Seaver: The Hypocreales of North America 181 



Sphaerostihle pscudotrichia Berk. & Broome, Jour. Linn. Soc. 14: 



114. 1875. 



Stroma consisting of a slender stalk with a subglobose, reddish 

 head ; conidia 3-5 X 2 mic, hyaline ; perithecia nearly globose, 

 subcespitose, usually in or surrounding the base of the stroma, 

 red, minutely rough, finally collapsing; asci clavate, very broad, 

 8-spored, 60-75 X 20-22 mic. ; spores 2-seriate or irregularly 

 crowded, large, 7-9-septate and muriform, yellowish-hyaline, 

 25-35 X 7-8 mic. (pi. 13, f. 1-2). 



On bark, wood, etc. 



Type locality: Surinam, S. America. 



Distribution : West Indies. 



Illustrations: Berk. & Curtis, Jour. Acad. Nat. Sci. Phil. 2: 

 pi. 25, f. 9. 



Specimens examined: Cuba, Murrill ij6; Jamaica, Cockerel! 

 57; Porto Rico, Heller 'jj^, 275'> S. America, ex. Herb. 

 Schxveinitz. 



Doubtful Species 



Megalonectria caespitosa Speg. Bol. Acad. Nat. Cien. Corb. 11: 



541. 1889. 



This species has been distinguished by the larger spores which 

 range from 30-45 X 10-12. The only specimen examined is 

 from the herbarium of Prof. Bessey and according to the label 

 was found on wood supporting a south Mexican orchid in the 

 greenhouse at Lincoln, Nebraska. 



14. Allantonectria Earle ; Greene, Plantae Bakerianae 2 : 



II. 1901 



Nectriella Sacc. (in part). 



Perithecia bright colored, red, occurring in cespitose clusters on 

 a stroma as in Creoncctria; asci cylindrical to clavate, 8-spored; 

 spores allantoid, simple, hyaline. 



Type species: Allantonectria Yiiccae Earle. 



Distinguished from Creonectria by the simple spores which in 



the type species are allantoid in form. 



I. Allantonectria Yuccae Earle 1. c. 



Perithecia densely cespitose in clusters of 12-20, seated on a 

 stroma ; perithecial clusters erumpent, thickly scattered or sub- 



