Huernia.| ASCLEPIADEA (Brown). 903 
Corolla not or inconspicuously raised into a convex 
ring around the mouth of the tube, —_ 
scabrous ,.. a . (16) scabra, var. 5. 
Inner corona-lobes paid bayeiad the sihtdlahe tin 
into short or long points, connivent-erect or 
connivent with diverging or recurving tips : 
Tips of the connivent-erect inner corona-lubes 
enlarged and somewhat resembling an inverted 
foot ; corolla-lobes recurved-spreading, covered 
with stout subulate acute processes... ..- (8) Hystrix. 
Tips of the inner corona-lobes clavate (not foot-like) 
or linear and slightly thickened, obtuse, erect 
or recurving. (See also 24, #. stapelioides) : 
Stems with 20-24 vertical series of bristle- 
pointed tubercles; corolla covered on the 
inner face with obtuse terete tag a4 lh lin, 
Jong ee a sis (6) Pillansii. 
Stems acutely a a ae 
Corolla wholly campanulate, with the tube 
gradually passing into the lobes or limb, 
covered with short stiff conical or some- 
what flattened processes on the inner 
surface : 
Corolla-tube of living flowers 4 lin. long ; 
lobes about 3 lin. long and broad --» (9) loeseneriana. 
Corolla-tube of living flowers 9-103 lin. 
long ; lobes about 5 lin. long and broad (10) longituba. 
Corolla-limb saucer-shaped, lobed to half-way 
down, very abruptly or horizontally spread- 
ing from the globose-campanulate tube, 
densely covered with subulate processes 
around the mouth and in the throat of the 
tube ... bay aes cee aes .. (21) Kirkii. 
Tips of the inner corona-lobes subulate, eid 
acute or finely pointed, not at all thickened: 
Stems (excluding the teeth) somewhat obtusely 
8-9-angled ; corolla-lobes abruptly recurved- 
spreading from the tube, covered with hair- 
pointed papillz ... ie a (7) distincta. 
Stems acutely 4-5- (rarely 6-) angled Siclbioii'ta in 
4, H. decemdentata) : 
* Corolla wholly campanulate, with the tube 
gradually passing into the limb or lobes, 
sometimes slightly constricted at the 
middle, with long clavate purple hairs on 
Corolla subequall '10-toothed or the lobes 
not greatly r than the alternating 
teeth as eee cs .s ..- (4) decemdentata. 
Corolla-lobes several or many times larger than 
the alternating teeth : 
Corolla spotted with purple outside and 
with blackish-purple on a whitish or 
sulphur-yellow ground within, with 
clavate hairs only at the middle, not 
nearly extending to the base of the 
wees eg Wie ve - (1) campanulata. 
