RECHERCHES SUR LES GASUARINA. 101 
SYNOPSIS CASUARINARUM. 
DIVISIO I. CASUARINÆ Cylindricæ seu Cryplostome. 
Sect I. Leroprrys Bih. 
Sect. II. TrAcuypiTys Bih. 
Sect. III, Acantuoptrys Miq. 
— Ecasuarixa Miq. 
DIVISIO IT. CASUARINE Tetragonæ seu Gymnostome. 
Divisio I. Cylindricæ seu Cryptostone. 
Rami et ramuli plerumque verticillati, cylindrici, raro sub-quadrangulati, 
sulcis plus minus excavatis pilosis. Inflorescentiæ masculæ simplices. Inflo- 
rescentiæ femineæ axillares. 
Sect. I. Leropirys, — Verticilli æ-meri (partibus 7-16, rarius 6). Strobili valvæ dorso sœæpis- 
sime lœves glabræ v. villosulæ. 
S 1. — Verticilli 9-16-meri (partibus vulgo 10-12). Strobili valvæ dorso incrassatæ, longi- 
tudinaliter angulato-carinatæ. 
C. stricla Air. (C. quadrivalvis LaBizz., C. macrocarpa À. Cunx., C. cristata MiQ., C. Gunnii 
Hook. f.). — Species Australiæ orientalis extratropicæ, costis internodiorum prominulis ; 
amentis masCulis longiusculis, dentibus sæpius brevibus ; strobilis majusculis. 
C. trichodon Mio. — Species Australæ occidentalis, a €. striala imprimis amentis brevioribus 
dentibus longe setaceis distincta. 
C. glauca Sies.— Species Australiæ orientalis extratropicæ et subtropicæ, imprimis ex locis inte- 
rioribus, a C. striala internodiis obscure costatis, teretibus, amentis brevioribus, strobilis 
minoribus distincta. « 
C. montana Mig. — Species Javæ in regione montana excelsa, ramulis sulcato-striatulis, fragi- 
libus; amentis masculis terminalibus, elliptico-teretibus, obtusis ; strobilis ellipsoideis 
v. oblongis, utrinque truncatis {ex specimine Zollingerii}. 
C. Huegeliana Mio. — Species Australiæ occidentalis, C. glaucæ affinis; strobilis potins cylin- 
draceis quam globosis; valvis minus prominulis, dorso rugosulis ; cæterum ob specimina 
perpauca sæpe manca adhuc non satis nota. 
S 2. — Verticilli 6-8-meri (partibus vulgo 7). Strobili valve infra mediim dorso trans- 
versim 1ncrassGl®æ. 
C. equisetifolia ForsT. — Species tropica v. subtropica, monoica, arborea, amentis masculis 
cylindraceis continuis ; strobilis subglobosis, valvis exsertis dorso pubescentibus. 
— Var. incana (C. incana A. CuNN.) 
Forma in Australia orientali et Nova-Caledonia frequens ramis et ramulis strobilisque 
incano-tomentosis v. villosis. 
