SYNOPSIS OF THE RHIZOCARPEX. 99 
9. 8. auricunaTa — Guian. ii. 969, t. 867. — S. higregs rs 
Willd. ; Raddi Fil. gs. t. 1. — S. hispida H. B. K. — 
Raddi Fil. B Bras. 1, . a — Fronds firmer in texture part in = 
natans, 0 alowed ‘deeply cordate at the base, 3 in. 
Var. 8. ie sion Klotzsch. — Fronds tightly packed, sessile, 
} in. diam., with 20-80 veinlets on a side. 
Hab. Tropical America, from Cuba to South Brazil. — Var 
"fersiana. French Guiana, erie Sagot 745! South Brazil, 
Olfers | Paragua ay, Balansa 1123! 8S. affinis Desv. in Ann. Linn 
. Par. vi, = probably belongs here 
prucE! Kuhn in Fl. Bras. i. 655, tab. 81, figs. 11-13.— 
F ronds crowded, subsessile, orbicular-cuneate, suberect, cucullate, 
t in. broad, glabrous on both sides when mature ; veins distinct, 
Sha 0 aaa anastomosing ve e. Soncnpae not clustered. 
ab. 
with a — dain of 8. Bias rs 
: 11. 8. cvcunnara Roxb. Fl. Ind. edit. Clarke 547; Wall. Cat. 
0. 399 2 tae sessile, so tightly packed on the stems that they 
rata nearly or quite erect, with inflexed borders, broader (4-$ in. 
cad) than long, broadly cuneate or cordate at the base, the 
: & row between them; papille of upper pr eae Pests minute and 
lose ; under surface nearly naked. Fruit not se 
‘ei Tanks of the Plains of India. Swan es Drummond 
RF 5. tLuLA Desv. in Ann. Linn. Soe. Par. vi. 177.— 
re ke cordate, rugoso- -pilose above, sarsoe0- -pilose 
heath ; epale Wie shaped. 
Hab. West Africa 
13. S. apnata Desy — Fronds sessile, adnate, broadly 
rag 4-5 lines long, eure - ne ae above, glabrous 
Hab. sper of East Africa. 
Exciupep SPrciEs. 
K - L&vicata Willd. Sp. Pl. v. 587, proves to be Trianea bogotensis 
+3 Regel Gartaniliars, +. 980; in Hydrocharidacee. 
2. Azouta Lam.* 
the concePtacles of two kinds, placed in the axils of the i of 
Same plant, both indehiscent, one larger, membranous, 8 ; 
* See Mettenius in ‘Linnea,’ xx. 259, figs. 2-3, and ‘ 
P. 51, tab. 25 ; Griffith's “Toone, tae niga and Strasburger’s elaborate 
‘aph, ‘Ueher Azolla,’ 86 pages 8vo, with 7 plates, Jena, 1873. oe 
