726 ASCLEPIADES (Brown). [ Pachycarpus. 
base then upcurved and erect, 6-8 lin. long, linear-lanceolate or the 
basal part linear and claw-like, dilating above the bend into a flat 
lanceolate to subhastate-lanceolate blade, obtuse, cuneate at its base, 
at the very base of the claw and not rising higher than the base of 
the anthers are 2 slight contiguous fleshy keels ; staminal column 
21-3 lin, long ; anther-appendages ovate, acute, loosely inflexed over 
the concave or crater-like style-apex. Asclepias macrochila, Schlechter 
in Journ. Bot. 1895, 355. 
Katanari Recion : Orange River Colony ; Bethlehem, Richardson ! Harrismith, 
Sankey, 181! Besters Vley, near Witzies Hoek, 6200 ft., Bolus, 8115! Flanagan, 
2067 ! Mont-aux-Sources, 7800 ft., Thode, 35! 
1l. P. vexillaris (E. Meyer, Comm. 212); stem 3-1 ft. high, 
stout, simple or with 1 basal branch, hairy-pubescent ; leaves rather 
numerous ; petiole 1—4 lin. long; blade 13-3 in. long, 4-1 in. broad, 
linear-lanceolate to oblong, acute to subobtuse, cuneate at the base, 
rather coarsely and thinly hairy-pubescent on both sides, undulate, 
with scabrous-ciliate margins ; umbels lateral, sessile or pedunculate, 
2-3-flowered ; peduncles 0-4 in. long ; bract solitary, 4-7 lin. long, 
linear or linear-subulate ; pedicels }—} in. long, hairy ; sepals 5-10 
lin, long, 13-23 lin. broad, lanceolate, acuminate, hairy ; lobes of 
the globose-campanulate corolla 7-8 lin. long, 4—5} lin. broad, ovate, 
subacute, with narrowly revolute margins, glabrous on both sides, 
apparently whitish or pale greenish, stained with dull purple on the 
back; corona-lobes $ in. long, much overtopping the staminal 
column, spreading at the basal linear claw-like part, which bears 
2 erect wing-like falcate white keels 2-34 lin. long, 1}-2 lin. broad, 
with the acute tips directed outwards, beyond them the lobe becomes 
erect and dilates into a cuneate 3-lobed concave dark purple blade 
-3-5} lin. broad when flattened out, with the lateral teeth horizon- 
tally spreading or inwardly directed, varying from shortly and 
broadly deltoid to linear-deltoid, obtuse, middle tooth narrowly 
deltoid or linear-oblong, obtuse to bifid at the apex, erect or with 
the tip recurved ; staminal column 24 lin. long ; anther-appendages 
ovate, obtuse or subacute, with the tips inflexed over the emarginate 
angles of the pentagonal or shortly 5-lobed style-apex ; follicles 
solitary, erect, 34 in. long, 1 in. thick, lanceolate-fusiform, tapering 
to a stout obtuse point, with 6 broad coarsely toothed or subentire 
wings, puberulous. P. vevillatus, Steud. Nom. Bot. ed. 2, il. 245. 
Xysmalobium vewillare, Dietr. Syn. Pl. ii. 902. Asclepias vexillata, 
Schlechter in Engl. Jahrb. xxi, Beibl. 54, 9. 
Soutu Araica : without locality, Zeyher, 1162 ! : : 
Coasr Rearon : Queenstown Div.; Andries Berg, 5600 ft., Galpin, 2267! 
British Kaffraria, Cooper, 297 ! ae 
Cenrrat Reaion ; Somerset Div.; Bosch Berg, 3000 ft., MacOwan, 1687 ' 
Beaufort West Div.; Rhenoster Kop, Burke! Graaff Reinet Div. ; mountains 
near Graaff Reinet, Bolus, 229! 12132! Aliwal North Div. ; Witteberg Range, 
Per 3418! Albert Div. ; near Burghersdorp, Guthrie in Herb. Bolus, 10556 ' 
! 
