50 DR. W. NYLANDER AND THE REV. J. M. CROMBIE ON 
TI. The Straits Settlements. 
Family CorrEMACET. 
l. COLLEMA THYSANJEOIDES, Nyl., sp. n. Thallus plumbeus 
lobatus adnatus mediocris, siccitate obtuse plicatus; apo- 
thecia obscure rufescentia, plana (latit. circiter 0°5 millim.), 
margine thallino levi cincta; spore Sn, aciculari-fusiformes 
3-5-septate, longit. 0°040-0°065 millim., crassit. 0004—0-005 
millim.—Affine C. leucocarpo, Tayl. a quo differt apotheciis 
nudis, planis, sporis tenuioribus ete. 
On Pterocarpus indicus. Flagstaff Hill, Malacca. 
2. *CoLLEMA CONISTIZUM, Nyl., subsp. n. “Subspecies sit 
prioris, thallo sparsim isidiello-furfuraceo ; apotheciis varian- 
tibus cssio-suffusis, sporis nonnihil longioribus (usque longi- 
tudinis 0:070 millim., crassit. 0'004 millim.)." 
On Pterocarpus indicus. Flagstaff Hill, Malacca. 
3. DICHODIUM BYRSINUM (Ach.). On aged trees. Tanjong, 
Malacca; Penang and Pulo Undam. Various states. 
4. LEPTOGIUM TREMELLOIDES (Z.) On Cocoa-Palms. Near 
Evans Compound, Malacca. Fertile. : 
Var. azureum (Ach.) On old trees. Bukit Serindeh, Malacca. 
Sterile. 
5. LEPTOGIUM (SrEPHANOPHORON) CHLOROMELUM (Sw.). On 
Nutmeg-trees, Pulo Penang: fertile. Pringate, Malacca: 
sterile. 
Var. cowPACTUM, Cromb., lobis minoribus magis divisis arcte 
aggregatis, marginibus dense furfuraceo-granulatis. On mossy 
trunks. Tanjong Kling, Malacca. 
Family LICHENACEI. 
Tribe RAMALINEI. 
6. RAMALINA FARINACEA (Z.). On Cocoa-Palms. Maline, 
Malaeea. Sterile. 
Tribe Usneetr. 
7. USNEA TRIcHODEA, Ach. On trunks of trees. Government 
Hill, Penang. Sterile. 
8. *UsNEA LEUCOSPILODEA, Nyl., subsp. n. Similis priori, sed 
differt thallo (levi) sorediis albis rotundatis vix prominulis 
variegato, nonnihil robustiore, minus diviso. Sterilis modo visa. 
Near the tops of very lofty trees. Government Hill, Penang. 
