Notes on the Blue-green Alga, etc. 427 
OSCILLATORIA—contd, G. gli EF. 
subsalsa Ag... of ae = Sen te EO Die rete ELS 7 
subtilissima Kuetz. .. sie Bi bl dine oe Sy CN Sera a 7 
subtorulosa (Bréb.) Farlow .. td NE tat ere OS eee LOT 
subuliformis (Thw.) Gom. .. i E22 OER. 7 Re alr 
tenuis Ag. ae re Soy oe 2 Oem 0 17 Thane ee) eT OD 
var. natans (Kuetz. ; Gom. as Se 2a gee 7 20 ela DOO 
var. tergestina (Kuetz.) Rab. ue Bre Rtg ble sl Me SS tee TOS 
tevebviformis Ag. = a Ak ase a8 Te Ales ho eet ean a eel 20 | 
violacea (Wallr.) Hass. sc aie A pen ts idan (ole ais PO 7k 
PHORMIDIUM. 
ambiguum Gom., te ais sa Oey LOS teartiees 2 
autumnale (Ag.) Gom. as Se He SUG. a ace LO ie ust e be 
calidum Gom. .. a ae Hs L82 Vase LOR. eo 240 
corium (Ag.) Gom. .. ae whe Se AZ 2e UO ace APRS 
cyvosbyanum Tilden .. me he Bain) ec SNS OO uae ee 
crouant Gom, .. = Be: ace Sac LN nt au LARD 
favosum (Bory) Gom., An AP “it bp LOOle ee c LOA Laat) 2a 
vars. a and b ve a Xe ESEUEANH OY pac. eg nee 
foveolarum (Mont.) Gom. be = ae (DOW et O4 bea 2 
fragile (Menegh.) Gom. ie ae Lie, LOS a Sem OO te neem ZO 
incrustatum (Neg.) Gom. .. bs wc 2 SE7OR Were OOM Sase230 
var. catavactavrum (Neg.) Gom. ... SLT ZO Aap TOONS ae ZOE 
interruptum Kuetz. .. a es scr 1 Pips ee LOZ AL a eee 
znundatum Kuetz.  .. ah es eats LP ec t-LO Osan ano 
laminosum (Ag.) Gom. me a at SOP As AOS mers ame22 5 
var. weedit Tilden .. ae 36 we ee Opes 1220 
laysanense Lemm..- .. =e He nt Sp oaeuOYe a5. DAS 
lucidum Kuetz. a6 x at ww TL Que gee at. > DAs 
luridum (Kuetz.) Gom. = ox Se PLOSHee. «OS de eae 
molle Gom., SE ¥! 43 AF SF 163) ae 
naveanum Grun. ar ag £33 i. Sete to2y See ees 
papyraceum (Ag.) Gom. = of ». Sie.) Ome 
pervsicinum (Reinke) Gom. .. be 2. ROA. 19 OAR E ee eo 
purpurascens (Kuetz.) Gom, Br 2 OP MOO: o..3 AO Gumehat 2 28 
vetzit (Ag.) Gom. me aC 2: Bis S175, ROR ier tee eae AN 
var. fasciculatum Gom. .. 2 sh} Li, fina ehOS sta eZ a 
var. vupestris (Kuetz.) Gom. ef aio. SORT Tet golen LO Ratna eae qe 
vubrum Tilden ts ae me » la rt Obit Mees 
setchelianum Gom, .. oe =i jrgy LOOLS..s DOS” Asean 5d! 
spongelie Gom. ae as 5 SC COLA. Hn a AES 
subfuscum Kuetz. ae Ee 4 eV ATS 2) aL OS bh. cnet 2A, 
var. @ fag ae te oe Sn) ESOO ae — | ee, ae 
» var. b, joannianum (Kuetz.) Gom. <2) OA a ALOO™ (7, MeZHIO 
submembranaceum (Ard. and Straff.). Gom... I80 .. 104 .. 244 
subuliforme Gom. 2 “i si Se. | SEOQs 22.0, 90 Sara ee O 
tenue (Menegh.) Gom. ye ce ToNI6O) as, OObmeree 226 
tinctovrium Kuetz. ie er ae Po LOZ te On mame mele 
toficola Gom. .. ie aN a ee iy | i 
tyeleaset Gom, .. Be sf as So) te ee POO), ss net 
umbilicatum Gom. ha sh Bi DM ETO, ee |). 3 an een 
uncinatum (Ag.) Gom. a 1% PU OAL eel OO, eee 5G 
valderianum (Delp.) Gom. .. - es LO) aes OOa Wa et eae 
7 O: 
The late Dr. H. Franklin Parsons dealt with ‘ Plant Growth and Soil 
‘Conditions ’ in his presidential address to the Croydon Natural History 
-and Scientific Society, which is printed in the Society’s Proceedings and 
Transactions, 
-Ig13 Dec. I. 
