504 ANNALS OF THE ROYAL BOTANIC.GARDEN, CALCUTTA. 
DESCRIPTION OF PLATE I. 
( AJ figures enlarged 6 diam, ) 
Fic. 1.—( This and the following 8 figures represent analyses of C. erectus.) Portion of a 
male -spikelet with asymmetrically infundibuliform spathels ( Æ) and cupular involueres (5); these 
inserted inside their own spathel at the base of the one above. 
Fic. 2.—Portion of a male spikelet cut longitudinally, the involueres (b) are half immersed 
in the spathels ( k); in the upper part is the calyx (d) of two flowers still attached to their 
involucre, 
Fic. 3.—Outline of fig. 2 showing the relative position of spathels (k) and involure (6); 
the dotted line completes that portion of the margin of the spathel not seen in fig. 2 
Fic, 4.—An entire male flower (full-grown bud) with calyx and corolla. 
Fic, 5.—The corolla alone, from a male flower. 
Fic. 6.—Petal of a male flower with 3 stamens and the abortive ovarium (n) standing up. 
in their midst. 
Fie. 7.—A detached stamen from an unexpanded flower. 
Fie. 8.—Portion of a female spikelet stripped of its flowers and showing the cupular involucre 
(b) which has two superficial teeth ( separated by a slightly excavate sinus) on the outer ro 
namely on that corresponding to tbe areola of the neuter flower (c); with its scar (A H ; 
two teeth of the involucre correspond to the horns of the lunate areola. 
Fic. 9.—Longitudinal section of a portion of a female spikelet; it shows the relative position 
of the spathel (Æ), of the involucrophorum (a) and of the involucre (b). 
= Fie. l0.—Portion of a female spikelet of C. Flagellum before the expansion of the flowers. 
At the mouth of the upper spathel (4) is a female flower (de) accompanied by its neuter flower 
(f): the female flower is enveloped at its base by the involucre (5), and more externally by 
the involucrophorum (a); the lower female flower is without its companion or neuter flower 
which was attached. in (/) on the lunate areola (e). 
Fic. 11.—Portion of a female spikelet of C. Scipionum stripped of its flowers; the involu- 
erophora (a) are short, subeupuliform, attached almost outside their own spathel (k) at the base- 
of the one above; the involucre (5) is shallow and subdiscoid, slightly bidentate and excavate on 
the outer margin; the areola of the neuter flower (¢) is depressedly lunate with a very 
distinct scar (4) where was inserted the neuter flower. 
Fic. 12.—Longitudinal section of the above showing the relative position of the involucrophora 
(a), involuore (4) and spathels ( & ). 
DESCRIPTION OF PLATE II. 
( Fig. 1 enlarged about 2 diam., all the others 6 diam.) 
Fic. 1.—Portion of a spikelet of OC. wunifarius var. Pentong. The involucrophorum (a) is 
inserted laterally on the spathel above its own and just outside the mouth of this (k): it is. 
pedicelliform with a small limb, and is furnished at its base with a very conspicuous axillary 
allus (+) and a distinct transversal ( apparently nectariflous) rima; the involucre (4) is almots. 
