Haynes: THE GENUS SPHAEROCARPOS 229 
eseaaensanec of OT 
PLATE 25. 
p asl = 
I. 9 plant, mature, 14. 2. 9 plant, immature, 14. 3 and 4. ¢ plants, 
X29. 5. Orifice of 9 involucre, 48. 6, 8,10, and12. Spore-tetrads, < 390. 7, 
9, 11, 13. Spicules and ridges of spore-tetrads shown in optical section, 390; 7 was 
drawn from spore shown in fig. 6; 9, from that shown in fig. 8; 11, from that shown 
in fig. 10; 13, from that shown in fig, 12. 
Figures 1 and 5 were drawn from a specimen collected by O. Beccari, near 
Florence, Italy, 9 February, 1898; 2, 3, 4, 6 and 7, from a specimen collected by E, 
cci, near Florence, Ttaly, 9 March, 1888; 8 and 9, from a specimen collected by 
A. Kneucker, between Grétzingen and Weingarten, Baden, Germany, 21 April, 1894; 
Io and 11, from a specimen ole by W. H. Burrill, Strumpshaw, E. Norfolk, 
England, Apri ee 13, from a specimen collected by A. Mori, at Pisa, 
Italy, Sainte ae | (keh, "oak Ital., ser. II, 20. r20r). 
PLATES 26 and 27. Sphaerocarpos texanus 
1. ‘plant. re 2. g plant, X29. 3. Orifice of 9 involucre, < 48. 4, 
$5: Fy On TE; i. 15s 17, and 21. Spore-tetrads, & 390. 6, 8, I0, 12, 14, 16, 18, 
20, and 22, idges oa pete shown in optical section, & 390; 6 was drawn 
from spore ao in fig. 5; 8, from that shown in fig. 7; 10, from that shown in fig, 
9; 12, from that shown in fig. 11; 14, from that shown in fig. 13; 16, from that shown 
in 15; 18, from that shown in fig. 17; 20, from that shown in fig, 19; 22, from 
that hie 3 in 2 
Figures 1, 2, 4, 9, and 10 were drawn from specimens collected by C. Wright, at 
San Marco, Texas, 1849; 3, 7, and 8, from specimens collected by M. A. Howe, 
Mill Valley, California, 4 April, 1896 (in herb. Haynes); 5 and 6, from a specimen 
collected by J. Arechavaleta, #0. 157, at Montevideo, Uruguay, August, 1876 (in 
herb. Mitten); If and 12, from a specimen collected by Welwitsch, #0. 28 [Portugal ?] 
(in herb. Mitten); 13 and 14, from a specimen collected in Tangier in the winter of 
826 (in herb. Mitten); 15 and 16, from a specimen collected by H. A. Green, 
Chester, South Carolina, 4 March, 1886 (in herb. Haynes); 17 and 18, from a speci- 
men collected by A. Braun, Durlach, Baden, March, 1834 (in herb. Mitten); 19 and 
20, from a specimen labeled S. Micheli, herb. P. V. LeRoy, Florida (in herb. New 
York Botanical Garden); 21 and 22, froma specimen collected by Gennari in Sardinia, 
April, 1889. 
PLATE 28. ae hians 
@ plant 14. 2. ¢ plant, X 29. 3- fice of 2 involucre, 48. 4, 5, 
and 6, Spore-tetrads, 390. 7. Ridges of spore- pet shown in optical section, 
X 390. 
The figures were all drawn from the type specimen, collected by C. V. Piper, zo. 
gr, Pullman, Washington, 2 July, 1894 
PLATES 29 and 30. Sphaerocarpos Donnellii 
- 9 plant, X 14. plant, < 29. 3. Spore, showing outer face and 
socials lobed hasitic ae 4. Spore, showing tubercular prominence on outer fac 
in a lateral view, X 390. 5. $ plant, showing greatly elongated necks of involucres 
on old parts of thallus, ae 48. 6, Spore-tetrad, nearly mature, > 390. 7. Ridges 
of spore and tubercular prominence shown in optical section, X 390. 8. Spore-tetrad 
beginning to separate, < 390. 9. Orifice of Q involucre, 4 
