ON THE PILOBOLIDiE. 
388 
ON THE PILOBOLIDtE, 
WITH A SYNOPSIS OF THE EUROPEAN SPECIES, AND A 
DESCRIPTION OF A NEW ONE. 
BY W. B. GROVE, B.A., 
HON. LIBRARIAN OF THIS BIRMINGHAM NATURAL HISTORY AND MICROSCOPICAL 
SOCIETY. 
(Continued from page 309.) 
3.— PILOBOLUS CRYSTALLINTJS, Tode. 
Kristall-Schiodmmchen, O. F. Muller (174), “ Kleine Scliriften,” 
p. 122, pi. 7 (1782). 
Mucor obliquus, Scopoli, “ Flor. Carn.,” ii., 494 (1772). 
Hy drop era crystallina, Weber, “ Prim. Flor. Hols.,” p. 110(1780)— 
Ehrh., “Beytr.,” iii., 122—Valil, “Flora Dan.,” vi., 1080—Roth, “FI. 
Germ.,” i., 557. 
Pilobolus crystallinus, Tode, “ Schrift. Nat. Berl. Gesell.,” v., 46, pi. 
1 (1784); “ Fung. Meek. Sel.,” i., 41 (1790)—Persoon, “ Obs. Myc.,” i., 
76, pi. 4, f. 9-11 (1796); “Syn. Meth.,” p. 117 (1801)—Schum., “ Saell..” 
11., 188 (1803)—Alb. et Schw. “ Consp.,” p. 72 (1805). Link, “ Diss.,” 
1., 32, f. 50 (1809); “Spec. PL,” vi., 95; Handbk., iii., 480 (1833)—- 
Nees, sen., “Syst.,” p. 85, f. 81 (1816)-Fries, “ Syst. Myc.,” ii., 
PLATE YI. 
DESCRIPTION OF THE FIGURES. 
Fig. 1. Pilobolus longipes : (a), basal reservoir; (b), full-grown speci¬ 
men ; (c), spores (after Yan Tieghem). 
Fig. 2. P. nanus : (a), sporange, swelling, and intercalary mycelian 
apophyses; (b), spores; (c), stylospore (after Yan Tieghem). 
Fig. 3. P. exiguus and spore (after Bainier). 
Fig. 4. P. roridus : (a), three specimens, nat. size ; ( b ), another x 25 ; 
(c), spores x 380; (d), two mycelian apophyses x 50 (after 
Yan Tieghem). 
Fig. 5. Mucor roridus : at a, two separate sporangia (after Bolton). 
Fig. 6. Fungus Virginianus (after Plukeuet). 
Fig. 7. Pilaira Cesatii: (a), three specimens, nat. size ; (b), a sporange 
after dehiscence x 90 ; (c), summit of stem after fall of 
sporange, enclosing crystalloids of mucorine of two forms 
—one a hexagonal plate : the others, octahedra x 90 ; (d), 
spores x 380 (after Van Tieghem). 
Fig. 8. P. Cesatii: formation of zygospore x 200; in d, which is 
ripe, the warted exospore, the smooth thick endospore, 
and the large central oil-drop are shown; (a, b, c after Van 
Tieghem, d after Brefeld). 
Fig. 9. P. nigrescens : (a), four specimens, nat. size; (b), a sporange 
after dehiscence x 90; (c), summit of stem after fall of 
sporange x 90 ; (d), spores x 380 (after Van Tieghem). 
Fig. 10. P. dimidiata: (a), plant with young sporange x 80; (5), 
columella x 120; (c), spores x 500 (from nature). 
