala, a young specimen without fl. or fr. beginning of March 1857. 

 No. 2369. 



2. A. baccifera L. Sp. PI., edit. 1, p. 120 {17 5S) {Amannia) ; 

 Hiern in Oliv. Fl. Trop. Afr. ii. p. 478. 



A. attenuata Ilochst. in Herb. Scliimp. Abyss, ii. n. 778; A. 

 Rich. Tent. Fl. Abyss, i. p. 278 (1847) ; Koehne in Engl. Bot. 

 Jahrb. i. p. 257 (1880). 



PuNGO Andonoo.— Abundant in sandy places flooded in summer, 

 from Candumba to Lombe along the banks of the river Cuanza ; fl. and 

 fr. March 1857. No. 2356. 



MossAMEDES. — In swamps by the river Bero, hear Mossamedes ; fl. 

 and fr. July 1859. No. 2357. Coll. Cakp. 579 (part). In swamps 

 by the shore of the river Bero, not far from its mouth, in excessively 

 wet sand almost surging under foot ; fl. and fr. July 1859. No. 2357&. 



This Linnean species occurs also in Nile Land, and is widely spread 

 over tropical and subtropical Asia and Australia. The form, however, 

 represented by the name A. attenuata, ao emended by Koehne, is of 

 much more limited distribution ; and to this form Dr. Welwitsch's 

 specimens belong. 



3. A. salicifolia Monti in Comment. Instit. Bonon. v. pars i. 

 p. 112, cum tab. (17G7) ; Hiern in Oliv. Fl. Trop. Afr. ii. 478. 



A. baccifera Koehne in Engl. Bot. Jahrb. i. p. 258 (1880), et 

 subsp. ct^yyptiaca Koehne, I.e., p. 260, and in Nuov. Giorn. Bot. 

 Ital. xvi. p. 101 (1884). 



PuNGO Andongo. — In marshy places with dense herbage near 

 Quitage by the river Cuije, not abundant ; fl. and fr. March 1857. 

 No. 2362. In a sandy spot with short herbage at the bank of the river 

 Lombe not far from its confluence with the river Cuanza ; only one 

 little specimen seen, 3 in. high; fl. March 1857. No. 2371. Along 

 streams within the fortress of Pungo Andongo, sporadic ; fl. and fr. 

 April 1857. No. 2349. By marshes near Sansamanda by the river 

 Cuanza, in company with Aponogdon leptostacliys E. Mey (Welw. Herb. 

 No. 301) ; fl. and fr. May 1857. No. 2363. 



Mossamedes. — Flowers reddish. In sandy and muddy places along 

 the banks of the river Bero, near Cavalheiros, sporadic ; fl. and f r. July 

 1859. No. 2364. Coll. Carp. 579 (part). 



' 3. NES^A Commers. ; Benth. k Hook. f. Gen. PI. i. p. 779. 



1. N. loandensis Koehne in Engl. Bot. Jahrb. iii. p. 325 (1882). 

 Ainmannia loandensis Welw. ex Hiern in Oliv. Fl. Trop. Afr. ii. 

 p. 480. 



LoANDA. — A quite glabrous, deep-green, annual herb ; stems several 

 from the crown of the rootstock, prostrate, quadrangular, of a deep 

 bloodred-purple colour ; branches opposite, very numerous, ascending ; 

 leaves opposite, lanceolate, or oval-oblong, ^ to nearly 1 in. long, j in. 

 broad in the middle, attenuate at the base into a very short petiole, 

 deep-green, subglaucescent beneath, very delicately serrulate on the 

 margin ; flowers tetramerous, crowded in little axillary cymes ; common 

 peduncle almost obsolete ; pedicels very slender, unequal, the longer 



