Ixxii PROCEEDINGS OF THE 



SUMMER SESSION, 1891. 



12th May, 1891. 



Professor Thomas King in the Chair. 



The Chairman reported on an Excursion made to Calder 

 Glen, Lochwinnoch, on 9th inst., and stated that 25 plants had 

 been seen in flower. Among the species obsei'ved in the glen 

 were Ranunculus Lenormandi, F. Schultz, Cardamine amara, 

 L., Prunus Avium, L., P. Padus, L., Chrysosple^iium alterni- 

 folliim, L., Adoxa Moschatellina, L., Cnicus heterophyllus, 

 Willd., Hytnenophyllum unilaterale, Bory, and Lycopodium 

 clavatum, L. 



Mr. D. A. Boyd stated that numerous Mosses and Lichens 

 had also been gathered, including Fontinalis squamofia, L., 

 Hyocommim flagellar e, Dicks, (in fruit), Parmelia physodes (L.) 

 Ach., Platysma glaucum (L.) Nyl., and Endocarpon fliiviatile 

 (DC.) Nyl. 



The remainder of the evening was devoted to the exhibition 

 of a large number of microscopic objects. 



26th May, 1891. 



Professor Thomas King in the Chair. 



Mr. Christopher Sherry reported on a visit made by the 

 Members of the Society to the Botanic Gardens on 19th inst. 

 Among the plants examined in the hothoxises and Winter Garden 

 were Protea cynaroides, an evergreen shrub, with hard dry 

 leathery leaves whose stomata present several interesting 

 features, and with a head of apetalous flowers resembling a huge 

 composite ; Callistetnon saligmis, remai'kable for its racemed 

 inflorescence, which resembles a bottle-brush ; the showy South 

 European Rock-rose (Cistus monspeliensis) ; Magnolia fusca, an 

 extremely free blooming species, the dark-brown flowers of which 

 diffuse a delicious perfume through the Winter Garden ; Cha- 

 nicerops excelsa, a Chinese Palm with a large staminiferous 

 inflorescence ; Encephalartos villosus and Ceratozamia niexi- 

 cana, two palm-like dwarf trees belonging to the Cycadaceae, 

 with undeveloped internodes, and simple trunks whose surface 

 is tessellated with the scars of the fallen leaves, the former 

 species having a large cone-like female inflorescence, and the 

 latter a somewhat similar male flower ; a group of carnivorous 

 plants, including Venus' Fly-trap (Dioncea muscipula), several 

 species of Drosera from the Cape, Pitcher-plants (Nepenthes), 



