28 



>ut. tM|iial 

 ■ sui race. 



: oiect in 



UlUlit SJlS. 



>, iiiisiiiti' 

 korgoiitly 



iiiuisliinjr 

 I mis ciiii- 

 10.1 r to l>o 

 i\n IbriiiP, 



(»t. 1872. 



tcrsistont. 

 f) times as 

 iis]>ii'ii()us. 

 soiiiotiuu's 



sew Yoi'k 



)!" tlie tips 

 (litVereiit 

 1 more on 



B from the 



ly efl'uscil, 



isually not 

 upon the 

 pciittcred, 



lot muner- 

 in k'ligth 



1 in length 

 the first 



order sliort or often mueli eU^ngated, tho othei-s usually short and 

 conipaet, tijjs strongly recurved, very ornate. Asci 1-6 or more, vari- 

 able in shape and size. Sporidia 4-0. 



On Jft'/i/'.spenuiiiii Conadanne. Not freijuent. NeAv York to 

 Towa (Ilolway). 



Kemarkahle for the variation in structure and size. In some 

 pei'ithena only one aseus is found, while in others in the same nn'ero- 

 scopica! preparation at least seven liave been seen. Tiie appendages 

 on a singh' pt'rithecium are somewhat ((inal in length but are often 

 exceedingly varialile in the division of tlie tij)S. Sonietiiiics there is 

 f»nly a single fork with two (Mpial. straight, obtuse branches and 

 again the exceedingly ornamental tij) fills the held of the microscojie 

 with its comjilex scroIl-\V(»rk. 



M. Russellii, ("lliitoii, 2Gth Rep. X. Y. State ^lus. p. 80. 



Amiihigenous. Mycelium inconspicuous. Peritheeia small, 75- 

 100 //, delicate, reticulations regulai', distinct, altout 10 /< : aiiiicnd- 

 ages 8-18, many times longer than the diameter of the pei'ithecium. 

 n(l(ire(l lor half or two tliinis of their length, occasionally sej»tate. 

 simple, bilid. or two or three times irregularly branched, bj-anchcs 

 long, ol'ten distorted, ti|)S not swollen or recurved. Asci 4-8. Sp(»- 

 ridia usually 4, small. 



On Oxalis rioI(ir<>a,iiw\ O. coriiiculata var. .stvivta. Not uncom- 

 mon east of the Mississippi ; not re])orted westward. A well charac- 

 terized sjiecies. 



M. Raveueiii, Bei'k. Grev. IV, p. IfiO. 



Am]ihigenous. Mycelium usually alamdant, ])ei'sistent. Pei-itlie- 

 cia abundant, usually large, 100-130 //, reticulations snuill and irreg- 

 ular, about 10 // ; appendages 10-20, somewhat roughened, usually 

 hyaline, occasionally colored for a distance, the color ending at an 

 a!)ruj>t line like a septum, once or twice as long as the diameter of the 

 l)erithecium, o-7 times dichotomous, branches short, forming a more or 

 less com])act head, tijjs usually acute ami recurved. Asci (5-10, fre- 

 i|uently 8, ovate, pedicellate, about 45 x 60 //. Sporidia 4—6 (Saccardo 

 says 8). 



On Axtvaguhis adsun/ciis, Lathynts palustns, Ghditsvhia triu- 

 ra/if/ios, Vfi'ia Aiiicficaiia, V. Americana var. linearis. 



Katlier conunon and very Avidely distributed. It is rei)orted 

 more often Irom the valley of the Mississippi and westward to Montana 

 and Texas. 



