NOTICES OF NORTH AMERICAN FUNOI. 99 



1268. On Zea. No. 1443. On pine. No. 1299. On Amaran- 

 thus alba. Kingston. Canada. 



612. Fusarium anomalum. B. & C. — Erumpens carueum ; sporis 

 inarticulatis arcuatis utriuque subito contractis. 



On Gleditschia. New England. Sprague. No. 5305. 



Bursting tbrongh chinks in the cuticle, flesh-coloured ; my- 

 celium cellular ; component threads stout, branched ; spores 

 arcuate, contracted suddenly at either end, •0015--001 long. 



* Fusazium Bexkelei. 3/o«f.— On Hibiscus syriacus. Car. Inf. 

 No. 2114. On Fig. Car Inf. Ravenel. No. 1579. On Cornus. 

 Alabama, Peters. 



613. Fusarium sticticum. B. d: C—Punctiforme pallidum ; sporis 

 rectis arcuatisque, 3-4 septatis. 



On peach twigs. Car. Inf. No. 4978. 



Very small, punctiform, so as to look like mere dots to the naked 

 eye, pallid ; spores straight or arcuate, the joints sometimes con- 

 stricted, '001 or more long. 



* Fusarium aurantiacum. Cd. — On Acacia julibrissin. Car. Inf. 

 No. 2807. On Gourds. No. 1394. 



614. Fusarium arcuatum. 5.^5' C. -Car neum circinans ; sporis 

 arcuatis triseptatis utrinque abrupte incurvatis. 



On bark of Pyrus malus. Car. Inf. Curtis. No. 2638. 



Bursting through the bark several together, leaving a vacant 

 space in the middle ; spores elongated, arcuate, triseptate, abruptly 

 curved at either extremity. 



615. Fusarium pallens. B. <t C— Minutum pallide carneum, 

 sporis apicalibus, arcuatis triseptatis. 



On the efflorescence of Juncus. Car. Inf. No. 3799. 



Pale rose-cohiured, irregular, composed of short threads, which 

 sometimes have a constriction above, on which are seated the 

 arcuate triseptate spores, about -003 long ; sometimes they are de- 

 veloped at once upon the tips of the threads. 



616. Myrothecium convexum. B. Sf C— Receptaculis papillae- 

 formibus ; sporis breviter fusiformibus. 



On decaying gra])es. Pennsylvania, Michener. No. 3835. 



Receptacles papilljeform, soon casting off the white outer cover- 

 ing ; spores -0003 long, shortly fusiform, about half as much broad 

 as long. In the last species they are much narrower. 



* Myrothecium roridum. Tode. — On leaves and inflorescence of 

 Syringa. Car. Inf. No. 1357, 2794. On glumes of Eleusine 

 Indica. No. 2232. New England, Murray. No. 5681. 



* Myrothecium verrucaria. D'dtm.— OvL rotten leaves. Penn- 

 sylvania, Michener. No. 4123. On grass. Alabama, Beaumont. 

 No. 4622. On seeds of water melon. Car. Inf. No. 5032. 



The spores vary from •00025--0003. 



