Schizoglossum. | ASCLEPIADEE (Brown). 593 
Corolla-lobes 2$-4 lin. long; leaves 1-9 lin. 
broad : 
Corolla white, yellew or greenish-yellow : 
Corona-lobes ovate-oblong, subtruncate to 
2-3-toothed at the apex, without keels, (10) elingue. 
Corona-lobes stalked and with a deltoid. 
hastate or rhomboid-lanceolate blade, or 
sessile and linear-lanceolate, 2-keeled on 
the inner face... Ae i .. (11) flavum. 
Corolla dark purple-brown ; corona-lobes taper- 
ing from an ovate base to a subulate 
acute or minutely bifid erect point, 2- 
keeled on the inner face ... aes ... (12) stenoglossum. 
Corolla-lobes 1-24 lin. long; leaves 4-2 lin. 
broad : 
Corona-lobes ovate or stalked and subcordate- 
ovate, tapering or abruptly narrowed into 
a subulate-filiform point : ; 
Stem solitary and usually simple; leaves 
shorter than or less than twice as long 
as the $44 in. long internodes : 
Leaves glabrous; corona-lobes with the 
point very abruptly inflexed on the 
staminal column and 2 basal teeth on 
the inner face ... ies ue ... (21) linifolium. 
Leaves scaberulous ; corona-lobes with the 
point incurved much above the sta- 
minal column and without basal teeth 
on the inner face es + wee (78) parvulum, 
Stem branched at the base ; leaves 2-6 times 
as long as the }~3 in. long internodes... (23) aciculare. 
Corona-lobes 3-toothed at the top; middle 
tooth usually much longer than the small 
obtuse side teeth ... ies oss ... (22) aschersonianum. 
** Umbels all sessile, forming fascicles of 2 to many 
pedicellate flowers, or sometimes 1 or more of the 
lowest are pedunculate in 39, S. ciliatum; 66, 
8. Bolusit ; 78, S. parvulum, and 80, 8. virgatum 
(see also 14, S. pachyglossum) ; usually several to 
astem and lateral at the nodes, racemosely ar- 
ranged, or occasionally 1-2 and terminal in 42, 8. 
pilosum ; 48, 3. pulchellum, and 60, S. restioides : 
Corolla with a very distinct cup-shaped or cam- 
panulate tube 3-14 lin. long ; lobes puberu- 
lous on the inner face, at least at the base: 
Corona-lobes subquadrate with angular 
shoulders and a long subulate point behind 
the appendage ae eae ... (47) tubulosum. 
Corona-lobes elliptic or ovate, obtuse, forming a 
mere rim behind the base of the appendage (48) Schlechteri. 
Corolla lobed nearly to the base; no very distinct 
cup-shaped tube, perhaps most evident and 
about $ lin. long in 56, 8. bifforum: 
Corolla-lobes 5-6 lin. long ; corona-lobes cross- 
shaped, 23-3 lin, broad across the extended 
arms .., on 5 . .-» (46) Davyi. 
Corolla-lobes 1-4 lin, long ; corona-lobes never 
cross-shaped, }-1} lin. broad : 
VOL, 1V.—SECT, I.—PART. IV. Qq 
