De ee ae Sa ee a ee 
PiLatTE 1924, 
A.—PIARANTHUS GRIVANUS, N. EL. Br. 
B.—PIARANTHUS COMPTUS, N. #. Br. 
ASCLEPIADACESZ. Tribe SraPeLiez. 
A.—P. grivanus, N. H. Br. (n. sp.); ramis 1-2 poll. longis, tuber- 
culato-angulatis, tuberculis subspinosis ; pedicellis brevissimis ; corolla 
1 poll. diam., tubo brevissimo, lobis deltoideo-ovatis patentibus, glabris, 
atropurpureis ; lobis coronz ovatis acutis, postice tuberculo parvo 
_ instructis, fusco-purpureis. 
Has. Griva, Griqualand West, Mr. Arnot, Barkly (No. 11). 
_ being compiled from a drawing and description sent by Sir H. Barkly. 
a appears to be a very distinct and remarkable species.—N. LE. 
ROWN. 
_ _A—P. crivaxus. Fig. 1. Back view of flower. 2. Corona. 3. Pollinia. 
_ Figures 2 and 3 enlarged. 
___B.—P. comptus, N. B. Br. (n. sp.) ; ramis brevibus, obesis, cxespitosis, 
obtuse tetragonis, dentatis, glabris ; pedicellis 3-6 lin. longis, glabris ; 
6 tin : 
4 
4 Ly 4 
I have only seen a flower of this plant, the rest of the description 
| A 
{ 
: 
4 
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corolla subrotata, 8-9 lin. diam., intus pubescente, albida, fusco- 
purpurea maculata; segmentis corone arcte incumbentibus, apice 
_ acutis, obtusis, vel denticulatis, prope basin crista quadrata hori- 
_ Zontaliter patente postice denticulatis, luteis, faseopurpareo punctatis. 
: 
: 
{ 7] ae Karoo, at Groote Fontein, Mr. Dickson, Barkly (Nos. 58 and 
Stems densely cespitose, short, stout, obtusely 4-angled, usually 
