186 Botany. 



ALLIANCE IX. PANDANALES. 



N.O. 1. TYPHACE&. 



(438) TYPHA, L. Monoecious wind-pollinated flowers. 



1556. T. latifolia, L. (GREATER REEDMACE), 6 7, P. Aquatic ; 



not common in the district. 



1. In the Ravensbourne. near Southend, '04. W.H.G. 

 a. Marsh ditches, Woolwich, 1877. 



var. b.) media, Syme. 



1. In the Ravensbourne, between foot of Bromley Hill 

 and Ravensbourne Railway Station, '02. W.H.G. 



1557. T. angustifolia, L. (LESSER REEDMACE), 6 7, P. Rather 



common. 



1. Marshes between Crossness and Abbey Wood. Dod. 



2. Stone Marshes ; Isle of Grain. M. 



3. Marshes near Shornemead Fort. Dod. 



a. In the middle of Woolwich Common, 1787. 



N.O. 2. SPARGANIACE& (under TYPHACE&, B. & #.). 



(439) SPARGANIUM, L. (BUR-REED). Monoecious, protogy- 



nous wind flowers. 



1558. S. erectum, L. (RAMOSUM, Huds.), 6 7, P. Ponds, ditches, 



etc. ; very common. 



1. In the Ravensbourne and tributary ditches off foot of 

 Bromley Hill, '05. W.H.G. 



1559. S. neglectum, Beeby. 6 8, P. Wet places ; locally common. 



1. Wood near Northumberland Heath. Dod. 



1560. S. simplex, Huds. 6 8, P. Ditches ; scarce. 



1. Stone Marshes, '02. W.H.G. 



2. Keston ; much diminished since '03. Sc. '97. 



FLOWERING PLANTS. 



DIVISION B. GYMNOSPERMS. 

 Class 1.CYCADALES. 



Cycas revoluta, Thunb., is in the Winter Gardens at Avery 

 Hill. 



Ginkgo biloba, L. (GINKGOALES, Engler),v ( the r L MAiDEN-HAiR 

 TREE of China ; Greenwich Park and Avery Hill. 



