Casuarina.] CX, CASUARINEJX. 195 
npe tery acutely 2- or 4-angled. Sheath-teeth 
f the pikes acuminate. Western species . 13. C. decussata. 
Sheath; teeth 1 k 5 lines long. Cone-valves not excee * 
g the single large dorsal tubercle 4. C. Decaisneana. 
Male spikes short. Branchlets short, rigid, divaricate aes 
intrica 
Branch of €— mr articles. Male spikes 2 to 3 lines 
(Cones unknown) LB C. Haul DR 
Bosinklats mostly of 1 article. Male spikes 1 to 2 lines lon ng. 
Co s with several nearly equal dorsal tubercles . 16. C. microstachya. 
Secr. 3. Aca mariire. —Cone-valves very prominent, the dorsal protuberance 
woes into a nd po poi 
Whorls 10—12-merous. et it of C. stricta. Point of Lap 
dorsal protuberance as resa as the valve . 7. C. bicuspidata. 
Whorls 4—6-merous. Branchlets short. Point of the Pa ge ; 
protuberance much longer than the 
Branchlets spreading, consisting of oca, nearly equal 
ternodes . 18. C. thuyoides. 
— erect, rigid consisting of one short basal in- à 
and one long terminal en jrit one. . 19. C. acuaria. 
Src a LzrorrTys.—Whorls (of ital sheath-teeth and 
flowers) 7- to 16-merous, rarely 6- -merous. Cone-valves usually promi- 
. nent, thickened on the back into a promi eG kee ofngle, or into a 
: short broad transverse rune smooth AC 
E due or keel.—Wi l. iv. 190; €. quadrivalvis, 
bill. Pl. Nov. Holl. ii. 67, t. 218; fin. Rev. Cas. 71, t. 9, 10, and in 
C. Prod. xvi. ii. X Hook. f. Fl. Tasm. i. jo F. Muell. "Fragm. 
vi. 18; C. macroe A. Cunn. Herb. ; Q. crista. a, Mig. Rev. Cas. 70, 
10 A; c. Piin Took. È Mae in Ned. Kruidk, Arch. iv. 100. 
N.S. Wales. Lachl d Twofold Bay, A, Cunnin 
Pone. From Wonk Vale ee pig sunk og. and Gipps’ Land, 
ue. 
Tasmania. Abundant Throng the island, excepting towards the north-west, 
J. D. Hooker —The oak of the colonists. 
S. Australia. St. Vincent's Gulf, Blandowski ; Bugle Range, Port Lincoln, Kan- 
"eller. 
The Lachlan river specimens distinguished by Miquel as two varieties 
8 of tom de vere e d sinata = pre wid all gathered iade m tree; the is 
do not appear t an are many of the Tasm mens. The 
©. Gunnii, formeni x plished by uy Mogel Pes Ress Se Es Hooker t wi a var. war: spectabilis of 
©. quadrivalvis thing but a 
02 
