EXPLANATION OF PLATES. 529 



PLATE 141. Eriophorum vaginatum (page 358). Fig. 1. a separate flower : fig. 2. 



scale : fig. 3. achenium : fig. 4. a bristle : fig. 5. stamen : all magnified. 



142. Carex decomposita (page 379). Fig. 1. a separate flower : fig. 2. 



perigynium : fig. 3. the same cut across, showing the thickened walls : 

 fig. 4. achenium : all magnified. 



143. Carex crinita (page 389). Fig. 1. scale and stamens : fig. 2. mature 



perigynium and fertile scale : fig. 3. transverse section of the perigynium : 

 fig. 4. achenium : all magnified. 



144. Carex tentaculata (page 395). Fig. 1. staminate scale and flower : fig. 



2 perigynium and fertile scale : fig. 3. transverse section of the peri- 

 gynium : fig. 4. achenium : fig. 5. the same, cut across : all magnified. 



144 {a). Carex lanuginosa (page 400), (named C. pellita in the plate). Fig. 



1. staminate flower and scale : fig. 2. perigynium and fertile scale : 

 fig. 3. transverse section of the perigynium : fig. 4. achenium. 



145. Carex Careyana (page 409). Fig. 1. scale from a fertile spike : fig. 2. 



the same, with the perigynium : fig. 3. achenium. 



146. Panicum (Digitaria) sanguinale (page 423). Fig. 1. a pair of spikelets : 



fig. 2. separate spikelet, showing the upper glume : fig. 3. perfect flower. 

 Panicum xanthophysum (page 42?i). Fig. 1. a spikelet, front view : fig. 



2. the same, back view : fig . 3. perfect flower : fig. 4. the same, with 

 the paleae removed. 



147. Panicum (Digitaria) filiforme (page 424). Fig. 1. a pair of spikelets : 



fig. 2. upper glume and neuter flower. 

 Carex subulata (page 39t). Fig. 1 . perigynium and fertile scale : fig. 2. 

 the reflexed teeth of the orifice of the perigynium : fig. 3. transverse 

 section of the perigynium and achenium : fig. 4. fertile scale : fig. 5. 

 achenium : all magnified. 



148. Panicum agrostoides (page 429). Fig. 1. a spikelet : fig. 2. neuter 



flower : fig. 3. perfect flower : fig. 4. transverse section of the same : 

 all magnified. 



149. Aristida dichotoma (page 434), and magnified spikelets. 



150. Calamagrostis Canadensis (page 444). Fig. 1. a spikelet : fig. 2. the 



same with the glumes removed : fig. 3. pistil : all magnified. 

 Kceleria truncata (page 469). Fig. 1. a spikelet : fig. 2. a single flower : 

 both magnified. 



151. Calamagrostis coarctata (page 444). Fig. 1. a spikelet : fig. 2. the same, 



with the glumes removed : fig. 3. rudimentary flower : all magnified. 



152. Calamagrostis inexpansa (page 445). Fig. 1. a spikelet : fig. 2. the 



same, with the glumes removed : fig. 3. rudimentary flower. 



153. Spartina cynosuroides (page 448). Fig. 1. spikelet : fig. 2. lower palea, 



showing the slightly 2-cleft summit : fig. 3. flower, with the glumes and 

 palea? removed : fig. 4. pistil : fig. 5. spikelet of S. juncea. 



[Flora — Vol. 2.] 67 



