8 Director's Report for rors. 
on the steep sides of the gulch, hung down in dry festoons, while even 
patches of the comparatively semixerophitic Gleichenia linearis were with- 
ered in places. Trees showed varying degrees of resistance, species of 
Straussia apparently suffering the most. Many thanks are due to Mr. David 
Fleming for permission to camp in the valley. 
The most notable acquisition to the herbarium was a collection of 
plants named by Hillebrand, already mentioned in the Director’s Annual 
Report for 1917 
Returning in the latter part of September, 1918, after nine 
months leave of absence, the greater part of Mr. Forbes’ time was 
occupied by the routine work which had accumulated. With the aid 
of a temporary assistant the bulk of the material has been poisoned, 
and much of it mounted. A brief monograph on the Genus Lage- 
nophora was published with Occasional Papers Volume VI, Num- 
betes: 
The accessions to the herbarium for the two years are as 
follows: 
1QI7. 
Ae Sa lutchcock, Un Sos Grasses by exchance == es 104 
Geis Cooke® (alate ..2- res mcw a een en ae ee 8 
PAC? Binidiwelll o@ alates 2 eels 8 ee Sco ek Cae a 6 
Fen GraviessaUe sSa bye e@xchiain ccims ss aaa een 13 
Gee Vico kel purchases. os = es anew ee 134 
We Ws intovaostowml, ORV 5 ae I 
Breed Minerepyeinale Olean see teeters ae Oe TE Rats ele AEE ees 25 
J. M. Lydgate, Hillebrand collection purchase............ 5890 
Curator’s CorLLECTIONn 
COT anon See Peer gd Ne eee ee ae ee 316 
TIS ea alent et cE ee ee PR Se Salers Pu Renae oe 2765 
arn ailise sate eee oh ys eke ee Wee Ne Os OW eS ei oe 507 
ANU NGA Wamree Perea ones ee SUPE Pepe ne RE eR Toit te Velen er on. Be 1300 
ALOE AAD Sooo aa Ce rah Se a A She 5858 
191&. 
Miss AS BeBe judd teratolocicaliepapaiaess ee I 
suneaw OL science, Manila, exchange. 25 247 
(Ce (Op Wikoramo, einen cima IMMeyinie 33 
Ba atime lia it ae knee ew ee a ei ees ee 2 
i ES Ge Stokes. teratolosicallpapaicess =e ee I 
A. D. E. Elmer, Philippine Islands, purchase............ 1318 
JARS Wiel, BUe Shee oe eee ie Veh fs 13 
MIN Gta age ccc a Pe Ee a Ree es Eee 1615 
