ECHINODORUS. ALISMACEJE (AUCT. M. MICHELI). 59 
Candoll. et Deless., Fox n. 265. Tweedie in herb. Kew), Montevideo 
(King n. 142 in herb. Kew), Parana (Tweedie), ins. S. Catharinæ (Rae, 
in herb. Kew); in Uruguay (St-Hilaire), Patagonia (D'Orbigny), prov. 
tio Grande do Sul (Gaudichaud), Montevideo (Courbon, omnes 4 in 
herb. Mus. Paris); in Paraguay ad Coaguazu (Balansa n. 571, habitu 
ad varietatem 8, pubescentia autem ad varietatem o referendus, 
n. 702 omnino glaber, in herb. Candoll.); ambo varietates rarius in 
Peruvia (Pavon in herb. Boissier); varietatis y specimen unieum ex 
Rio Grande (Tweedie in herb. Kew). 
/ 15. E. bracteatus; folis rotundato-ovatis, sinu lato cordatis, 
pellucide punctatis ; scapo paniculato, trigono, superne anguste alato; 
braeteis erectis, coriaceis, acutissimis, flores superantibus; floribus 
brevissime pedicellatis, post anthesin reflexis, 18-andris; carpellis 
stylo brevi rostratis, lateraliter glandulosis. 
olium (unum tantum vidi) amplissimum, 35 cent. longum, 25 
cent. latum (sine petiolo), coriaceum, sinu circa quartam partem 
«equante cordatum, lobis rotundatis, apice acutum (?), nervis primariis 
15 valde prominentibus, secundariis parallelibus, rete venarum irre- 
gulari, puncti pellucidi (vel lineæ brevissimze) præclari, sparsi. Petio- 
lus ignotus. Seapus folia superans, fere 2 met. altus (fid. Hayn in 
schedula), paniculatus; verticilli in quoque ramo paniculæ 12-15. 
Bracteæ coriaceæ, erectæ, lanceolatæ, acutissimæ, margine anguste 
scariosee, multi-striatæ, flores superantes. Flores majusculi, pedi- 
cello eirea 5 mill. longo, post anthesin arcte reflexo. Sepala late 
ovata, obtusa, concava, multicostata, margine scariosa, 5 mill. 
longa, post anthesin patentia; petala obovato-cuneata, duplo triplove 
longiora, albida. Stamina 18; filamenta subulato-filiformia, antheras 
Supra basim affixas superantia. Carpella (immatura) stylo brevi unci- 
nato rostrata, pluricostata, costis filiformibus apice confluentibus ; 
2landule laterales 2 - 3, 
In paludibus Isthmi Panama (duo specimina tantum prædita : 
Fendler n. 1488, Hayn n. 432, in herb. Kew). 
? 16. Ane punctatus; folia fere Ech. grandiflori var. +, minus 
coriacea, pellucide punctata. Seapus erectus, ample paniculatus, pani- 
cula copiose ramosa. Verticilli distantes, pedicellis 10-15 mill. longis, 
post anthesin erecto-patentibus; bracteæ liberæ, pedicellum vix æquan- 
tes; flores iis E. grandiflori minores. Stamina circa 25. Carpella in 
fructum echinatum, sepalis plus minusve involutum congesta, 5-7 cos- 
tata, stylo erecto, longiuscule aristata; glandulæ laterales plures. 
