192 BOTANICAL GAZETTE | MARCH 
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6 
RAVENEL, H 
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EXPLANATION OF PLATE XIX. 
Calostoma lutescens. 
Fie. 1. Gross habit drawn from dried specim 
Fig. 2. Three spores showing ordinary variation in size. Obj. J. oc. 4 
Calostoma cinnabarinum. 
Fig. 3. Gross habit after disappearance of volva and exoperidium ; ‘ace 
ments of the latter (c) still remaining; a, mouth; 4, endoperidium; d, foot- 
stalk. 
Fic. 4. Specimen from which the volva has been partly removed through 
deliquescence. The exoperidium is shown splitting from the base upward. 
Fig. 5. Section through a portion of the gleba showing the rudimentary 
capillitium (a) extending inward from the wall of the spore sac (4) and form- 
ing loose strands between the lobules of fertile hyphz (the latter are not 
shown in the figure). Obj. A. oc. 4, Zeiss. 
Fic. 6. Semi-diagrammatic section through the base of a young speci- 
men; a, endoperidium extending downward to form the strands of the foot- 
stalk (4), which encloses cavities (c) and portions of the granular oe of : - 
the exoperidium at d; e, exoperidium ; f, volva. 
Fic. 7. Kudimentary capillitium showing pede thickenings (a), 
clamp connection and septum (4). 
Fre. 8. Portion of primary hypha showing the oblong cells (a) and sec- 
ondary hyphz (4), which later bear the basidia; 4 wart-like projections from 
pears: i, ag nm sa oc. heat 
Fic. 
+ ee Le a 
G. 9. Obj. J. oc 
Fig. 10. Three Stes 4, optical section rts striation of wall Ob. 
Eee & : 
