Oocalis] xxix. geraniace,e. 109 1 



4. OXALIS L. ; Benth. & Hook. f. Gen. PI. i. p. 276; pro parte. 



1. 0. punctata L. f. Suppl. PL p. 243 (1781). 



Var. glabrata Sond. (?) in Harv. & Sond. PI. Cap. i. p. 335 

 (1860), Oliv. (!) Fl. Trop. Afr. i. p. 295. 



Huilla. — Bulb angular, reticulate-f oveolate between the angles ; ' 

 scapes glabrous, twice as long as the leaves ; calyx-segments bicallous 

 at the apex. Abundant in sandy-earthy places among short grass, in 

 company with Isoetes and Eriocaulon, at 5000 to 5500 ft. elevation, on 

 the top ranges of Morro de Lopollo and Empalanca ; fl. Jan. and Feb. 

 1860. No. 1614. 



2. 0. semiloba Sond. in Harv. & Sond. Fl. Cap. i. p. 350 (1860) ; 

 Oliv. Fl. Trop. Afr. i. p. 296. 



Huilla. — Leaves not ciliate ; glands at the apex of the sepals very 

 conspicuous, orange-yellow, bipartite. On the shortly grassy spongy 

 wooded slopes at the left bank of the river Monino, at an elevation of 

 about 5000 ft. ; at the beginning of April 1860, not common. No. 1615. 



3. 0. corniculata L. Sp. PI. edit. 1, p. 435 (1753). 

 Var. stricta Oliv. Fl. Trop. Afr. i. p. 297. 



0. stricta L., I.e. Oxalis (sp.) Welw. Apont. p. 567 under n. 162. 

 Prince's Island. — Sporadic on the slopes of Pico de Papagaio, at an 



elevation of between 3000 and 4000 ft. ; fl. Sept. 1853. No. 1608. 



Loanda. — Bather rare, in gravelly places along the borders of fields 

 between the city of Loanda and Quicuje, fl. and fr. May 1854. No. 1609. 



Golungo Alto. — Form with the root of the young plant filiform, 

 of the older tubercular napiform perennial, and with weak spreading 

 very brittle branches. Very common, near Sange, in neglected and 

 cultivated fields, especially in plantations of Saccharum and Musa, 

 quasi-scandent ; fl. and fr. Sept. 1854 and July 1855. No. 1610. 



Huilla. — Forms with corolla twice or never twice as long as the 

 calyx, closed in full sunlight. Not uncommon, in the damp wooded 

 bushy parts of Monino and in neglected fields amidst grasses near 

 Lopollo ; fl. and fr. Jan. and April 1860. No. 1611. 



5. BIOPHYTUM DO. Prodr. i. p. 689 ; Oxalis Benth. & Hook, 

 f . Gen. PI. i. p. 276, pro parte. 



1. B. sensitivum DC. Prodr. i. p. 690. B. Umbraculum Welw. 

 Apont. p. 567 under n. 162 and p. 590, n. 87. Oxalis sensitiva L. 

 Sp. PI. edit. 1, p. 434 (1753); Oliv. Fl. Trop. Afr. i. p. 297. 



Pungo Andongo. — Differs from the ordinary form of the species 

 by shorter leaf-stalks, by solitary crowded peduncles or occasionally 

 elongate and then with pedicels shorter than the calyx, by 5-nerved 

 subulate-acuminate sepals much longer than the capsule, by opaque 

 densely muricate seeds, and by habit and thicker stem. Annual, grow- 

 ing in dense crowds ; flowers yellowish-orange or wine-yellow, at length 

 placed at the base of the petioles and very rarely congregated in a 

 pedunculate umbel. In hot wooded pastures and meadows, in dry and 

 also in moist situations, near Caghuy 6 Feb. 1857, also near Sansamanda 

 at the river Cuanza and near Condo Feb. and March 1857 ; fl. and fr. 

 abundant. No. 1612. A luxuriant form, near Sansamanda in shortly 

 grassy meadows along the banks of the Cuanza ; fl. March 1857. 

 No. 16126. In rather damp hot places near the rivulet Casalale', fr. 

 May 1857. Coll. Carp. 301. 



