258 CrAIB—DIDISSANDRA AND ALLIED GENERA. 
Leaves not exceeding 5.5 cm. long; lateral nerves 3-5 pair (mostly 
3-4 pair). 
Podiels 1-flowered ; stolons present ; leaves lanceolate to spathu- 
ong, glabrous above, at first cinnamomeo-lanate 
on nerves below, ultimately opie ; nerves mostly obscure 
on both surfaces .4. Co oopert. 
Peduncles very rarely I- -flowered ; stolons wanting in majorit 
leaves at least I cm, long ; nerves never obscure on both surfaces, 
usually impressed above and prominent below 
Leaves glabrous on upper surface or with a few long white hairs 
more or less persisting on midrib, below densely cinnamomeo- 
arachnoid or lanate only on the nerves and glabrous or with 
only an occasional hair ee aes spaces between the nerves, 
not closely and deeply plica 
Stolons present ; leaves dE retntaks to elliptic or ovate, cuneate 
base, usually s shallowly and rather distantly crenate- 
serrate ; nerves obscure or slightly impressed above 
P : _ taliensis. 
Stolons wanting ; leaves elliptic to ovate, cuneate to cordulate 
at base, crenate ; nerves impressed above 6. cordatula. 
Leaves not glabrous on the upper § otitees or if glabrous ‘then not 
glabrous on the lower surface between the nerves or in addi- 
tion closely and deeply plicate. 
eaf margin entire or subentire. 
Leaves up to 20 mm. long and 13 mm. broad, nerves apt 
always impressed above; stolons ae ast capsule u 
to 16 mm. long shaun. 
Leaves up to 35 mm. long and 24 mm. bro: ad, nerves rarely 
pressed above; stolons wanting ; op as up to 20 
mm. long : 8. lanuginosa. 
Leaf margin variously cr cre 
—~ lanceolate to biancaskate closely regularly plicate _ 
oarsely and aoe bullate on upper surface, which i 
soon glabresc 
Leaves igh phate, peduncle glabrous or glabrescent. 
— ab ie glabrous ; corolla 1-2 cm. lon; ng : oe seo 
ong licata. 
easel glabrescent ; corolla less than 1 cm. long ; 
up tor .10. line 
in 
Leaves not lanceolate, or if approaching lanceolate then 
not glabrous above, not closely plicate or bullate 
Corolla yellow ; leaves obovate to pia keer soon 
glabrescent above unless towar . lutea. 
Conolia blue, blue and white, or white. 
Leaves persistently sericeous above. 
Corolla tube over 7 —— leaves oblong- to lanceo- 
late-ovate . <3. —- 
Corolla tube under 6 mm. long ; leaves tending t 
flabelliform, 
Corolla tube not densely barbate ae» at apex ; 
peduncle not glabrous at es 
: ; a 4. flabellata. 
