1 '"■ FLORA OF NEBRASK \. 



Chara crassicaulis Schleich. Cat. PI. Helv. L82t 



Chara foetida crassicaulis A. Bb. Amu. Set Nat. Boi I II 



Gener alhabit of plant intermediate between ( foetid h 



and branches strongly coated with lime and from i-2 mm tfa 

 ces double the nnmber of the leaves and t. ,ngly developed; p, ■ 



cells more or less prominenl than the se, lary, usually about equally 



developed; stipular whorl double; stipules usually short and bluni as ... 

 L.contraria; Leaves in whorls of 6 LO, usually 8-9, I 3 colled with 1 5 

 corticated nodes, the naked cells usually long, end-cell bluntish; ... 

 cious. 1 4 fertile joints; antherids larg, in d iam.; carpo 



intermediate between C contraria and - ,,.. black oi 



dark brown, 540-630 « Long, aboul 375 wide; bracts once to twice a, long 

 ascarpogone. 



Form subineemis m ^cbopha LLA.-Spines only slightly developed; bracts as L, 



twice as long as the fruit: leaves usually Long. 

 Form subhispida macbophylla longibbacteata. Spines .5 2mm. or more 



leaves usually Ion- bracts Long ami broad, 3 5 times as long as fruil 

 The forms, especially th,. Last, more common than the type; usually growing 



together. 

 Pine Ridge (type and forms mixed), Haigler (form 2 

 PI. XXXIII. (form 2) Fig. 1, part of plant natural size; Pig. 2, part of stem 



showing stip, ilar whorL bases of Leaves, and2 fertile nodes of i 



3, carpogone with spores; Pigs. 1 :.. cross section ol stem, 5, a, b, spines 



growing from primary cortex cells. x50. 



Chara evoluta Allen Bui ? Torr. Bot. Club L882, p. :. pi. L9. 



Plants short, 10-15 cm. long, much branched, not coated with lime; leaves 6 1-' 

 in a whorl, whorls numerous, I 5 corticated nodes and two shorl naked 

 nodes; end-cell acuminate, corticating cells aboul the same numb 

 leaves, secondary cells more or le^s Intermixed; stipular whorl double; 

 stipules long; spines long, numerous, mostly in fascicles of 2 

 cious, 3-4 fertile nodes on each leaf; antherids 270 386 in .Inn. ;. 

 gones 810x540 /*; crown not as high a. broad, only slightly or uot at : ,11 

 contracted at the base; spore dark brown or black, 612-630x31 ;-• .with 

 about two more or less distinct striae. 



In a lake, Sheridan county, Smith & Pound No 261. 



This plant appears to be intermediate between C contraria and O.crinita It 

 is almost exactly like the latter species excepl that ( \ .-, .,,,;., is dioecious 



PI. XXXIV., Pig. 1. pari of plant natural size; Pig. -'.put of stem showing b i 

 of leaves of a whorl with one entire leaf and stipular whorl; 2, a, b, c, 

 spines; Figs. 3, 4, 5, cross-sections of stem; Pig. 6, spore pore 



xlOO. 



Chara fragilis Desv. in Loiseleur Not. I'l. Pr. 157. i>i". 



Plants long and slender, rather rigid; stems evenly corticated, corb 



times as many as leaves in whorl nexl above; stipular ring double, stipules 

 very short ; leaves Ion-- ami pointed, ■< 8 corticated segments and one or 

 two short, naked segments at the end; end-cell pointed; 6 D leaves in a 



whorl, whorls either close or remote; mo cious; '■'• I fertile joint* 



each leaf; antherids 270 '■'<<< ' u in diam les long and narrow; 



crown 180 200 /i high, as broad as high; spore dark brown, nearly black 



