262 268 
ACROSTICHUM alcicorne. 
Elk’s horn Acrostichum. 
——- 
CRYPTOGAMIA FILICES. 
Nat. ord. Fitices. Jussieu gen. 14. Brown prod.145. Div. I. Ст. 
RATE. _(Polypodiaceee.) Capsule uniloculares, annulo articulato, elastico, 
longitudinali (plerümque. incompleto) instruciar; transversim irregularitér 
rumpentes. Brown loc. cit, 
, ,ACROSTICHUM. Sori amorphi, seu Capsule per tofam paginam 
inferiorem frondis (interdüm diverse) l. ad ejus partem pale, Involu- 
Gum aullum (nisi. equamule у. sete in quibusdam capsulis interstinctee). 
TOWN і. Co 
A. alcicorne, frondibus dichotomis nervosis apicem versüs fructificantibus: 
sterilibus circumdantibus subrotundis lobatis indivisisve basi suberoso- 
A incrassatis. Brown prod. 145. 
crostichum alcicorne. Swartz gen. 5 spec. fil. 19. Ejusd. syn. fil. 196. 
Willd. sp. pl. 5.111. Hort. ‘Kew. ed. 2. 5 Eso. ка 
Acrostichum Stemmaria. Beauvois fl. d’Oware & Benin. 2. tab. 2. 
Acrostichum bifurcatum, Cav. рға. 1801. n. 587. 
Neuroplatyceros zthiopicus nervosis foliis cornu cervinum referentibus, 
Pluk, amalth, 2. 429. f: 2. Schkurh crypt. 1. 1. 2 
Filix structure singularis. — Frondes primordiales steriles, sessiles, pla- 
niuscule, horizontales, spithamez et ultra, sep reniformes, margine rotun- 
dato s. interdim varió вао, glaberrima centro subfungoso pulvinato, mol- 
liuscule, versús margines membranacee, réticulato-venose. Radices et radi- 
cule subtàs congeste, longer, tomentoso-ferruginee. Frondes fructificantes 2 
centro priorum substipitate s. versus radicem valdé atienuate, sensim dilatate 
palmateque, plane стей interdüm 2 pedales, dichotomee laciniis ineequalibus 
digitiformibus obtusis, nervos@ nervis dichotomis elevatis prope basin in sti- 
pilem crassum terctem concurrentibus: supra glabra virides, sublüs incano- 
tomentosa, subinde glabra. Juniores omninö nato-molles, tomento ez villis 
stellatis congestis. Fructificationes versús apices frondium dorsum laciniarum 
ad partem v. totum tegentes. Capsule minutissime, ferrugineo-rufe, annulis 
nitentibus, in lineis confertissimis quasi congesta. Cum Acrosticuo biformi, 
quod Osmunpa coronaria Mullert, in quibusdam convenit; attamen et ab Шо 
et ab omnibus aliis hucüsque notis cert? diversum етй. Swartz Syn. fil. 196. 
The doctrine of Linnzus did not admit of the existence 
of any species of vegetable destitute of either stamen or 
pistil; upon the presence of these he founded his so justly 
celebrated system, an unrivalled effort of ingenuity in this 
department of natural history, and the key without which 
few would have passed the threshold of that of higher preten- 
sions. Ав however іп a very large proportion of the vege- 
table creation, these floral organs, if really present, are so 
in a form too clandestine to have yet allowed of demonstra- 
