PDF - University Library

More documents

Recommendations

Info

128 FIELDIANA: BOTANY, VOLUME 28 oblong-lanceolate, hyaline, about 2.8 mm. long, about 0.4 ram. wide at the base, subacute at the apex, slightly appressed-short-pilose on the back or glabrate, not bearded; staminate florets: sepals 3, separate practically to the base, narrow-lanceolate, about 2.8 mm. long, about 0.3 mm. wide at the base, attenuate to the subacute apex, sparsely pilose on the back toward the base, not bearded, not glanduliferous; petals 3, connate into a hyaline tube about 1.4 mm. .long and 0.5 mm. wide, glabrous, 3-lobed and involute at the apex, not glanduliferous; stamens 3; anthers white, oblong, about 0.2 mm. long; pistillate florets: sepals 3, separate to the base, narrowly ellipticlanceolate, about 3 mm. long, about 0.4 mm. wide, attenuate to the sharply acute apex, rather sparsely or densely pilose on the back and margins, not bearded, not gland uliferous; petals 3, connate at the middle, hyaline, narrow-ellitpic, about 2.2 mm. long and 0.5 mm. wide, acute, somewhat pilose on the back, not bearded, not glanduliferous; style short, stout, about 0.4 mm. long, glabrous; stigmas 3, about' 0.3 mm. long, densely papillose; style-appendages 3, elongate to 1 mm., glabrous, epapillose, arising from the same place as the stigmas; ovary ovate, about 0.5 mm. long, glabrous, 3-celled, 3- ovulate. Type in herb. New York Botanical Garden, collected around a small stream on dry rocky slopes, summit of Cerro Duida, Brocchinia Hills, Territorio Federal Amazonas, alt. 1700-1980 m., September 1, 1944, Julian A. Steyermark 58199. Syngonanthus venezuelensis Moldenke, sp. nov. Herba perenna pumila caulescens; caulibus usque ad 3 cm. longis gracilibus brachiatis dense foliosis procumbentibus vel adscendentibus, ad apicem plusminusve longe pilosis; foliis firmis linearibus 5-7 mm. longis non fenestratis obtusis parcioscule pilosis in statu senectute glabrescentibus; vaginis gracilibus arete adpressis ca- 7 mm. longis parce pilosulis glabrescentibus; pedunculis gracilibus solitariis ca. 1 cm. longis 2-costatis non tortis glabris. Dwarf caulescent perennial, forming dense mats; stems about 3 cm. long, slender, several-branched, densely leafy, procumbent or ascending, more or less long-pilose with soft white hairs on the younger parts; leaves firm, gray-green on both surfaces, linear except for the sheathing base, spreading or recurved, 5-7 mm. long, less than 1 mm. wide, not fenestrate, rounded at apex, rather sparsely and loosely pilosulous on both surfaces, g la bre scent in age, the hairs very short, white, appressed; sheaths slender, closely appressed to the peduncles, about 7 mm. long, subequaling the leaves, sparsely pilosulous like the leaves, glabrescent in age, obliquely split and more or less ciliolate at the apex, the blade about 2 mm. long, narrow-lanceolate, erect, blunt; peduncles slender, about 1 cm. long, glabrous (or minutely pilosulous with appressed hairs at the apex), 2-costate, not twisted, usually one per branch; heads hemispheric, about 5 mm. in diamtere; involucral bractlets stramineous, usually
BOTANICAL EXPLORATION IN VENEZUELA - I 129 darker brown in the central portion, obovate-oblanceolate, about 1.5 mm. long and 0.8 mm. wide, acute at apex, the margins at and above the widest part subhyaline, glabrous and shiny throughout; receptacle long-pilose; receptacular bractlets oblong-oblanceolate or oblong, 1.3-1.7 mm. long, 0.4-0.6 mm. wide, stramineous in a median band, hyaline-margined, often with the margins conduplicate, densely bearded at the apex on the back, otherwise glabrous; staminate florets: sepals 3, separate almost to the base, brunneous, ellipticobovate or obovate, about 1 mm. long, about 0.4 mm. wide, subacute or obtuse, glabrous throughout, not glanduliferous; petals 3, united into a slender tube about 0.8 mm. long, glabrous, the free lobes about 0.3 mm. long, involute, glabrous, not glanduliferous; stamens 3, included; pistillate florets: sepals 3, separate almost to the base, hyaline, narrowly oblong or oblanceolate, 0.8-1.3 mm. long, about 0.2 mm. wide, acute at apex, glabrous throughout, the free apical lobes quite short, hyaline, incurved, glabrous, not glanduliferous; style stramineous, about 0.5 mm. long; stigmas 3; ovary oblong, 3-celled. Type in herb. New York Botanical Garden, collected in sandy wet meadow on large mesa, Gran Sabana, between Mission of Santa Teresita de Kavanaye'n northwest to Rio Karuai, state of Bolivar, alt. 1220 m., October 26, 1944, Julian A. Steyermark 59347. Superficially this peculiar species greatly resembles some of the very dwarf matted species of Paepalanthus.
Page 2 and 3:
o 2 CM XI E> RAR.Y OF THL UNIVERSIT
Page 7:
FIELDIANA: BOTANY A Continuation of
Page 11 and 12:
NUMBER 1 LIST OF ILLUSTRATIONS TEXT
Page 13:
PAGE 67. Emmotum ptarianum 342 68.
Page 17 and 18:
CONTRIBUTIONS TO THE FLORA OF VENEZ
Page 19 and 20:
BOTANICAL EXPLORATION IN VENEZUELA
Page 21 and 22:
Page 23 and 24:
Page 25 and 26:
Page 27 and 28:
Page 29 and 30:
Page 31 and 32:
Page 33 and 34:
Page 35 and 36:
Page 37 and 38:
Page 39 and 40:
Page 41 and 42:
Page 43 and 44:
Page 45 and 46:
Page 47 and 48:
Page 49 and 50:
Page 51 and 52:
Page 53 and 54:
Page 55 and 56:
Page 57 and 58:
Page 59 and 60:
Page 61 and 62:
Page 63 and 64:
Page 65 and 66:
Page 67 and 68:
Page 69 and 70:
Page 71 and 72:
Page 73 and 74:
Page 75 and 76:
Page 77 and 78:
Page 79 and 80:
Page 81 and 82:
Page 83 and 84:
Page 85 and 86:
Page 87 and 88:
Page 89 and 90:
Page 91 and 92:
Page 93 and 94:
Page 95 and 96: BOTANICAL EXPLORATION IN VENEZUELA
Page 145: BOTANICAL EXPLORATION IN VENEZUELA
Page 163 and 164: I BOTANICAL EXPLORATION IN VENEZUEL
Page 175 and 176: [ BOTANICAL EXPLORATION IN VENEZUEL
Page 197 and 198:
Page 199 and 200:
Page 201 and 202:
Page 203 and 204:
Page 205 and 206:
Page 207 and 208:
Page 209 and 210:
Page 211 and 212:
Page 213 and 214:
Page 215 and 216:
Page 217 and 218:
Page 219 and 220:
Page 221 and 222:
Page 223 and 224:
Page 225 and 226:
Page 227 and 228:
Page 229 and 230:
Page 231 and 232:
Page 233 and 234:
Page 235 and 236:
Page 237 and 238:
Page 239 and 240:
Page 241 and 242:
Page 243 and 244:
Page 245 and 246:
Page 247 and 248:
Page 249 and 250:
Page 251 and 252:
Page 253 and 254:
Page 255 and 256:
Page 257 and 258:
Page 259 and 260:
Page 262:
Publication 667
show all

PDF - University Library

Create successful ePaper yourself

Delete template?

Save as template?