194 CX. CASUARINEZ, 
found both the anterior and snpieriot one; bat these organs are very delicate and dii 
cult to examine in dried specim I have not therefore been able to yay it in 
sufficient number to avail myself o of it in the TE characters. From the caret 
observations of Bornet mentioned in Decaisne and Lemaout’s Traité de Botanique, 
533, it would appear that the one is almost barney in C. stricta (C. quadrivalvis 
Lai aa the two in C. torulosa 
1. CASUARINA, Linn. 
Character M distribution the same as those of the Order. 
Secr. 1. Lei .— Whorls Ste Pa orig 6-merous.  Cone-valves usually 
prominent, thicke med and keeled or angled on the back or with a short broad and 
smooth, dorsal protuberance (rugose in C. p rica a). 
Whorls usually 10- Soron i uper 9to 16). Cone-valves 
thickened Ei a Cue or keel. 
Cone-valves very p n 
Bra — usually r minent, o ribbed. Cones 1 in. dia- ^ 
more. 
Malb-apikes usually dong, Me TERUS e 
ointed. Eastern 1. C. stricta. 
long fine points. Western « specie . 9. C. trichodon. 
Branches terete. ale-spikes not pz eedin ng 1 in. 
pun about 4 in. diameter, the cones villous on the 
8. C. glauca. 
nov s very $ co mpact, th the s small and thick, scarcely : 
4. C. Huegeliana. 
WhoHs i enc 7-merous ‘ranging 6 to 8). Cone: valves 
ap 
bular, the valves pubescent on e back . 5. C. equisetifolia. 
Male- — v iform. Cones usually oblong or ` small, 
the valves glabrous. Br: ictum very slender 
Mein i in. diameter or more, usually Shion en ste, Ae 
nes not above 4 lines diameter, globular s d Ub ning aimo 
Shrubs eey ?) diccious. Con e-valves NEN pro- 
(cosa with the dorsal piene short and 
East and west species 8. C. distyla. 
Cone valves with the dorsal protuberance as long as the 5 
d rugose. Western s ice 9. C. wastes 
Secr. 2. Trachypitys.— ag helen eda merous, hie Une ves rarely 
prominent beyond the thick broad ob Sip star ' prowubertanses, ee nich. we apes we 
or divided into tubercles (nearly deem in C. Decaisneana). 
Male-spikes and Moe slender. 
Cones ie glabrous. 
Male-spikes 3 to os lines long. reete deus with the 
d ce divided into 1 large and 2 small 
tuberc PINE Gua V vr. 
Malospikes 2 to 4 lines. ‘Cone -valves with the dorsal 
vided into bi. 6 nearly ne : 
u " " LI aci. e. humilis. 
. Cones dag gs " villous.: 
Shea: A pe very short. Cone-valves = protrud- 
ond several ‘small dorsal tuberc! 
iea pia terete. Sheath-teeth = the DEC 
spikes scarcely acute. Eastern species . 2. C. torulosa. 
CUN o pd Ec ae tee te 
