492 



Bulletin ;i 



oa:> 



branches short-blunt, rarely again verticillately branched; conidia globose, 

 soon falling. 



Hab. On barren soil and surrounding pieces of wood in Germany, 

 Belgium. England, and Sweden. Lindau, 1. c. 

 Acrostalagmus albus Preuss. var. varius n. \-ar. 



Colonies enused, tliin, subfloccose, white; vegetative h^-phae hyaline, 

 branched, septate, 2-3.5)tx; conidiophores creeping, ascending, or 



erect, branched, 15-75M high. 2-3. 5^ thick; 

 branches continuous, usually simple but occasion- 

 ally temaiely branched, verticillate, alternate 

 toward apex, slightly cur^*ed, at the simimit pro- 

 ducing a cap or head of conidia, 15-36 by 2-3 ju; 

 verticils very frequently but i, never more than 

 3; cap globose. 3-12/1; conidia hyaline, oblong, 

 variable in size, 2.S-9 by 1-4/1 mostly ^.j, by 

 1.5/i. 



Hab. Isolated from soil of plant-breeding plats, 

 Cornell University, Itliaca. X. Y., and from potato 



tuber. March, 191 1. Plant patliolog\' herbarium 

 Fig. 126. — AcrosiaJu'- xt_ _ 

 rrus aJbus Preu^ts. -^O; >92°- 

 vzr. varius. A, amid- Varies from t>~pe in the shorter conidiophores, 



Kf aXj/x 2'^'d" ^^"^^^ verticils, branches being occasionally branched, 

 B, samf enlaroed, x greater variation in size of cap of conidia and of 

 533-3; C, spor.3, x ^^^^^^ 



:>33-3 . , ... ^ - 



Ascrostalagmus cumabarmus var. nana Oud., 



Arch. Neerl. Sci. Nat. ser. 2, 7: 2S2. pi. 10, fig. i. 1902. 



Colonies orbicular, orange (Sacc. Chromot. No. 21) mixed with red; 

 vegetative h\-phae branched, septate; fertile h^■pha^ septate, with 2 or 

 3 series of opposite unicellular branches; branches terminated by 3-rayed 

 verticils, with each ray in the form of a ninepin (3 6-4 5 /i long) and serA-ing 

 C3 the support of a glomerule of conidia; conidia ellipsoidal or oblong, 

 vTanding at both ends, 5-S by ssfj^, imited by a gelatinous liquid. All 

 ;"arts of the plant are tinted w"ith excessively weak rose. 



Hab. Isolated from pvdverized htmious soil from Spanderswoud near 

 russtun, Holland, September, 1901, Koning. 



The variety differs from the t}'pe in its smaller dimensions, its unicellular, 

 c ;;posite, nonverticillate branches, which are di\-ided into 3 instead of 

 / ra^'s. Its conidia, on the contrary, are much larger (5-8 by 3-5/1 as 

 : ~:iinst 3-4 by i.5/x\ 



Spicaria silvatica Oud., Arch. Neerl. Sci. Nat. ser. 2, 7: 291. pi 30, 

 j':s. 1-4. 1902; Xederl. Kruidk. Arch. ser. 3, 2: 910. 1903. Lindau, 

 ilab. Krj-pt. Flora Abt. 8, i: 353. 1904-1907. 



