I 



884 



short, conical, hliR'k ostiola cniiupciit. Asci oltloiig-chivutp, uttcnimtfMl 



below, 4-S-si»or('(l. Sjtoridiii oltliniicly uiiisoriiitc, t'lliplic-iiaviculiir. 



uiiisejttsjtc, not constricted, brown. Stylosporcs in larger jicritliccia. 



On dead branches offi-rape vines, Saujrerties, N. Y. (IV'ck). 



D. polysticta. (B. & ( .) 



Spli<rria fiohs/ic/a, n. & C. Cirev. IV, p. 149. 

 Diilymoiplueriu polyslicia, Sncc. Syll. 2670, 

 Pidymospharella polyslictu, Cke. Syn. 466H. 



'• I'ei'itheciu scarcely raisinjr the cuticle, visible chiefly from the 

 black, (k)t-like ostiola. Asci linear. Sjioridia ol»lon<r, nniseplate. 

 71 .\ 3-3 J ,«.'' 



On stems of Sfiii/ax, Alabama (Henumont). 



. D. Vizeiina, (Cke.) 



Splurria I 'inutmi , Cke. Crev. VII, p. I3. 

 Diiiymosplitrria f'heana, Sncc. SyU. 2651. 

 DidyntosplurnUa I hfami, Cke. Syn. 4662. 



Perithecia grcju^arions or scattered, abont 200 /z diam., covered i»y 

 the blackened epidermis, iinally collapsinjr. Asci olilonjr. sessile. 

 (tO-TT) X l><-20 //, (paraphysate)? Sporidia liiseriate, oblonf^-elliptical. 

 subine*|nilateral, yellowish. uni.><eptate, lS-22 .\ 7-10 fi. 



On dead stems of Lathyrus iwnoxiin, Sacramento, Cal. (Ilarkne.-is). 



I), adelphica, (Cke.) 



Sp/iiciia ade/p/iica, Cke. drtv. VII. p. 42. 

 Dit/yniDsp/itriiii mli/p/ii'ia, Sacc. Syll. 2().S2. 

 Didymosphinelhi adilpliicii, Cke. Syn. 4663. 



This is an inisatisractoi-y and doulttlul thinji'. The brief de.scrij»- 

 tion in (Ji-cvillea docs not enable one to recoiinize it. The spec, in our 

 herb, is only a stylosporons fnnjrns {DipJodln), jioorly develope(l. 



PLKOSPOKA, Kaltli. 



in Herb. Mycol. Ed. 11, No. 547, 



Stroma none. r<'rithe<'ia at first covered, finally more or le.«s 

 |>erfectly ernmpent. mostly membramiceons, seldom of firmer texture, 

 Ithu'k. Asci j mostly oldonu' or clavate-cylindrical, 8-spored. parajthy- 

 sate. Spf)ri(Iia oblonjf, ovate or clavate-fusoid, with i)oth transverse 

 and longitudinal septa (nmriform), generally colored (yellow or yellow- 

 brown). 



This interesting but difficult genus has been elaborately de.sei-ibed 

 and lieautifully illustrated by Dr. A. N. Herlese. in his valuable mono- 

 graph of Pteosponf A'c. in Nuovo (Jiorn. Hot. Ital. Vol. XX, Nos. 1 

 and 2. 



