812 xciv. ACANTHACE.E. [BlephwHs 



HuiLLA. — Flowers from whitish to slightly violet in colour. In 

 sandy thickets flooded in the rainy season, between Lopollo and Erne, 

 sparingly ; fl. beginning of April 1860. Xo. 6054. 



2. B. cuansensis Welw. ex S. Moore, I.e., p. 230, excl. var. ; 

 C. B. CI., I.e. J p. 97, excl. var. 



PuNGO Andongo. — A perennial herb ; stem procumbent, elongated,, 

 branched ; leaves coriaceous, rigid ; flowers deep yellow. In wooded 

 open rocky places close to the banks of the river Cuanza, near Mopopo, 

 etc. ; fl. 1 May 1857. No. 5101. 



3. B. leptophylla Hiern. 



B. cuanzensis, var. leptophylla S. Moore, I.e. ; C. B. CL, I.e. 



HuiLLA. — In sandy forests of Parlnari Mohola ( Welw. herb. no. 1282) 

 between Lopollo and Eme ; fl. Feb. 1860. No. 5030- Flowers deep 

 blue. In open mountainous thickets from the lake Ivantala towards 

 Quilengues ; only two specimens ; fl. end of Feb. 1860. No. 5053. A 

 perennial herb ; stems prostrate ; leaves verticillate in fours, unequal 

 in length, linear, somewhat rigid, all directed upwards ; flowers hand- 

 some, deep blue ; calyx 4-partite, two of the segments larger than the 

 lateral ones, the front one entire, the back one bifid at the apex , 

 corolla unilabiate, the lip emarginate with a ligule in the notch, the 

 throat deeply bisulcate with three elevated cartilaginous tufts, 2- to 

 3-dentate or simply emarginate behind ; stamens very slightly didyna- 

 mous ; filaments cartilaginous, the lower ones dilated and bearing an 

 anther which is obtuse at the apex and laterally stipitate, the upper 

 ones gradually narrowed with the anther adnate at the apex ; anthers 

 all appareiitly 1-celled, bearded-ciliate ; i)ollen yellow, viscid, ovoid- 

 oblong, somewhat nodulose. In hot wooded and bushy sandy places 

 betweeji Lopollo and Catumba, plentiful ; fl. March 1860. No. 5056. 



4. B. glnmacea S. Moore, I.e., p. 232 ; C. B. CL, I.e., p. 97. 

 HuiLLA.— Flowers blue. In open sterile sandy forests by the road 



between Catumba and Ohay, in company with Scabiosa Columbaria L. 

 (Welw. herb. nos. 520, 521), seen nowhere else ; fl. end of April 1860. 

 No. 5052. 



5. B. WelwitscMi S. Moore, I.e., p. 231 ; C. B. CL, I.e., p. 99. 

 HuiLLA. — A perennial suffrutescent herb ; root thick, woody ; stems 



several, prostrate ; corolla bright blue. In wooded sandy pastures 

 among short grasses in the Lopollo country, not at all plentiful and 

 observed only in the southern part of the district ; fl. May 1860. 

 No. 5031. 



6. B. linariaefolia Pers., I.e. ; C. B. CL, I.e., p. 100. 

 Acanthodium hirtum Hochst., var. B, Nees in DC. Prodr. xi. 



p. 274 (1847). 



MossAMEDES.— An annual herb, 1 to 5 in. high ; stems numerous, 

 ascending ; leaves linear ; flowers violet-blue, arranged in spiny strobili- 

 form spikes. On red sandstone rocks near Boca do Rio Bero ; the last 

 surviving specimens ; fl. end of July 1851>. Doubtfully referred here. 

 No. 5005. 



Apparently by some mistake No. 2014 is quoted by C. B. Clarke, 

 I.e., for this species; but comi>are No. 5014 under B. cUversispina, 

 post n. 9. The following Acanthacea, without No. in the study 

 set, perhaps belongs here : — 



