PLATE XIX, 



Mus dumetosus Decne. Habit of plant, nat. size. Florida, Howe n" 

 m plate XVIII. 

 Ditto. c. Coma! filament i men in Herb. D ; (aftei decalcification (Antilles, 



sub nom. -.\,sc,i pyramidalis Lrax." sec p. jï>\-. d. dichotomy about 30. [Fig. [580 and b 

 are on plate XVIII]. 

 ; ■ 1 > 1 1 1 < ■. ./. Surface view of papillose cortex of stipes before decalcification, 83. Florida, Howe 



n". 2952 filament of stipes of same with lateral app otomously divided and 



terminated by blunt dactyline apices (= papil lae of ti; ter decalcification, 83. 



Penicillus Lamourouxü Decne. Habit of plant. nat. size. (Banc de Bahama, sub nom. -.. 

 dumetosd" in Herb. Lamouroux-, the best of the type specimens cited by Decaisni 

 [61. Ditto. Comal filament of same (calcified), ;. 

 I [62. Ditto. var. gracilis A. & E. S. Gepp. Habit of plant. nat. si/r (Key West, Florida, Howe 

 n". 14.12 b). Half the capitulum lias been cut away, and the stipes split epen to show its 

 bollowness, its thin wall, and its short penetration into the capitulum. 

 ; r ■;. Ditto. a. surface view of cortex of stipes before decalcification, 83 (Florida, Howe n". 14 



b filament of stipes of same with lateral app ni a dichotomously divided and terminated 

 by short truncate apices (compare fig. a), after decalcification. 83. 

 .. Penicillus capitatus Lamarck. Habit of plant, nat. size. (Coll. de Lamarck in Herb. .Mus. Paris; 

 labelled in 1 »E< AISNE's MS.). 

 Ditto. Portion of a comal filament of same (after decalcification), a 5; /' 1;. 

 I Ditto. forma elongata. (Banc de Bahama, sub nom. "■Nesea Penicillus var." in Herb. Lamouroux. 



i 1 > 1 1 1 < • . Comal filament of same (after decalcification), a 5 showing at base a few of the lateral 



- which contribute to the formation of the stipes-cortex) ; c. dichotomy ■ about 60. 

 b is on plate XX . 



