36 VIII. AMARYLLIDES. [Xerophyta 
blue. Blooms somewhat rarely, for barren plants were often seen. 
In rather lofty thickets on the edges of woods at Monino and in 
the lofty plain of Empalanca. In fl. Feb. 1860. No. 1558. 
2. X. squarrosa Baker, J.c.; Durand & Schinz, ic. p. 272. 
Vellosia squarrosa Welw. ex Baker, J.c. 
Punco ANnponco,—A shrub, 3 to 4, more rarely 5 ft. high; stem 
4 to 6 in. in circumference at the base. Flowers bright or deep blue, 
more rarely white. Plentiful in the more lofty rocky slopes of the 
presidium, growing in thick masses. Dec. 1856. No. 1555. June 
1857. Coin. Carp. 1006. 
3. X. stenophylla Baker, /.c., p. 265; Durand & Schinz, d.c. 
Vellosia stenophylla Welw. ex Baker, é.c. 
MossaMEDES.—Leaves white papillose on the upper face. Plentiful 
and in dense clusters on sandy schists near Cazimba between Maiombo 
and Pomangala. Without fl. Oct. 1859. No. 1557. Stem of species 
of Vellosia in winter state—i.e. July and August. The stems are 
thickly crowded over wide areas, and send out at the apex a bundle 
of leaves only after the rains; very rarely flowering. Mountain 
schists, between Maiombo and Cazimba. Oct. 1859. Cou. Carr. 1007. 
4, X. velutina Baker, /.c.; Durand & Schinz, lc. 
Vellosia velutina Welw. ex Baker, J.c. 
Pungo AxponGo.—A small erect shrub 1} to 24 ft. ; flowers blue. 
Plentiful, but apparently rarely flowering, on the sandy schistose 
rocks near the bank of the river Cuanza. March 1857. No. 1556. 
IX. TACCACE ZA. 
1. TACCA Forst. ; Benth. & Hook. f. Gen. Pl. iii. p. 741. 
1. T. pinnatifida Forst. Char. Gen. Pl. p. 70 (1776), Plant. Ese, 
p. 59 (1786) ; Kunth Enum. v, p. 458; Durand & Schinz, Consp. 
Fl. Afr. v. p. 272. 
LT. Quanzensis Welw. Apont. p. 591, No. 108 (1859). 
Punco Anponco.—Leaf of a plant grown at Loanda from tubers 
collected March 1857 near Candumba on the river Cuanza. It began 
to send out leaf and flowers towards the end of October 1858. Petiole 
very pale green, densely covered with dull violet spots, and obsoletely 
furrowed, in the cultivated plant a span and a half high, with an 
amplexicaul base. Own garden Loanda, 28 Oct. 1858. Rather damp 
sandy thickets on the right of the Cuanza near Cavallo; with ripe 
fruit 29 Jan. 1857. In flower without leaf; Condo, March 1857. 
No. 6475. On the wet banks of the Cuanza near Candumba. March 
1857. Co. Carp. 1008. 
X. DIOSCOREACE@. 
1. DIOSCOREA L. ; Benth. & Hook. f. Gen. Pl. iii. p. 742. 
Leaves simple. 
1. D. Preussii Pax in Engl. Jahrb. xv. p. 147 (1893) ; Durand & 
Schinz, Consp. Fl. Afr. v. p. 275. 
Flowers slightly smaller and more hairy than in Preuss’ Kamerun 
plant but not specifically distinct. 
