118 ERYTHEA. 



Fig. 6. Cross-section of capsule of T. gracile, Hook., 

 collected at Marysville Buttes, by J. W. Blankinsliip. 



Fig. 7. Cross-section of a capsule of the " rhombic-type " 

 from specimen collected at Fresno, Calif., by Miss Eastwood. 

 The placentae lie in the acute angles. 



Fig. 8. Keplum of a 4-valved capsule of T. capparideum, 

 Greene, from specimen in Herb. Gray, collected at Byron, by 

 Mrs. Brandegee. a. Rudimentary^inner pod. 



Fig. 9. Fruiting raceme with mixed fruit, from specimen 

 collected at Tracy, by Messrs. Michener and Bioletti. a. 

 Pod of the " gracile-type." h. g. Pods of the " dubium- 

 type." d. Pod of the " rhombic-type." e. f. h. Pods with 

 3 valves, i. Pod with 4 valves ("capparideum-type.") 



Fig. 10. Repla of two successive capsules on a specimen 

 in Herb. Gray, collected at Byron, by Mrs. Brandegee. a. 

 Imperfectly 3-valved capsule, with rudiment of inner pod at 

 base. 6. Completely 4-valved capsule, also with rudiment 

 of inner capsule. 



Fig. 11. Young plant of T. capparideum, Greene, from 

 Herb. Univ. California, collected at Clayton, Calif., by J. 

 Burtt Davy. a. c. Pods with but 3 valves. 6. Pod with 4 

 valves. 



Fig. 12. Old inflorescence with repla of mixed types, 

 from specimen in Herb. Calif. Acad., collected at Tracy, by 

 Mrs. Brandegee. a. Replum of the "gracile-type." Above 

 this are two pedicels bearing broken repla. b. Repla of the 

 " dubium-type." c. d. Repla of imperfectly 3-valved cap- 

 sules, e. Replum of an imperfectly 4-valved capsule. 



Fig. 13. Pod of the " dubium-type " in which the change 

 of compression occurs near the summit, from specimen in 

 Herb. Calif. Acad., collected at Fresno by Miss Eastwood. 



Fig. 14. Pod of the " rhombic- type," unicellular and lat- 

 erally compressed throughout, collected with the last. 



Fig. 15. Replum of the " rhombic-type," from same plant 

 as the last. 



Fig. 16. Capsule of T. capparideum^ with one valve re- 

 moved, and showing within an unusually large internal cap- 



