APPENDIX II. 
599 
2 — 5 (9) cm., not lying flat on water except when young and 
small, upper lobes of 1. with a broad margin and numerous 
unicellular [? rarely septate] hairs above, glochidia non-septate, 
lower })art of macrospore ivall with large deep circzdar ints. — 
Martius Fl. Bras. I. ii., t. 82 f. 7-11. — Naturalised in still 
water in S. England (to Cheshire) and Ireland. E.I. 
[.^1. caroliniana Willd. ; verj- small and weak, 1 — lA (3) cm., 
less and more laxly (pseudo-dichotomously) branched, lying 
flat on water, upper lobes of 1. with narrower margin, hairs 
bicellul ar, (//oc^M^i'a 3 — b-septate, lower jmrt of macrospore ivall 
finely evenly gra7mlate. — Martius I.e. f. 1 — 6. — No fruits have 
been seen in this countiy : probably confused with young 
states of A. Jiliculoides Lam. ? Surrey, ? Middlesex. E. ?] 
